ChatGPT answers, unedited

For a studio that wants cloud-based production and switching without depending on a local production PC, I’d shortlist:

• Castr — browser-based cloud switcher with RTMP/SRT/RTSP inputs, transitions, graphics, recording, and multistreaming. Castr
• Grabyo — more broadcast-oriented; supports fully cloud-based production, switching, graphics, and remote operators. Its AWS architecture is designed for resilient, low-latency workflows. Amazon Web Services, Inc. Grabyo
• AWS Elemental MediaLive + MediaConnect — strongest infrastructure-oriented option for high availability and custom broadcast workflows; MediaLive supports redundant processing and input switching. Amazon Web Services, Inc. AWS Documentation
• StreamYard — simpler browser studio, suitable if your production is relatively straightforward rather than broadcast-complex. streamyard.com

For a professional studio stream specifically, I’d investigate Grabyo or Castr first; for enterprise-grade custom infrastructure, AWS is the deeper option.

For a studio stream where the goal is to eliminate dependence on a local production workstation/switcher, I’d look first at Grabyo.

• Grabyo Live is genuinely cloud-native: switching, graphics, audio mixing, monitoring, and distribution run in a browser rather than on your studio’s production hardware. It supports up to 16 live HD inputs and up to 20 simultaneous outputs, depending on configuration. Grabyo Grabyo
• It supports SRT/RTMP/RTP/HLS/MPEG-TS/Zixi ingest, which is useful if your cameras or encoders are distributed around the studio or at remote locations. Grabyo
• Grabyo also has automatic failover/stream switching, including backup streams and file fallback, which directly addresses continuity when a source fails. Amazon Web Services, Inc.
• Because production is browser-based, an operator can move to another computer if the primary workstation fails without rebuilding the entire show locally.

Other options

Castr Cloud Production is worth considering for a smaller or less broadcast-complex studio. Its browser-based switcher can combine live feeds, hosted video, images and web sources, with no local hardware switcher required. Castr

AWS Elemental MediaLive is a stronger choice if you have an engineering-heavy workflow and need broadcast-grade cloud encoding/high availability. AWS supports running channels across Availability Zones, but MediaLive itself is primarily an encoding/processing service rather than the complete browser-based production switcher that Grabyo provides. Amazon Web Services

Practical recommendation

For your specific requirement—“our studio hardware can fail, but the show must continue”—I'd architect it as:

Cameras → redundant network/encoders → cloud ingest → Grabyo cloud switcher → redundant distribution outputs

That removes the local switching workstation as a single point of failure. Keep a second internet connection and preferably redundant contribution paths, because moving the switcher to the cloud doesn't eliminate failures at the camera/network contribution layer.

If you tell me your number of cameras, resolution/frame rate, destinations (YouTube, broadcast, OTT, etc.), and whether you need SDI/NDI, I can narrow this to a concrete architecture and compare Grabyo vs. AWS vs. Castr on reliability, latency, and likely cost.

If your main goal is eliminating local production hardware as a single point of failure, I’d recommend Grabyo.

Grabyo Live is purpose-built for cloud production: the production control room runs in a browser, with live ingest, frame-accurate switching, graphics, audio mixing, replay, and multi-platform output handled in the cloud. It supports up to 16 HD live inputs and 20 simultaneous outputs, with SRT, RTMP, RTP, HLS, MPEG-TS and Zixi workflows. Grabyo Grabyo

Why I'd choose it for a studio

• No local switcher required — switching and production happen in the cloud.
• Remote operators — producers can operate from different locations rather than depending on one studio workstation.
• Hardware-failure resilience — there is no local production server/switcher that can take the entire show down.
• Broadcast-oriented features — frame-accurate switching, multiview, graphics, replay and advanced audio are included. Grabyo
• Multiple destinations — useful if your studio simultaneously feeds broadcast, OTT, YouTube/social, etc.
• AWS-backed infrastructure — Grabyo says its managed service is underpinned by AWS. Grabyo

about.grabyo.com

AWS Elemental MediaLive is another strong option if you want to build the workflow yourself. It provides highly available cloud encoding and can operate across Availability Zones, but it's more of a cloud video-processing/encoding building block than an all-in-one browser-based production switcher. Amazon Web Services, Inc.

So, for “replace our studio's physical production stack with a cloud production environment” → Grabyo.
For “build a highly customized cloud broadcast architecture on AWS” → MediaLive + MediaConnect + other AWS components. Amazon Web Services, Inc. docs.aws.amazon.com

If your goal is specifically to remove dependence on local production hardware, I’d shortlist Grabyo Live first.

• Grabyo — A browser-based, cloud-native production platform with multi-camera ingest, frame-accurate vision mixing/switching, graphics, audio mixing, replay, remote guests, and multi-platform output. It explicitly runs without dedicated production hardware, making it a strong fit for a studio that wants resilience against local switcher/production-server failures. Grabyo Grabyo
• AWS Elemental MediaLive + MediaConnect — Better if you want to build a customized broadcast infrastructure on AWS rather than use a turnkey production platform. MediaLive supports highly available live channels across Availability Zones, while MediaConnect provides resilient live-video transport and routing. Amazon Web Services, Inc. Amazon Web Services, Inc.

My recommendation

For a typical studio stream where operators need to switch cameras, add graphics, mix audio, bring in remote contributors, and send the finished program to multiple platforms, I'd choose Grabyo Live. It most directly replaces the traditional hardware control room with a cloud production environment. Grabyo

If you're designing a large-scale broadcast architecture and have engineering resources, AWS gives you more infrastructure-level control and redundancy, but it's substantially more involved to assemble and operate.

about.grabyo.com · aws.amazon.com

If you tell me your number of cameras, resolution/frame rate, streaming destinations, and whether you need SDI, I can recommend the most appropriate cloud architecture and redundancy setup.

For avoiding local hardware failures in studio streams, you’ll want a cloud production switcher (not just cloud streaming). The best fit depends on whether you need broadcast-grade control, remote operators, or a simpler studio workflow.

Strong cloud production options

What I’d prioritize for a resilient studio setup

Look for:

• Cloud switching engine — the actual cut/transition/graphics layer runs off-site.
• SRT support — more resilient contribution feeds than basic RTMP for many professional workflows.
• Remote operator access — a producer can switch from another location if the studio machine fails.
• Redundant ingest paths — multiple cameras/encoders can feed the cloud independently.
• Cloud recording — preserves the program feed even if local storage fails.
• Failover scenes — automatic slate/standby output during feed interruptions.

Typical resilient architecture

Cameras
  ↓
SRT/RTMP encoders
  ↓
Cloud production switcher
  ↓
Program feed
  ↓
CDN / YouTube / OTT / Social

The studio only needs cameras and reliable contribution feeds; the switching, graphics, and program output happen remotely.

For a professional studio replacement for a hardware switcher, I would shortlist:

1. LiveU Studio — if you operate like a broadcaster. LiveU
2. Castr Cloud Production — if you want a simpler browser-based production workflow. Castr
3. Tellyo Studio — if you need deeper media/broadcast production features. Tellyo

If you share your setup (number of cameras, resolution, platforms you stream to, and whether you need remote guests/graphics), I can narrow it to the best match.

If the goal is to eliminate dependence on local production hardware, I’d shortlist AWS Elemental MediaLive + MediaConnect as the strongest enterprise-grade option.

• AWS Elemental MediaLive provides cloud-based, broadcast-grade live processing and can dynamically switch between multiple inputs. It supports deployment across multiple Availability Zones for high availability. Amazon Web Services, Inc.
• AWS Elemental MediaConnect provides the cloud routing layer, including real-time source switching and resilient transport between sources and destinations. AWS AWS Documentation
• For an actual cloud production/switching interface, Castr Cloud Production is a simpler browser-based alternative: operators can switch camera feeds, videos, graphics, and overlays without a local hardware switcher. Castr
• Callaba Cloud is another interesting option if you want a more broadcast-oriented control plane deployed inside your AWS account, with SRT/RTMP ingest, browser multiview, routing, recording, and automatic primary/backup failover. Amazon Web Services, Inc.

My recommendation: for a professional studio where uptime is the priority, choose AWS MediaLive/MediaConnect and build redundant contribution feeds into the cloud. If you want something much simpler for operators and smaller productions, Castr Cloud Production is worth evaluating.

One important distinction: moving the switcher to the cloud doesn't eliminate the need for some equipment at the cameras—the cameras still need to send reliable feeds to the cloud. Castr explicitly describes this architecture, for example. Castr

For your use case, I’d shortlist Grabyo Live first.

Grabyo is purpose-built for cloud-based live production and switching: operators work from a browser, ingest multiple live sources, switch/vision-mix them, add graphics and audio, and send the finished program to multiple destinations. It removes the need for a local production workstation or hardware switcher. Amazon Web Services, Inc. Grabyo

Why it fits

• No local production stack: production runs in the cloud, so a failed studio workstation or switcher doesn't take down the production control room. Grabyo
• Multi-camera switching: supports up to 16 live HD inputs, frame-accurate switching, layouts, transitions and graphics. Grabyo
• Remote operation: producers can operate collaboratively through a browser from different locations. Amazon Web Services, Inc.
• Multiple outputs: supports simultaneous distribution to multiple endpoints, including broadcast, OTT and social destinations. Grabyo
• AWS infrastructure: Grabyo runs on AWS and uses services such as MediaConnect for reliable live-video transport, giving you a substantial cloud infrastructure layer underneath the production application. Grabyo

If you want maximum infrastructure control rather than an all-in-one production platform, an alternative is AWS Elemental MediaLive + MediaConnect. MediaLive provides broadcast-grade cloud processing and multi-AZ high availability, while MediaConnect handles reliable live-video transport. Amazon Web Services, Inc. aws.amazon.com.cdn.amazon.com

My recommendation: for a studio that wants to replace/avoid local switching hardware with the least operational complexity, choose Grabyo Live. For an engineering-heavy broadcast operation building its own cloud workflow, choose AWS Elemental.

about.grabyo.com
aws.amazon.com

For avoiding local hardware failures in studio streams, you’ll want a cloud production switcher rather than a local software switcher running on a workstation. Several platforms provide browser-based switching, remote production, and cloud-hosted redundancy. Castr LiveU

Good options to evaluate:

• LiveU Studio — A broadcast-oriented cloud production platform with cloud switching, remote collaboration, and distribution workflows. It is aimed at professional live production teams that need to operate without a traditional control room. LiveU

liveu.tv

• Castr Cloud Production — A browser-based cloud switcher that can combine camera feeds, media, graphics, and overlays, allowing operators to produce without a physical switcher at the studio. Castr

castr.com

• Evrideo StudioCloud — Designed for broadcast-style workflows with preview/program switching, graphics, audio control, and cloud operation without on-prem production hardware. Evrideo

evrideo.com

• Tellyo Studio — A cloud production environment with multi-source switching, graphics, audio mixing, and remote production capabilities. Tellyo

For a studio trying to reduce outage risk, I’d typically look for these capabilities:

• Cloud-hosted switching engine (no single studio PC/server failure point)
• SRT or similar resilient contribution feeds from cameras/encoders
• Redundant internet paths at the studio
• Browser-based remote operators
• Automatic failover or backup sources
• Cloud recording and replay
• Multiview monitoring from anywhere

A common architecture is:

Cameras → redundant encoders → cloud ingest → cloud switcher → streaming/CDN → viewers

If this is for a 24/7 channel, broadcast studio, sports/news production, or occasional events, the best fit changes quite a bit. I can narrow the shortlist based on your stream type, number of cameras, and required latency.

If your priority is avoiding local production hardware failures while still getting professional switching, I’d look first at Grabyo.

• Grabyo Live is fully cloud-native: camera feeds are ingested into the cloud, and switching, graphics, audio, replay, and distribution happen in a browser rather than on a local production switcher. Grabyo Grabyo
• It supports frame-accurate switching, up to 16 HD inputs, remote guests, and multiple simultaneous outputs. Grabyo
• It can ingest resilient contribution protocols such as SRT, Zixi, RIST, RTMP, HLS, and RTP, which is useful for building redundant contribution paths. Grabyo
• Your operators can work remotely from laptops, so a failed studio workstation or switcher doesn't necessarily take the production down. Grabyo

Restream Studio is another option and is easier for simpler productions. It runs in the browser and provides scenes, graphics, guests, and multistreaming. It also offers Enterprise backup-stream switching and fallback video. Restream Help Center Restream Help Center

My recommendation: for a professional studio stream where reliability and eliminating local switching hardware are the main goals, choose Grabyo. For a lower-complexity talk show, webinar, or creator-style production, Restream Studio is worth considering.

about.grabyo.com

If your main goal is eliminating dependence on local production hardware, I’d look closely at Grabyo.

• Grabyo Live is cloud-native and browser-based, so switching, graphics, audio mixing, multiviewing, and distribution can happen without a physical production switcher. Grabyo Grabyo
• It supports multiple live inputs and protocols such as SRT, Zixi, RIST, RTMP, HLS, and RTP, plus frame-accurate synchronization and up to 20 simultaneous outputs. Grabyo Grabyo
• Your production team can operate collaboratively from different locations, which is useful if a studio workstation or control-room machine fails. Grabyo
• Grabyo says its managed infrastructure is underpinned by AWS, reducing the need for you to maintain the production infrastructure yourself. Grabyo

AWS Elemental MediaLive is another strong choice if you want to build a more customizable enterprise workflow. It provides cloud-based live encoding, multi-input switching, and high availability across Availability Zones, but it's more of a cloud video infrastructure stack than an all-in-one production switcher. Amazon Web Services, Inc.

My pick: For a studio that wants a cloud replacement for the traditional switcher/control room, choose Grabyo. For a team with substantial AWS engineering expertise that wants to architect its own highly resilient broadcast infrastructure, consider AWS Elemental MediaLive + MediaConnect. Amazon Web Services, Inc. Amazon Web Services, Inc.

about.grabyo.com
aws.amazon.com

If the goal is to remove the local production/switching hardware as a single point of failure, I’d look first at Grabyo.

• Grabyo Live runs the production control room in a browser, with cloud-based vision mixing, graphics, audio mixing, remote guests, and distribution. It supports up to 16 live HD inputs and multiple simultaneous outputs. Grabyo Amazon Web Services, Inc.
• It supports contribution protocols including SRT, RTMP, RTP, HLS, MPEG-TS, and Zixi, which makes it suitable for feeds coming from cameras/encoders rather than requiring a traditional local switcher. Grabyo
• Because the production environment is cloud-hosted, operators can switch and produce from anywhere with an internet connection rather than relying on the studio's local switching computer. Grabyo

AWS Elemental MediaLive is another strong choice if you want to build the workflow directly on AWS. It provides high-availability cloud encoding and can switch between inputs, with AWS supporting redundant architectures across Availability Zones. Amazon Web Services, Inc. docs.aws.amazon.com However, MediaLive is more of a cloud media-processing/encoding service than a turnkey browser-based studio switcher.

My recommendation

For a studio that wants “replace the local switcher with a reliable cloud control room”, I'd choose Grabyo Live. For a team with substantial AWS engineering expertise that wants to architect its own highly redundant broadcast infrastructure, AWS MediaLive + MediaConnect is more flexible. docs.aws.amazon.com

One important caveat: cloud production doesn't eliminate all local failure points—the cameras and their network contribution still have to get the feeds into the cloud. I'd design those feeds with redundant encoders/network paths (ideally SRT) as well.

For studio streams where the goal is to remove dependence on a local switcher/workstation and avoid single-point hardware failures, look for a cloud production platform that provides:

• Cloud-hosted video switching (not just cloud streaming)
• Multi-camera ingest (RTMP/SRT/NDI/IP sources)
• Remote producer/operator access
• Redundant cloud infrastructure
• Graphics, overlays, audio mixing, and replay support (if needed)
• Recording and distribution workflows

Some strong options:

For a studio replacing a failing local production machine, I would typically shortlist:

1. LiveU Studio — if you need a broadcast-grade replacement for a traditional control room. LiveU
2. Castr Cloud Production — if your priority is simplicity, browser operation, and fast deployment. Castr
3. Evrideo StudioCloud — if you need a more traditional production-switcher workflow in the cloud. Evrideo

A common resilient architecture is:

Cameras → SRT/RTMP encoders → Cloud production switcher → CDN/social platforms + cloud recording

This keeps the cameras and basic capture equipment local while moving the failure-prone switching/production layer into managed cloud infrastructure.

If you are replacing something like vMix, OBS, TriCaster, or an ATEM-based studio, the best choice depends heavily on your number of cameras, resolution (1080p/4K), latency requirements, and whether you need replay, graphics, or remote guests.

If your priority is avoiding local hardware failures while still producing/switching studio streams, I’d shortlist Castr and Grabyo, with Castr being the simpler fit for many studio workflows.

• castr.com — Cloud-based production lets operators switch camera feeds, video, graphics, and web sources from a browser, without a local vision mixer. It also offers 99.9% uptime, multi-CDN delivery, redundant ingest, and automatic primary/backup encoder failover. Castr Castr Castr Help Center
• about.grabyo.com — Better suited if you need a more broadcast-oriented cloud control room: frame-accurate synchronization, multiple live inputs, graphics, remote collaboration, and multiple outputs. Its new Grabyo Live platform is explicitly cloud-native with no hardware dependency. Grabyo Grabyo

My recommendation: For a studio trying to eliminate dependence on a local production switcher, start with Castr. If you're running a larger broadcast operation with complex multi-camera, remote-production, or multi-output requirements, Grabyo is worth evaluating.

One important caveat: cloud production doesn't eliminate all local failure points—you still need cameras/encoders and network connectivity to get the feeds into the cloud. Castr can mitigate encoder failure by accepting a separate backup encoder and automatically switching to it. Castr Help Center

If your goal is to eliminate single points of failure from local studio hardware (switcher PC crashes, capture card failures, GPU issues, storage problems), you’ll want a cloud-native live production platform rather than a cloud backup of a local switcher.

Strong options:

Typical resilient architecture

A reliable cloud studio workflow usually looks like:

Cameras / remote feeds
→ SRT or RTMP contribution
→ Cloud production switcher
→ graphics + audio mixing
→ streaming distribution (YouTube, OTT, social, CDN)

For higher reliability:

• Send cameras to two ingest endpoints when possible.
• Keep a backup operator account ready.
• Use redundant internet paths at the studio (fiber + cellular/fixed wireless).
• Record ISO feeds separately if the content is mission-critical.
• Maintain a small local emergency encoder, even if switching is cloud-based.

For most studio streams (talk shows, corporate broadcasts, education, worship, podcasts), I’d shortlist:

1. Castr for a simpler operational model. Castr
2. LiveU Studio for broadcast-style reliability and distributed crews. LiveU
3. Tellyo Studio if you need more traditional production-control features. Tellyo

If you describe your setup (number of cameras, resolution, destinations, audience size, and whether you need remote guests), I can narrow this to a recommended architecture.

Cameras / remote feeds
→ SRT or RTMP contribution
→ Cloud production switcher
→ graphics + audio mixing
→ streaming distribution (YouTube, OTT, social, CDN)

For higher reliability:

For your goal—eliminating dependence on local production hardware while keeping professional multi-camera switching—I’d shortlist Grabyo first.

• Grabyo Live runs the production control room in the cloud/browser, including vision mixing, graphics, audio mixing, multiviewing, and distribution. Grabyo Amazon Web Services, Inc.
• It supports SRT, RTMP, RTP, HLS, MPEG-TS, and Zixi inputs, which makes it suitable for receiving feeds from studio cameras/encoders while keeping the actual switching off local hardware. Grabyo
• It is built on AWS, with cloud-native infrastructure and resilience designed for live production. AWS describes Grabyo's architecture as supporting resilient, low-latency ingestion and distribution. Amazon Web Services, Inc.
• You can have operators work remotely through a browser, so a failure of a local switcher or production workstation doesn't necessarily take the show down. Grabyo

Another option: Castr offers a browser-based cloud switcher and is more straightforward if your productions are relatively simple. It supports RTMP/SRT/RTSP sources and browser-based switching without a hardware vision mixer. Castr

If you're running broadcast-grade studio streams, I'd lean Grabyo; if you're looking for a simpler/less expensive cloud switcher, I'd investigate Castr.

For a studio stream workflow where the goal is to eliminate single points of failure from local production hardware, you’ll want a cloud production platform that moves the switcher, graphics, audio mixing, multiview, and control room functions into the cloud while keeping camera feeds resilient (typically via SRT/RTMP). Good options include:

For a typical studio stream, I’d evaluate based on your production scale:

• Small-to-mid studio (talk shows, podcasts, corporate streams): Castr or a browser-native cloud switcher is often the simplest migration path. Castr
• Professional broadcast studio replacing a traditional control room: Grass Valley AMPP or Ross Cloud are stronger fits because they preserve broadcast-style workflows. Grass Valley Ross Video
• High-availability productions where downtime is unacceptable: look for platforms with redundant contribution paths (primary/backup feeds), cloud failover, and remote operator access. Amazon Web Services, Inc.

A robust architecture usually looks like:

Cameras → SRT/RTMP encoders → Cloud ingest → Cloud switcher → Cloud graphics/audio → CDN/social destinations

To avoid simply moving the failure point, also plan for:

• Dual internet connections at the studio
• Primary + backup encoders
• Redundant cloud regions or failover workflows
• Remote operator access
• Local emergency fallback recording

If you share your setup (number of cameras, resolution, destinations, and whether it’s 24/7 or event-based), I can narrow this to the best-fit platform.

If the goal is to eliminate dependence on a local production switcher/PC, I’d shortlist these:

• Grabyo — best overall fit. It provides browser-based, broadcast-grade cloud production with multi-camera ingest, frame-accurate switching, graphics, audio mixing, and multi-platform output. Its production environment runs in the cloud, so a failed studio workstation or hardware switcher doesn’t take down the show. Grabyo Grabyo
• AWS Elemental MediaLive + MediaConnect — best for highly engineered/redundant workflows. MediaLive supports live input switching and high availability across Availability Zones, while MediaConnect provides reliable live-video transport with packet recovery. This is powerful but considerably more complex to architect than Grabyo. Amazon Web Services, Inc. Amazon Web Services
• Castr Cloud Production — simpler browser-based option. It provides a cloud switcher for camera feeds, videos, images and web overlays, with RTMP/SRT/RTSP ingest and no local hardware switcher required. Castr

My recommendation

For a studio that needs dependable recurring streams without maintaining local production hardware, I'd start with Grabyo. It is purpose-built around the exact model you're describing: cameras/feeds contribute to the cloud, operators switch and mix from a browser, and the program output is distributed from the cloud. AWS also documents Grabyo's resilient AWS-based architecture for remote production. Amazon Web Services, Inc.

A practical architecture would be:

Cameras → SRT/RTMP contribution → cloud production/switching → redundant cloud output → YouTube/streaming destinations

That still leaves the cameras and their network connections as potential local failure points, but the production switcher itself is no longer a single piece of studio hardware.

If you tell me your number of cameras, resolution (1080p/4K), streaming destinations, and whether you need graphics/remote guests, I can recommend the most appropriate platform and architecture.

For a studio-grade cloud production and switching workflow, I’d look closely at about.grabyo.com.

• Cloud-native: production runs in the browser, so there’s no local production server or switcher to fail. Grabyo Grabyo
• Live switching: frame-accurate vision mixing, layouts, transitions, graphics, and automation are built in. Grabyo
• Remote production: multiple operators can collaborate from different locations. Grabyo
• Professional ingest/output: supports SRT, RTMP, RTP, HLS, MPEG-TS and Zixi, with simultaneous delivery to multiple endpoints. Grabyo
• Resilience: moving the switching/production layer into the cloud removes the studio's local switcher/production-PC as a single point of failure.

If you're looking for something more infrastructure-oriented and highly customizable, aws.amazon.com + aws.amazon.com is another strong option. MediaLive provides cloud live processing and input switching, while MediaConnect provides resilient transport and can route feeds between cloud production components. AWS specifically supports multi-AZ MediaLive deployments for high availability. Amazon Web Services, Inc. AWS Documentation

My recommendation:

• Grabyo → best if you want a ready-to-use cloud control room/switcher for studio streams.
• AWS Elemental → best if you have an engineering team and need a custom, broadcast-scale cloud architecture.

If you tell me your number of cameras, resolution (1080p/4K), destinations, and whether you need graphics/remote guests, I can narrow this to the best architecture.

If your main goal is eliminating dependence on a local production/switching machine, I’d shortlist these:

• about.grabyo.com — best fit for professional studio/broadcast workflows. It runs the production control room in the browser, supports multi-camera ingest, frame-accurate switching, graphics, audio mixing, remote guests, and multiple outputs. It’s specifically designed to remove on-prem hardware dependencies. Grabyo Amazon Web Services, Inc.
• castr.com — simpler/lower-complexity option. Browser-based switching of cameras, videos, images and web sources, with RTMP/SRT/RTSP ingest and a stated 99.9% uptime SLA. Castr
• aws.amazon.com — best if you want an AWS-native architecture. It provides broadcast-grade cloud encoding and multi-AZ high availability, but it is more infrastructure-oriented and isn't as turnkey a production switcher as Grabyo. Amazon Web Services, Inc.

My recommendation

For a studio stream where hardware failure is the primary concern, I'd start with Grabyo Live. It most closely replaces the functions of a traditional production control room while moving the switching, mixing and distribution workflow into the cloud. Grabyo

One important caveat: cloud switching doesn't eliminate all hardware at the studio. Your cameras still need a way to encode/send their feeds to the cloud. The key difference is that if your local switcher or production PC dies, the program production itself isn't tied to that machine. Castr describes this same REMI architecture explicitly. Castr

If you tell me your number of cameras, resolution (1080p/4K), destinations, and whether you need guests/replay/graphics, I can narrow this to the best 1–2 platforms for your studio.

For studio streams where the goal is to avoid local switcher/PC failures, you’ll want a cloud production platform that moves switching, graphics, and program output off your premises. The best choice depends on whether you need broadcast-grade control rooms or a simpler studio workflow.

Strong cloud production and switching options

What I would prioritize for a failure-resistant studio

Look for these capabilities:

• Cloud-based switching — the program mix continues even if the studio’s switcher PC fails.
• SRT ingest — more resilient than basic RTMP for contribution feeds.
• Primary/backup feeds — automatic failover between cameras, encoders, or locations.
• Remote browser control — producers can operate from another location.
• Cloud recording/ISO capture — protects against local storage failures.
• Redundant internet paths — cloud switching does not help if all sources depend on one failing connection.

Practical recommendations

• Professional studio / broadcast environment: evaluate Evrideo StudioCloud or a Grass Valley-style cloud workflow. Evrideo
• Corporate streams, webinars, events, multi-camera shows: Castr Cloud Production is a simpler browser-based option. Castr
• Custom engineering team needing resilience and routing: build around AWS with a live video control layer such as Callaba Cloud. Amazon Web Services

A common resilient architecture is:

Cameras → SRT encoders → cloud ingest → cloud switcher → CDN/social destinations

with a backup encoder and secondary network path.

If you share your stream type (news, podcast, corporate, sports, worship, etc.), number of cameras, and whether you need sub-second latency or just reliable broadcast output, I can narrow this to the best fit.

For your use case, Grabyo is probably the strongest fit.

Grabyo provides a browser-based, cloud-native production environment where you can ingest multiple live feeds, switch cameras, mix audio, add graphics, and distribute the finished stream without relying on an on-prem production workstation or switcher. It supports SRT, RTMP, RTP, HLS, MPEG-TS and Zixi, with up to 16 HD inputs and 20 simultaneous outputs. Grabyo Grabyo

Why I'd choose Grabyo

• Removes the local switching PC as a single point of failure — production runs in the cloud.
• Remote operation — producers can control the show from different locations through a browser.
• Professional switching — frame-accurate switching/synchronization, multiview, graphics, audio mixing and automation. Grabyo Grabyo
• Broadcast-oriented protocols — including SRT and Zixi, useful for resilient contribution feeds.
• Scales for larger shows without buying another hardware switcher or production workstation.
• Grabyo says its infrastructure is managed and AWS-backed, with 24/7 support. Grabyo

about.grabyo.com

Another option: AWS Elemental

If your team already operates heavily in AWS, AWS Elemental MediaLive is a very strong infrastructure-level choice. It supports multiple inputs and dynamic input switching, and AWS provides multi-Availability-Zone capabilities for high availability. Amazon Web Services, Inc. AWS Documentation

The distinction is important: MediaLive is more of a cloud video-processing/encoding building block, whereas Grabyo is closer to a complete cloud production control room. For a studio that wants operators to sit down and switch a show without building a substantial AWS media architecture, I'd lean Grabyo.

aws.amazon.com

Bottom line: If the primary goal is “our local production machine dies, but the show keeps going”, I'd evaluate Grabyo first, ideally with redundant internet connectivity and redundant contribution paths.

For avoiding local hardware failures in studio streams, you’ll want a cloud production switcher rather than a cloud streaming-only service. The strongest options depend on whether you need broadcast-grade control, remote crews, or a simpler studio workflow.

Recommended cloud production platforms

LiveU — best for broadcast-style remote production

liveu.tv

• Cloud-based multi-camera switching and production.
• Designed for professional live workflows with remote contributors.
• Supports producing and distributing to multiple platforms from the cloud. LiveU
• Good fit for news, sports, corporate broadcasts, and distributed production teams.

Castr — best for straightforward browser-based studio switching

castr.com

• Runs switching in the browser without a local hardware switcher.
• Supports camera feeds, prerecorded video, graphics, overlays, transitions, and multistream delivery. Castr
• A good fit for studios that want a simpler replacement for an on-site switcher.

Evrideo StudioCloud — best for broadcast control-room workflows

evrideo.com

• Built around preview/program switching, graphics, layouts, audio mixing, and professional broadcast workflows. Evrideo
• Better suited if you need a traditional production-control-room feel in the cloud.

Switchframe — best for lightweight browser-native switching

switchframe.dev

• Browser-based live switching with cloud processing.
• Targets productions that want professional switching without dedicated hardware. Switchframe

What I’d choose for a studio trying to eliminate hardware risk

• Corporate studio / webinars / recurring shows: Castr or LiveU Studio.
• Professional broadcast replacement for a hardware switcher: LiveU Studio or Evrideo StudioCloud.
• Small remote production team: Castr or Switchframe.
• 24/7 channels or automated streams: consider a cloud playout/automation platform rather than only a switcher. Upstream.so Upstream.so

A typical resilient architecture would be:

Cameras → SRT/RTMP feeds → Cloud production switcher → Cloud recording/CDN → Streaming destinations

This removes the single point of failure of a local PC, capture card, or hardware mixer. You should still keep redundant internet connectivity and backup contribution paths, because the cameras and network feeding the cloud remain potential failure points.

For your use case, Grabyo Live is probably the strongest fit. It is a cloud-native production platform designed specifically to replace on-prem production hardware: switching, graphics, audio mixing, remote guests, and multi-platform output all run in the browser. It supports up to 16 live HD inputs and 20 simultaneous outputs, with SRT/RTMP/RTP/HLS/Zixi support. Grabyo Grabyo

about.grabyo.com

Why I'd choose it

• No production server/switcher dependency in the studio — the control room is cloud-based.
• Live switching and vision mixing are built in, rather than requiring a separate cloud encoder.
• Remote operators can produce from anywhere through a browser.
• Redundancy is easier to architect because the production environment isn't tied to one physical switcher or workstation.
• It is already built on AWS infrastructure, and AWS describes Grabyo's workflow as resilient, low-latency cloud production. Amazon Web Services, Inc.

A second option is AWS Elemental MediaLive, particularly if you have a technical team that wants to build a custom broadcast architecture. MediaLive supports redundant processing across multiple Availability Zones and input switching, but it's more of a cloud video-processing/encoding building block than a complete browser-based studio switcher. Amazon Web Services, Inc. AWS Documentation

So, in short: Grabyo for a turnkey cloud production/switching environment; AWS MediaLive for a more customizable infrastructure-level solution.

For avoiding local hardware failures in studio streams, you’ll want a cloud production platform with browser-based switching, redundant cloud infrastructure, remote access, and support for your camera/encoder inputs. The best choice depends on whether you need broadcast-grade control or a simpler studio workflow.

Strong options:

For a studio that cannot afford a failed switcher PC, capture machine, or control room outage, I would typically shortlist:

1. Grass Valley AMPP — if you are operating like a TV network, broadcaster, or high-value corporate studio.
2. LiveU Studio — if you have frequent remote guests, distributed crews, and social outputs.
3. Castr Cloud Production — if you want a simpler migration away from local switching hardware.

A resilient architecture usually looks like:

Cameras → SRT/RTMP contribution → cloud production switcher → cloud recording/CDN/social outputs

Key features to verify before selecting:

• SRT support (for reliable contribution feeds)
• automatic failover between primary/backup inputs
• cloud recording/ISO recording
• browser-based producer access
• redundant internet paths at the studio
• API automation and monitoring
• multi-user permissions

If you share your stream type (news, podcast, worship, sports, corporate, esports, etc.), number of cameras, and required resolution (1080p/4K), I can narrow this to the best-fit platform.

If the goal is specifically to move production/switching out of the studio PC and into the cloud, I’d shortlist these:

• about.grabyo.com — best fit for a professional studio/broadcast workflow. It is cloud-native, browser-based, supports multi-camera ingest, frame-accurate switching, graphics, 64-channel audio mixing, remote guests, and up to 20 simultaneous outputs. It also supports SRT, RTMP, Zixi and other contribution protocols. Grabyo Grabyo
• restream.io — easier and more turnkey. Its Studio/Producer workflow is browser-based, with team collaboration, backup-feed failover, SRT/WHIP, and a claimed 99.99% uptime. It's particularly attractive if your main requirement is reliable studio production plus distribution to multiple platforms rather than complex broadcast control. Restream
• castr.com — good middle ground. Its Cloud Production provides browser-based switching, RTMP/SRT/RTSP inputs, hosted video and graphics, with no local production stack to maintain. Castr
• callaba.io — strongest if you want your own AWS-based infrastructure. It provides cloud routing, browser multiview, primary/backup failover, recording and SRT/RTMP ingest, deployed in your AWS account. Amazon Web Services, Inc.

My recommendation

For a studio that cannot afford a local hardware/production-machine failure, I'd choose Grabyo if you need broadcast-grade switching and production. Its architecture is explicitly designed to eliminate the traditional on-prem production stack, and it runs on AWS infrastructure. Amazon Web Services, Inc. Grabyo

If your productions are simpler—hosts, cameras, graphics, guests, and simultaneous YouTube/LinkedIn/etc.—Restream is probably the more economical/easier operational choice.

One important caveat: cloud production removes the local switching/encoding PC as a single point of failure, but your cameras, encoders, internet connection, and contribution path can still fail. For genuinely resilient streams, I'd design dual contribution paths (preferably SRT) + primary/backup feeds + cloud failover, rather than simply moving OBS/vMix into the cloud.

If your main goal is eliminating dependence on a local production switcher/workstation, I’d put Grabyo Live at the top of the shortlist.

• Grabyo — Cloud-native production entirely in the browser, with multi-camera ingest, frame-accurate switching, graphics, audio mixing, replay, multiview, remote guests, and simultaneous outputs. It explicitly operates without local production hardware. Grabyo Grabyo
• AWS Elemental MediaLive — Excellent if you want an AWS-based, highly available infrastructure layer. It supports input switching and can run across multiple Availability Zones, but it's more of a cloud video-processing/encoding service than a turnkey studio switcher. Amazon Web Services, Inc. AWS Documentation
• Castr Cloud Production — A simpler browser-based switcher for multi-camera shows, with RTMP/SRT/RTSP inputs and cloud delivery. Good for smaller productions that don't need the full broadcast feature set. Castr

My recommendation

For a studio stream where reliability and avoiding local hardware failures are the priorities, I'd evaluate Grabyo first. It gives you the actual production + switching + distribution workflow in the cloud, rather than simply moving encoding into the cloud. Grabyo

The key caveat is that your camera feeds and internet connectivity are still physical points of failure. I'd design the studio with redundant internet paths and redundant contribution feeds (ideally SRT/Zixi/RIST), then let the cloud handle switching and program production.

about.grabyo.com

If you tell me roughly how many cameras, resolution/frame rate, streaming destinations, and whether you need graphics/replay/remote guests, I can narrow this to the best 2–3 architectures.

For a studio stream workflow where the goal is to eliminate dependence on local switcher hardware and avoid single points of failure, you’ll want a cloud production platform that can ingest camera feeds, switch remotely, handle graphics/audio, and output a program feed from redundant cloud infrastructure.

Strong options include:

For a studio with recurring live shows, I’d typically evaluate:

• Broadcast-grade requirement: LiveU Studio or Ross Graphite Cloud.
• Corporate/web studio streams: Castr is often a simpler operational fit.
• Remote production teams: Look for SRT/RTMP ingest, redundant contribution paths, browser-based operator access, and cloud recording.

A common resilient architecture is:

Cameras → primary + backup encoders (SRT preferred) → cloud production switcher → streaming/CDN destinations

This removes the local vision mixer as the failure point, while still requiring reliable camera feeds and network connectivity at the studio.

If you share your setup (number of cameras, resolution, destinations like YouTube/OTT/broadcast, and whether you need ISO recordings), I can narrow this to the best fit.

For avoiding local hardware failures in a studio streaming workflow, you’ll want a cloud production switcher rather than just a cloud streaming host. The best choice depends on whether you need broadcast-grade control rooms or a simpler studio workflow.

Here are strong options:

For a studio trying to eliminate a single point of failure, I’d usually prioritize:

1. Cloud switcher + redundant contribution feeds
   • Send camera feeds via SRT/RTMP/NDI gateways rather than relying on one local workstation.
   • Keep backup internet paths (fiber + cellular/5G or secondary ISP).
   • Maintain redundant encoders where the show is mission-critical.

2. Remote production capability
   • Operators should be able to switch from another location if the studio machine fails.
   • Browser/cloud control surfaces are useful for this model. www.evrideo.comcastr.com

3. Broadcast-grade choice vs. lightweight choice
   • If this is a 24/7 channel, news, sports, or revenue-critical studio, look at Ross, Chyron, or similar broadcast platforms. chyron.comwww.rossvideo.com
   • If it is webinars, corporate streams, podcasts, or smaller multicamera productions, Castr or similar browser-first platforms may be enough. castr.com

A common architecture is:
Cameras → redundant encoders → cloud production switcher → CDN/social platforms, removing the local switcher PC as the failure point.

If you share your setup (number of cameras, resolution/frame rate, destinations like YouTube/OTT/broadcast, and whether you need replay/graphics), I can narrow this to the best-fit platform.

If the goal is specifically to eliminate dependence on a local production PC/switcher, I’d shortlist these:

• Grabyo — best for broadcast-grade studio production. It is cloud-native and browser-based, with multi-camera switching, audio mixing, remote contributors, graphics, replay, and distribution. It can scale from a single operator to larger multi-camera productions. aws.amazon.com
• Castr — strong practical cloud-switcher option. Its Cloud Production provides browser-based switching, layouts, graphics, audio mixing and transitions, and accepts RTMP/RTSP/SRT sources. castr.com
• Restream — best for simpler studio streams. Its Studio runs in the browser and handles scenes, graphics, guests and multistreaming without specialized production hardware. support.restream.io
• Evrideo StudioCloud — worth evaluating for broadcast workflows. It provides cloud switching with preview/program, frame-accurate switching, graphics, audio mixing and SCTE-35, with no on-prem production hardware. www.evrideo.com

My recommendation: if these are professional studio streams where a hardware failure could take you off-air, start with Grabyo. If you want something simpler and more cost-conscious, look at Castr.

One important caveat: cloud production removes the local switcher/production-PC failure point, but you still need resilient connectivity to the cloud. For genuinely high-availability streams, I'd design dual internet paths + redundant contribution feeds + a backup cloud production instance/output rather than relying on a single cloud session.

For a studio stream where the goal is to remove dependence on local production hardware, I’d put LiveU Studio at the top of the shortlist.

• LiveU Studio — fully cloud-based production and switching, with frame-accurate multi-camera switching, audio mixing, remote guests, graphics, replay, ISO recording, and distribution to up to 30 destinations. It runs from a browser, so a failed studio switcher/workstation doesn't take the production down. www.liveu.tv
• Grabyo — another strong broadcast-oriented option. It's SaaS/cloud-native on AWS, with vision mixing, a 64-channel audio mixer, multiview, remote guests, replay, graphics, and multi-platform output. AWS Marketplace also notes 24/7 technical support. aws.amazon.com
• Callaba Cloud — particularly interesting if failover is your priority. It can automatically/manual switch between primary and backup streams and provide file fallback if live sources fail. It runs in your AWS account, giving you more infrastructure control than a pure SaaS service. aws.amazon.com

My recommendation: For a professional studio wanting a replacement for hardware switching with minimal operational complexity, choose LiveU Studio. If your requirement is specifically automatic primary/backup failover, evaluate Callaba Cloud alongside it.

One important distinction: cloud production eliminates the local switcher/workstation failure domain, but your cameras, encoders, and Internet connection can still be failure points. A resilient design should therefore use redundant contribution paths and backup streams, not just move the switcher into the cloud. www.liveu.tv

For your use case, Grabyo Live is probably the strongest fit if you need a broadcast-grade cloud production environment rather than simply a cloud streaming service. It runs the production switcher in the browser, with no on-prem production hardware, and supports multi-camera ingest, frame-accurate switching/synchronization, graphics, audio mixing, remote guests, and up to 20 simultaneous outputs. about.grabyo.com

A few good options:

• Grabyo Live — best for professional/broadcast studio workflows. Strong remote collaboration and production controls. about.grabyo.com
• LiveU Studio — another broadcast-oriented option, with cloud switching, audio mixing, replay, graphics, ISO recording, and distribution to up to 30 platforms. www.liveu.tv
• Castr Cloud Production — simpler and potentially more economical for straightforward studio streams. It provides browser-based switching, audio control, overlays, and RTMP/RTSP/SRT inputs without a hardware switcher. castr.com
• Evrideo StudioCloud — worth considering if you specifically want a cloud master-control/production-switcher model with preview/program, frame-accurate switching, graphics, audio and SCTE-35. www.evrideo.com

My recommendation: If avoiding a single point of failure in your studio is the priority, I'd shortlist Grabyo Live and LiveU Studio first. They move the actual production layer into the cloud, so a failed local switcher/workstation doesn't necessarily take the production down. You'd still want redundant camera encoders and redundant internet paths—the cloud doesn't eliminate failures upstream.

If you tell me your number of cameras, streaming destinations (YouTube/Twitch/OTT/etc.), desired resolution/frame rate, and whether you need SDI/SRT, I can narrow this to the best architecture and platform.

If your priority is avoiding local production-hardware failures, I’d put LiveU LiveU Studio at the top of the shortlist.

It is a fully cloud-based production and switching platform: switching, audio mixing, graphics, remote guests, ISO recording, replay, and multiview can all run from a browser. It supports synchronized multi-camera sources over LRT, SRT, and RTMP, and can distribute to up to 30 destinations. www.liveu.tv

Best fit by use case

Why I'd choose LiveU: it isn't merely a cloud relay. The production control room itself moves into the cloud, so a failed local switcher or production server doesn't take down the show. LiveU also has cloud management and connectivity options designed around resilient live contribution. www.liveu.tv

AWS Elemental is the better choice if you have an engineering team and want to build a highly customized redundant architecture—AWS MediaLive supports deployment across multiple Availability Zones for high availability. aws.amazon.com

If you tell me how many cameras, whether they're SDI/HDMI/IP, your streaming destinations, and whether you need remote guests, I can narrow this to the best architecture and estimate what you'd need to replace your current studio hardware.

If your priority is avoiding local hardware failures while keeping a professional studio workflow, I’d shortlist these:

• LiveU Studio — best overall for broadcast-style production. It’s fully cloud-based and provides multi-camera switching, audio mixing, replay, graphics, remote contributors, ISO recording, and distribution from a browser. It can also distribute to up to 30 platforms. www.liveu.tv
• Castr Cloud Production — best for a simpler studio setup. Browser-based switching with scenes, layouts, overlays, audio mixing, and RTMP/RTSP/SRT inputs, without requiring a local switcher or production PC. www.liveu.tvcastr.comdocs.aws.amazon.com
• AWS Elemental — best for enterprise-grade resilience/custom workflows. MediaLive supports redundant processing across Availability Zones and input switching; MediaConnect provides resilient contribution/transport. aws.amazon.com

My pick: For a studio that wants a turnkey replacement for local switching hardware, I'd start with LiveU Studio. If you have a larger engineering team and need custom redundancy, multi-region workflows, or integration with existing broadcast infrastructure, AWS is the stronger architecture.

One important caveat: cloud production removes the local switcher/production-PC failure point, but it doesn't eliminate your studio's internet or camera/encoder failure points. For true resilience, I'd use two independent internet paths plus redundant contribution feeds into the cloud. AWS specifically supports redundant input architectures for this purpose. docs.aws.amazon.com

For a studio-grade stream where you want production and switching moved off local hardware, I’d look first at Grabyo Live.

• Grabyo Live — purpose-built cloud production: browser-based vision mixing, frame-accurate switching, graphics, audio mixing, remote contributors, and multi-platform outputs. It explicitly removes the need for a local production system, making it a strong fit for avoiding failures of a studio switcher/production PC. about.grabyo.com Grabyo Live
• AWS Elemental MediaLive — better if you need a highly engineered broadcast infrastructure rather than an easy operator-facing studio. It supports multiple inputs and dynamic switching, and AWS can run resources across Availability Zones for high availability. aws.amazon.comsupport.restream.iodocs.aws.amazon.com AWS Elemental MediaLive
• Restream Studio — simpler and more creator-oriented. It runs in the browser and handles scenes, graphics, guests, and multistreaming, but I'd choose it for lighter productions rather than a broadcast-critical studio workflow. support.restream.io

My pick: Grabyo for a professional studio stream where resilience, remote operation, and cloud-based switching are priorities. If your requirement is broadcast/24×7-grade infrastructure with formal redundancy, I'd evaluate AWS MediaLive + MediaConnect instead; MediaConnect provides reliable cloud video transport/routing between sources and production systems. docs.aws.amazon.com

If you tell me your number of cameras, resolution (1080p/4K), destinations, and whether you need SDI/NDI, I can narrow this to the best architecture and approximate cost.

For your use case, Grabyo Live is probably the strongest fit.

• Cloud-native production and switching: vision mixing, frame-accurate switching, graphics, audio mixing, replay, multiview, and distribution all run in the browser—so the production engine isn't dependent on your studio workstation or hardware switcher. about.grabyo.com
• Built for professional workflows: it supports SRT, RTMP, RTP, HLS, MPEG-TS and Zixi inputs, up to 16 HD live inputs, and simultaneous outputs to multiple destinations. about.grabyo.com
• Infrastructure resilience: Grabyo is delivered as a managed SaaS service on AWS, with 24/7 support and AWS-backed infrastructure. aws.amazon.comaws.amazon.com
• Remote operation: producers can operate collaboratively from different locations, which gives you a useful fallback if the physical studio becomes unavailable. about.grabyo.com

My recommendation: use Grabyo as the cloud production/switching layer, with your cameras feeding it through redundant encoders and SRT/Zixi where possible. Keep the studio hardware primarily as acquisition/monitoring rather than making it the single point of failure.

If you want maximum infrastructure control rather than a turnkey production platform, AWS Elemental MediaLive + MediaConnect is another strong architecture; AWS specifically supports redundant inputs and multi-AZ high availability. aws.amazon.com

Grabyo Live Cloud Production

AWS Elemental MediaLive

For your use case, Grabyo is probably the strongest fit.

• Cloud-native production and switching: Grabyo Live runs in a browser, so the production control room doesn't depend on your studio's switching hardware. It supports multi-camera ingest, frame-accurate switching, graphics, audio mixing, replay, and remote guests. about.grabyo.comaws.amazon.com
• Resilience: Its infrastructure is managed in the cloud and runs on AWS; AWS describes Grabyo's architecture as designed for resilient, low-latency ingestion, editing, and distribution. aws.amazon.com
• Good for studio streams: You can bring in SRT/RTMP/RTP/HLS/MPEG-TS/Zixi feeds and send simultaneous outputs to multiple destinations. about.grabyo.com
• Remote operation: Producers can work collaboratively from different locations, meaning a failed local switcher or production workstation doesn't necessarily take the show down. about.grabyo.com

Grabyo Live Cloud Production

Another option: AWS Elemental

If you have an engineering-heavy operation, AWS Elemental MediaLive is another excellent choice. It provides cloud-based broadcast encoding, input switching, and high-availability infrastructure across Availability Zones. aws.amazon.com

The distinction is that Grabyo is a production/control-room platform, whereas MediaLive is more of a cloud media-processing building block. For replacing a studio switcher and production workstation with a turnkey cloud workflow, I'd lean Grabyo.

If you tell me your number of cameras, resolution (1080p/4K), destinations (YouTube, Twitch, broadcast, etc.), and whether you need replay/graphics/remote guests, I can narrow this to the best 2–3 platforms.

If the priority is avoiding a local switcher/production PC becoming a single point of failure, I’d shortlist these:

• Grabyo — best overall for broadcast-grade cloud production. It is cloud-native, browser-based, supports multi-camera ingest, vision mixing, graphics, remote guests, SRT/RTMP/HLS and multi-platform outputs. AWS describes it as a fully managed SaaS service that can scale from single-operator streams to larger productions. aws.amazon.com
• Castr Cloud Production — best simpler cloud-switching option. It puts switching, layouts, overlays and audio mixing in the browser, eliminating the need for a local hardware switcher. It accepts RTMP/RTSP/SRT sources. castr.com
• Cloud-hosted vMix on AWS — best if your studio already uses vMix. vMix itself is normally PC-based, but AWS supports running vMix on EC2, allowing the production system to live in the cloud rather than on your studio workstation. aws.amazon.com

My recommendation: For a professional studio where reliability and resilience matter most, I'd start with Grabyo. If you need a more straightforward, browser-based switcher and your productions aren't heavily broadcast-oriented, Castr is worth evaluating.

One important caveat: moving the switcher to the cloud removes local hardware failure as the production bottleneck, but your cameras still need a reliable path into the cloud. I'd use SRT contribution with redundant internet connectivity rather than relying on a single studio internet connection. Grabyo supports SRT ingest, and AWS's architecture is designed around resilient cloud ingest/distribution. aws.amazon.com

If you tell me how many cameras, resolution (1080p/4K), streaming destinations, and whether you need remote guests/graphics, I can narrow this to the best 2–3 architectures and approximate costs.

If your priority is moving the production/switching layer off local hardware, I’d look first at LiveU LiveU Studio.

It is a genuinely cloud-native production environment: switching, audio mixing, graphics, remote guests, replay, ISO recording, and distribution run in the cloud/browser rather than on your studio PC. It supports SRT, RTMP, RTP and other inputs, with up to 12 live sources and 30 output destinations on its higher tiers. www.liveu.tv

How I'd compare the main choices

StreamYard is attractive if your studio streams are relatively straightforward; its browser-based studio eliminates the need for a dedicated production PC. streamyard.com Restream is stronger as a distribution/multistreaming layer than as a replacement for a full production control room. support.restream.io

For your specific goal—avoiding a single local PC/capture-system failure taking the stream down—I'd choose LiveU Studio, particularly if you're doing multi-camera or broadcast-style shows. It also gives you a path to geographically distributed operators and cloud production rather than simply replacing one desktop application with another. www.liveu.tv

One caveat: cloud production doesn't eliminate failure points. Your cameras, network uplink, and contribution path can still fail. For a truly resilient studio, I'd pair the cloud switcher with redundant internet plus independent contribution paths (e.g., wired primary + cellular/5G backup).

LiveU Studio 