Standards-based approach

RIST is developed jointly by a large group of experts, pouring hundreds of years of real-world experience into the specifications. It’s also built on top of existing RFC standards. With this approach, RIST benefits from a broader range of real-world experiences than a single-vendor solution ever does, leading to a more technically robust solution no matter the application, use case or environment it is deployed in.

 

Multi-vendor interoperability

Designed with multi-vendor interoperability as they key objective, the RIST specs are detailed enough to ensure that two different implementations will be interoperable. A collaborative VSF activity group and the RIST Forum further contribute by hosting RIST plug-fests and demonstrations where vendors and users can come together to verify interoperability.

 

Enables innovation

While detailed enough to ensure interoperability, the RIST specs also leave room for innovation. They do this by specifying a minimum set of functionality and behaviour that needs to be common across all implementations, while leaving it open for each individual vendor to add advanced functionality on top of the specifications.

 

Experience RIST yourself

RIST members from all over the world have been streaming content over the Internet as part of interoperability demonstrations. An example of such a demonstration is the below one from VidTrans 2019.

 
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Case studies

RIST is already deployed in commercial operations. One user of the technology is Mankin Media, who built their contribution services in the US over the public Internet using RIST. Another example is PROLANE, a broadcast services company providing managed video contribution services over the public internet in the Middle East.

Check out the case studies

 

RIST Profiles and Capabilities

RIST specifies several profiles, each adding more capabilities. This makes it easier for vendors to add RIST interoperability with the simplest profile, while still allowing RIST to become very capable in the more advanced profiles.

Simple profile

The most basic interoperability profile is available in TR-06-1 , covering the following:

  • Interoperable Automatic Repeat reQuest (ARQ) with configurable behaviour for

    • Recovery of packet loss, packet reordering and link failure

    • Removal of network introduced jitter

  • Transport of point-to-point SMPTE2022-2 services

  • Bonding of several links using link aggregation

  • Optional Forward Error Correction using SMPTE 2022-1

Main Profile

The main profile is currently in development, and is expected to add:

  • Transport of point-to-multipoint services

  • Stream encryption for secure content

  • VPN tunnelling for secure sender/receiver communication

  • NAT traversal for improved interworking with consumer-style internet connectivity

  • Null packet suppression for saving bandwidth

  • Transport of high bandwidth streams (>100Mbps) for uncompressed or lightly compressed content

  • Auto stream configuration for simpler operations

Enhanced Profile

The enhanced profile is in planning and will tentatively add:

  • Automatic video bitrate adjustment (ABR) based on available network bandwidth

  • Capability (i.e. profiles supported) communication for simpler operations

Scalable Profile

The scalable profile is in planning and will tentatively add:

  • Transport of Scalable Video Coding (H.264 annex G) to better adapt video quality to available network bandwidth

 

Get more details

Want to know more details? Check out the resources below.

- One-pager introduction/poster (PDF)
- 15 min introduction by Wes Simpson (Video)
- RIST specifications TR-06-1 (PDF)

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Developed by the Video Services Forum (VSF)

RIST is developed by an activity group within the VSF, an international association comprised of service providers, users and manufacturers dedicated to interoperability, quality metrics and education for media networking technologies.

Read more about the RIST Activity Group