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Draft:Networked Media Open Specifications

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Networked Media Open Specifications (NMOS) are a group of open-source specifications intended to allow interoperability on the control layer for media devices on an Internet Protocol (IP) infrastructure.[1] NMOS provide discovery, registration and control services for the SMPTE ST 2110 media over IP networks, and other media over IP applications.[2]

History

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The NMOS specifications were created by the Advanced Media Workflow Association (AMWA), and are made available under the Apache-2.0 Licence.

The first NMOS specification (IS-04 v1.0.0) was published by AMWA in April 2016.[3] There have been 15 total published releases of the IS-04 NMOS Discovery and Registration Specification, the most recent being v1.3.3 in December 2024.[4][5]

The NMOS Connection Management API (IS-05) was released in October 2017. There have been 6 total published releases of IS-05, the most recent being v1.2.2 in October 2022.[6]

Interface Specifications

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There are currently two NMOS interface specifications (IS) deemed critical for the success of ST 2110:[7][8]

  • IS-04 - Discovery and Registration – IS-04 helps devices find each other and announce their capabilities.
  • IS-05 - Connection Management – IS-05 allows the configuration of connections between devices called Senders and Receivers.

There are six other NMOS specifications:[9]

  • IS-07 - Event and Tally
  • IS-08 - Audio Channel Mapping
  • IS-09 - Systems Parameters
  • IS-10 - Authorization
  • IS-11 - Stream Compatibility Management
  • IS-12 - Control Protocol

The development of at least two more specifications (IS-13 and IS-14) is in progress. IS-06 - Network Control is deprecated as of September 2022.[10]

Recognition & Reception

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NMOS specifications have been endorsed by several industry organizations, including the European Broadcasting Union, which published a position statement in 2019 urging the accelerated adoption of NMOS.[11] The Joint Task Force on Networked Media (JT-NM) have endorsed NMOS as a key enabling technology for SMPTE ST 2110 environments.[12] Leaders from technology companies like Sony and Nextera Video have spoken on record about their support of NMOS.[13]

See Also:

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References

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  1. ^ "Scalability and Performance of the AMWA IS-04 and IS-05 NMOS Specifications for Networked Media". journal.smpte.org. Retrieved 2025-07-15.
  2. ^ Bridge, The Broadcast (2018-08-13). "AMWA, NMOS and open standards - The Broadcast Bridge - Connecting IT to Broadcast". www.thebroadcastbridge.com. Retrieved 2025-07-15.
  3. ^ "Releases · AMWA-TV/is-04". GitHub. Retrieved 2025-07-15.
  4. ^ "Release AMWA IS-04 NMOS Discovery and Registration Specification v1.3.3 · AMWA-TV/is-04". GitHub. Retrieved 2025-07-15.
  5. ^ "is-04". is-04. Retrieved 2025-07-15.
  6. ^ "Releases · AMWA-TV/is-05". GitHub. Retrieved 2025-07-15.
  7. ^ Bridge, The Broadcast (2018-08-13). "AMWA, NMOS and open standards - The Broadcast Bridge - Connecting IT to Broadcast". www.thebroadcastbridge.com. Retrieved 2025-07-15.
  8. ^ Bridge, The Broadcast (2024-03-01). "Standards: Appendix N - AMWA NMOS Documents - The Broadcast Bridge - Connecting IT to Broadcast". www.thebroadcastbridge.com. Retrieved 2025-07-15.
  9. ^ "nmos". nmos. Retrieved 2025-07-15.
  10. ^ "Deprecate specification by peterbrightwell · Pull Request #80 · AMWA-TV/is-06". GitHub. Retrieved 2025-07-15.
  11. ^ Strategy for the adoption of an NMOS open discovery & connection protocol. 2019-04-02.
  12. ^ "JT-NM Tested". JT-NM. Retrieved 2025-07-15.
  13. ^ published, David Davies (2024-05-06). "Brainstorming NMOS: Collaborating for the Common Good". TV Tech. Retrieved 2025-07-15.
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