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AMWA IS-04 NMOS Discovery and Registration Specification

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What does it do?

  • Allows control and monitoring applications to find the resources on a network
    • Resources include Nodes, Devices, Senders, Receivers, Sources, Flows...

Why does it matter?

  • Enables automation and reduces manual overhead in setting up networked sytems
  • Essential for dynamic deployment

How does it work?

  • Media Nodes locate IS-04 registry using DNS-SD (unicast preferred)
  • Media Nodes register their resource information with HTTP + JSON
  • Applications query with HTTP and/or subscribe with WebSockets

Getting started

There is more information about the NMOS Specifications and their GitHub repos at