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The Call for Comment on DRAFT AES70-21-xxxx Audio applications of networks - Open Control Architecture - Part 21: Using AES70 to manage AES67 and SMPTE ST 2110-30 media transport has been published.

The AES70 standard is a suite of standards, classified into two divisions. The Core Standards division, contains standards essential to all implementations of AES70; the Adaptation Standards division contains application-specific standards. This standard, AES standard for audio applications of networks - Open Control Architecture - Part 21: Using AES70 to manage AES67 and SMPTE ST 2110 30 media transport, is an Adaptation Standard.

A media network contains at least four sets of services:

· media transport: synchronized transportation of media data;

· control: controlling devices;

· directory: allowing devices and controllers to identify and discover each other;

· time: enabling media transport synchronization and control action timing.

A key function of the control set is connection management, i.e. control of the making, breaking, and operation of media transport connections and sessions. AES70 contains a rich set of connection management features. This Standard specifies a way of using those features to manage AES67 and SMPTE ST 2110-30 media transport connections and sessions.

Directory and time services are not part of this Standard.

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