scope:

This International Standard specifies a set of protocols to be used in conjunction with ISO/IEC 23000-5 (Media streaming Player) in applications where governed audio and video information is streamed to an end-user device. This International Standard specifies two types of protocols, Access Protocols, allowing a device to obtain from another device a content item or parts thereof, a license, or executable code implementing security functions, and Domain Management Protocols, allowing a number of devices to create, join, administer, etc. a group of users and devices where the participants share common properties.