【国外标准】 Information technology - Generic coding of moving pictures and associated audio information - Part 6: Extensions for DSM-CC

Provides the general capability to browse, select, download, and control a variety of bit stream types. DSM-CC also provides a mechanism to manage network and application resources through the concept of a Session, an associated collection of resources required to deliver a Service. The Session complements a 鬝ervice Domain? a collection of interfaces to browse and select services, and control the delivery of bit streams.DSM-CC defines the syntax and semantics for a set of User-to-Network and User-to-User protocols:DSM-CC Message HeaderU-N Configuration messagesU-N Session messages and flow diagrams for Session and Resource managementU-N Download messagesU-N Switched Digital Broadcast Channel Change ProtocolU-N Pass Thru messagesThe transport of DSM-CC U-N messages using ISO/IEC 138 18- 1.The transport of generic IP messages using DSM-CC sections and ISO/IEC 138 18- 1, clause 9U-U Remote Procedure CallU-U Session interfaceU-U Download interfaceU-U Object Carousel interfaceU-U Local Object interfaceU-U Stream Descriptors