| Publisher | Internet Society | ||
|---|---|---|---|
| Format | HTML | Date added | 01 Jun 2002 |
| Topics | Multimedia, Industry Standard Protocols, Streaming Media | ||
| Downloads | 219 | ||
This paper defines a mechanism by which two entities can make use of the Session Description Protocol (SDP) to arrive at a common view of a multimedia session between them. In the model, one participant offers the other a description of the desired session from their perspective, and the other participant answers with the desired session from their perspective. This offer/answer model is most useful in unicast sessions where information from both participants is needed for the complete view of the session. The offer/answer model is used by protocols like the Session Initiation Protocol (SIP).
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