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RFC 5898
Title: Connectivity Preconditions for Session Description
Protocol (SDP) Media Streams
Author: F. Andreasen, G. Camarillo,
D. Oran, D. Wing
Status: Standards Track
Stream: IETF
Date: July 2010
Mailbox: fandreas@cisco.com,
Gonzalo.Camarillo@ericsson.com,
oran@cisco.com, dwing@cisco.com
Pages: 17
Characters: 38969
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-mmusic-connectivity-precon-07.txt
URL: http://www.rfc-editor.org/rfc/rfc5898.txt
This document defines a new connectivity precondition for the Session
Description Protocol (SDP) precondition framework. A connectivity
precondition can be used to delay session establishment or
modification until media stream connectivity has been successfully
verified. The method of verification may vary depending on the type
of transport used for the media. For unreliable datagram transports
such as UDP, verification involves probing the stream with data or
control packets. For reliable connection-oriented transports such as
TCP, verification can be achieved simply by successful connection
establishment or by probing the connection with data or control
packets, depending on the situation. [STANDARDS TRACK]
This document is a product of the Multiparty Multimedia Session Control Working Group of the IETF.
This is now a Proposed Standard Protocol.
STANDARDS TRACK: This document specifies an Internet standards track
protocol for the Internet community,and requests discussion and suggestions
for improvements. Please refer to the current edition of the Internet
Official Protocol Standards (STD 1) for the standardization state and
status of this protocol. Distribution of this memo is unlimited.
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