A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Multiparty Multimedia Session Control Working Group
of the IETF.
Title : SDP Source-Filters
Author(s) : B. Quinn
Filename : draft-ietf-mmusic-sdp-srcfilter-00.txt
Pages : 10
Date : 04-May-00
This document describes how to adapt the Session Description Protocol
(SDP) to express one or more source addresses as a source filter for
one or more destination 'connection' addresses. It defines the syntax
and semantics for an SDP 'source-filter' attribute that may reference
either IPv4 or IPv6 address(es) as either an inclusive or exclusive
source list for either multicast or unicast destinations.
Receiver applications are expected use the SDP source-filter
information to identify traffic from legitimate senders and discard
traffic from illegitimate senders. Applications and hosts may also
share the source-filter information with network elements (e.g., with
routers using IGMPv3) so they can potentially perform the traffic
filtering operation further 'upstream,' closer to the source(s).
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