An Alternative Connection Model for the Message Session Relay Protocol (MSRP)

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Last updated 2008-05-21
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document defines an alternative connection model for MSRP UAs. The model differs from the standard MSRP model, as defined in RFC4975 and RFC4976, in that it uses SDP in a more conventional way when it comes to conveying endpoint address information, and also uses mainstream mechanisms for NAT traversal instead of using MSRP relays.


Staffan Blau (
Christer Holmberg (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)