Concepts and Terminology for Peer to Peer SIP

Document Type Replaced Internet-Draft (individual)
Author Dean Willis 
Last updated 2007-07-12 (latest revision 2007-03-06)
Replaced by RFC 7890, RFC 7890
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IESG IESG state Replaced by draft-ietf-p2psip-concepts, draft-ietf-p2psip-concepts
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This Internet-Draft is no longer active.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 concepts and terminology for use of the Session Initiation Protocol in a peer-to-peer environment where the traditional proxy-registrar function is replaced by a distributed mechanism that might be implemented using a distributed hash table or other distributed data mechanism with similar external properties. This document includes a high-level view of the functional relationships between the network elements defined herein, a conceptual model of operations, and an outline of the related open problems that might be addressed by an IETF working group.


Dean Willis (

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