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Concepts and Terminology for Peer-to-Peer SIP (P2PSIP) (RFC7890) Disclosure Number: IPCOM000246758D
Original Publication Date: 2016-Jun-01
Included in the Prior Art Database: 2016-Jun-29
Document File: 38 page(s) / 45K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

D. Bryan: AUTHOR [+5]


One of the fundamental problems in multimedia communication between Internet nodes is the rendezvous problem, or discovering the host at which a given user can be reached. In the Session Initiation Protocol (SIP) [RFC3261], this problem is expressed as the problem of mapping an Address of Record (AoR) for a user into one or more Contact URIs [RFC3986]. The AoR is a name for the user that is independent of the host or hosts where the user can be contacted, while a Contact URI indicates the host where the user can be contacted.

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Internet Engineering Task Force (IETF)                          D. Bryan Request for Comments: 7890                             Cogent Force, LLC Category: Informational                                      P. Matthews ISSN: 2070-1721                                                    Nokia                                                                  E. Shim                                            Samsung Electronics Co., Ltd.                                                                D. Willis                                                        Softarmor Systems                                                               S. Dawkins                                                             Huawei (USA)                                                                June 2016

          Concepts and Terminology for Peer-to-Peer SIP (P2PSIP)


   This document defines concepts and terminology for using the Session    Initiation Protocol in a peer-to-peer environment where the    traditional proxy-registrar and message-routing functions are    replaced by a distributed mechanism.  These mechanisms may 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 problems addressed by the P2PSIP working    group, the REsource LOcation And Discovery (RELOAD) protocol, and the    SIP usage document defined by the working group.

Status of This Memo

   This document is not an Internet Standards Track specification; it is    published for informational purposes.

   This document is a product of the Internet Engineering Task Force    (IETF).  It represents the consensus of the IETF community.  It has    received public review and has been approved for publication by the    Internet Engineering Steering Group (IESG).  Not all documents    approved by the IESG are a candidate for any level of Internet    Standard; see Section 2 of RFC 7841.

   Information about the current status of this document, any errata,    and how to provide feedback on it may be obtained at

Bryan, et al.                 Informational  ...