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[straw] FW: RFC 7092 on A Taxonomy of Session Initiation Protocol (SIP) Back-to-Back User Agents

Christer Holmberg <christer.holmberg@ericsson.com> Sat, 21 December 2013 18:10 UTC

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From: Christer Holmberg <christer.holmberg@ericsson.com>
To: "straw@ietf.org" <straw@ietf.org>
Thread-Topic: [straw] RFC 7092 on A Taxonomy of Session Initiation Protocol (SIP) Back-to-Back User Agents
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Date: Sat, 21 Dec 2013 18:10:08 +0000
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Subject: [straw] FW: RFC 7092 on A Taxonomy of Session Initiation Protocol (SIP) Back-to-Back User Agents
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(As co-chair)

Folks, our first RFC has been published! Thank You to everyone who made this happen! :)

Regards,

Christer & Victor


________________________________________
From: straw [straw-bounces@ietf.org] on behalf of rfc-editor@rfc-editor.org [rfc-editor@rfc-editor.org]
Sent: Friday, 20 December 2013 11:23 PM
To: ietf-announce@ietf.org; rfc-dist@rfc-editor.org
Cc: drafts-update-ref@iana.org; straw@ietf.org; rfc-editor@rfc-editor.org
Subject: [straw] RFC 7092 on A Taxonomy of Session Initiation Protocol (SIP)    Back-to-Back User Agents

A new Request for Comments is now available in online RFC libraries.


        RFC 7092

        Title:      A Taxonomy of Session Initiation
                    Protocol (SIP) Back-to-Back User Agents
        Author:     H. Kaplan, V. Pascual
        Status:     Informational
        Stream:     IETF
        Date:       December 2013
        Mailbox:    hadriel.kaplan@oracle.com,
                    victor.pascual@quobis.com
        Pages:      10
        Characters: 22085
        Updates/Obsoletes/SeeAlso:   None

        I-D Tag:    draft-ietf-straw-b2bua-taxonomy-03.txt

        URL:        http://www.rfc-editor.org/rfc/rfc7092.txt

In many SIP deployments, SIP entities exist in the SIP signaling path
between the originating and final terminating endpoints, which go
beyond the definition of a SIP proxy, performing functions not
defined in Standards Track RFCs.  The only term for such devices
provided in RFC 3261 is for a Back-to-Back User Agent (B2BUA), which
is defined as the logical concatenation of a SIP User Agent Server
(UAS) and User Agent Client (UAC).

There are numerous types of SIP B2BUAs performing different roles in
different ways; for example, IP Private Branch Exchanges (IPBXs),
Session Border Controllers (SBCs), and Application Servers (ASs).
This document identifies several common B2BUA roles in order to
provide taxonomy other documents can use and reference.

This document is a product of the Sip Traversal Required for Applications to Work Working Group of the IETF.


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