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Protocol for Access Node Control Mechanism in Broadband Networks
RFC 6320

Internet Engineering Task Force (IETF)                         S. Wadhwa
Request for Comments: 6320                                Alcatel-Lucent
Category: Standards Track                                     J. Moisand
ISSN: 2070-1721                                         Juniper Networks
                                                                T.  Haag
                                                        Deutsche Telekom
                                                                N. Voigt
                                                  Nokia Siemens Networks
                                                          T. Taylor, Ed.
                                                     Huawei Technologies
                                                            October 2011

    Protocol for Access Node Control Mechanism in Broadband Networks

Abstract

   This document describes the Access Node Control Protocol (ANCP).
   ANCP operates between a Network Access Server (NAS) and an Access
   Node (e.g., a Digital Subscriber Line Access Multiplexer (DSLAM)) in
   a multi-service reference architecture in order to perform operations
   related to Quality of Service, service, and subscribers.  Use cases
   for ANCP are documented in RFC 5851.  As well as describing the base
   ANCP protocol, this document specifies capabilities for Digital
   Subscriber Line (DSL) topology discovery, line configuration, and
   remote line connectivity testing.  The design of ANCP allows for
   protocol extensions in other documents if they are needed to support
   other use cases and other access technologies.

   ANCP is based on the General Switch Management Protocol version 3
   (GSMPv3) described in RFC 3292, but with many modifications and
   extensions, to the point that the two protocols are not
   interoperable.  For this reason, ANCP was assigned a separate version
   number to distinguish it.

Status of This Memo

   This is an Internet Standards Track document.

   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).  Further information on
   Internet Standards is available in Section 2 of RFC 5741.

   Information about the current status of this document, any errata,
   and how to provide feedback on it may be obtained at
   http://www.rfc-editor.org/info/rfc6320.

Wadhwa, et al.               Standards Track                    [Page 1]
RFC 6320                      ANCP Protocol                 October 2011

Copyright Notice

   Copyright (c) 2011 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents
   (http://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
   to this document.  Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

   This document may contain material from IETF Documents or IETF
   Contributions published or made publicly available before November
   10, 2008.  The person(s) controlling the copyright in some of this
   material may not have granted the IETF Trust the right to allow
   modifications of such material outside the IETF Standards Process.
   Without obtaining an adequate license from the person(s) controlling
   the copyright in such materials, this document may not be modified
   outside the IETF Standards Process, and derivative works of it may
   not be created outside the IETF Standards Process, except to format
   it for publication as an RFC or to translate it into languages other
   than English.

Table of Contents

   1. Introduction ....................................................5
      1.1. Historical Note ............................................6
      1.2. Requirements Language ......................................6
      1.3. Terminology ................................................6
   2. Broadband Access Aggregation ....................................8
      2.1. ATM-Based Broadband Aggregation ............................8
      2.2. Ethernet-Based Broadband Aggregation .......................9
   3. Access Node Control Protocol -- General Aspects ................10
      3.1. Protocol Version ..........................................10
      3.2. ANCP Transport ............................................10
      3.3. Encoding of Text Fields ...................................11

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