Internet Engineering Task Force (IETF) S. Ooghe
Request for Comments: 5851 Alcatel-Lucent
Category: Informational N. Voigt
ISSN: 2070-1721 Nokia Siemens Networks
M. Platnic
ECI Telecom
T. Haag
Deutsche Telekom
S. Wadhwa
Juniper Networks
May 2010
Framework and Requirements for an Access Node Control Mechanism
in Broadband Multi-Service Networks
Abstract
The purpose of this document is to define a framework for an Access
Node Control Mechanism 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 service, quality of service, and
subscribers. The Access Node Control Mechanism will ensure that the
transmission of the information does not need to go through distinct
element managers but rather uses a direct device-device
communication. This allows for performing access-link-related
operations within those network elements, while avoiding impact on
the existing Operational Support Systems.
This document first identifies a number of use cases for which the
Access Node Control Mechanism may be appropriate. It then presents
the requirements for the Access Node Control Protocol (ANCP) that
must be taken into account during protocol design. Finally, it
describes requirements for the network elements that need to support
ANCP and the described use cases. These requirements should be seen
as guidelines rather than as absolute requirements. RFC 2119
therefore does not apply to the nodal requirements.
Ooghe, et al. Informational [Page 1]RFC 5851 ANCP Framework May 2010Status 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 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/rfc5851.
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Ooghe, et al. Informational [Page 2]RFC 5851 ANCP Framework May 2010Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.1. Requirements Notation . . . . . . . . . . . . . . . . . . 5
1.2. Definitions . . . . . . . . . . . . . . . . . . . . . . . 5
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