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Framework and Requirements for an Access Node Control Mechanism in Broadband Multi-Service Networks (RFC5851)

IP.com Disclosure Number: IPCOM000195582D
Original Publication Date: 2010-May-01
Included in the Prior Art Database: 2010-May-06

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

S. Ooghe: AUTHOR [+5]


Digital Subscriber Line (DSL) technology is widely deployed for Broadband Access for Next Generation Networks. Several documents like Broadband Forum TR-058 [TR-058], Broadband Forum TR-059 [TR-059], and Broadband Forum TR-101 [TR-101] describe possible architectures for these access networks. The scope of these specifications consists of the delivery of voice, video, and data services. The framework defined by this document is targeted at DSL- based access (either by means of ATM/DSL or as Ethernet/DSL). The framework shall be open to other access technologies, such as Passive Optical Networks using DSL technology at the Optical Network Unit (ONU), or wireless technologies like IEEE 802.16. Several use cases such as Access Topology Discovery, Remote Connectivity Test, and Multicast may be applied to these access technologies, but the details of this are outside the scope of this document.

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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


   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                  ...