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RFC 7041
Title: Extensions to the Virtual Private LAN
Service (VPLS) Provider Edge (PE) Model
for Provider Backbone Bridging
Author: F. Balus, Ed.,
A. Sajassi, Ed.,
N. Bitar, Ed.
Status: Informational
Stream: IETF
Date: November 2013
Mailbox: florin.balus@alcatel-lucent.com,
sajassi@cisco.com,
nabil.n.bitar@verizon.com
Pages: 15
Characters: 31236
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-l2vpn-pbb-vpls-pe-model-07.txt
URL: http://www.rfc-editor.org/rfc/rfc7041.txt
The IEEE 802.1 Provider Backbone Bridges (PBBs) specification defines
an architecture and bridge protocols for interconnection of multiple
Provider Bridged Networks (PBNs). Provider backbone bridging was
defined by IEEE as a connectionless technology based on multipoint
VLAN tunnels. PBB can be used to attain better scalability than
Provider Bridges (PBs) in terms of the number of customer Media
Access Control addresses and the number of service instances that can
be supported.
The Virtual Private LAN Service (VPLS) provides a framework for
extending Ethernet LAN services, using MPLS tunneling capabilities,
through a routed MPLS backbone without running the Rapid Spanning
Tree Protocol (RSTP) or the Multiple Spanning Tree Protocol (MSTP)
across the backbone. As a result, VPLS has been deployed on a large
scale in service provider networks.
This document discusses extensions to the VPLS Provider Edge (PE)
model required to incorporate desirable PBB components while
maintaining the service provider fit of the initial model.
This document is a product of the Layer 2 Virtual Private Networks Working Group of the IETF.
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