A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Multisegment Pseudowires in Passive Optical Networks
Author(s) : R. Zheng, et al.
Filename : draft-li-pwe3-ms-pw-pon-02.txt
Pages : 13
Date : 2010-10-25
This document describes the application of multi-segment pseudowires
(MS-PWs) in a dual-technology environment comprising a Passive
Optical Network (PON) and a Packet Switched Network (PSN).
Static configuration of at least one PW segment is a typical case for
a MS-PW. This is often one of the end segments and, in the case of
mobile backhaul, it is the segment closest to the aggregation device.
But, when MS-PW is implemented in a PON, there may be a very large
number of PW Terminating Provider Edge nodes (T-PEs). This makes
static provisioning a heavy burden for the network manager.
Making use of a Gigabit-capable Passive Optical Network (GPON)
management protocol helps to reduce the labor of configuration,
simplify and speed up the PW provision procedure to a great extent,
and notify to switching Provider Edge node (S-PE) (which is the
Optical Line Termination node (OLT)) of the status of the AC at the
T-PE (which is the Optical Network Unit (ONU)).
This document describes how to end-to-end MPLS MS-PWs can be provided
through the integration of MPLS and GPON provisioning and control
protocols, and describes how the MPLS-PW can be carried by the link
layer of the GPON with penultimate hop popping (PHP). This document
does not make any changes to the mechanisms for MPLS PWs.
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-li-pwe3-ms-pw-pon-02.txt
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