A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Layer Two Tunneling Protocol Extensions Working Group of the IETF.
Title : Signaling and Encapsulation for the Transport of IP over L2TPv3
Author(s) : C. Pignataro, W. Luo
Filename : draft-ietf-l2tpext-pwe3-ip-00.txt
Pages : 19
Date : 2005-10-11
The Layer 2 Tunneling Protocol, Version 3, (L2TPv3) defines a
protocol for tunneling a variety of data link protocols over IP
networks. These data link protocols must be of the same technology
and the L2TPv3 session carries frames of that technology. However,
if it is known beforehand that the frames to be transported only
carry IP datagrams as payload, it is possible to provide L2TPv3
sessions that connects unlike data link technologies (e.g., ethernet
and PPP). This is achieved by terminating the Layer 2 protocol in
the LCCE and transporting only the IP datagrams over L2TPv3, such
that the L2TPv3 session links uniform Pseudowire terminations (i.e.
IP Transport Pseudowire Type) and an NSP function provides
translation from the AC before presentation to the PW and viceversa.
This document describes the control messaging and encapsulation
specifics of how to tunnel IP datagrams directly over L2TPv3 to allow
for connecting different data link technologies in an interworking
fashion.
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