A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : L2TP Circuit Emulation Services Extension
Author(s) : D. McPherson, R. Bhat, A. Koscinski, C. Ho
Filename : draft-mcpherson-l2tp-es-00.txt
Pages : 7
Date : 04-May-00
The Layer 2 Tunneling Protocol (L2TP) [RFC2661] defines a mechanism
for tunneling PPP sessions. This document proposes mechanisms by
which the L2TP tunneling scheme can be used to provide circuit
emulation support for layer 2 circuits (i.e. Frame Relay or ATM), as
well as TDM circuits (i.e. DS1 or DS3). L2TP is used to provide
tunneling support and each circuit is encapsulated over a session
inside the Tunnel.
An Encapsulation Services Protocol [RefESP] is used on top of the
individual L2TP sessions to support the circuit emulation of layer
2 VCs or TDM circuits. The purpose of this document is to explain
the L2TP modifications done to facilitate support of circuit
emulation services, as well as to define the additional AVPs that can
be used to provide the service.
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