A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Service Mediation between Layer-2 and PWE3/L2VPN Networks
Author(s) : H. Ould-Brahim, et al.
Filename : draft-ouldbrahim-l2vpn-service-mediation-01.txt
Pages : 15
Date : 2004-10-26
[SWALLOW-IW] describes an approach for interworking a native
ATM SPVC segment with an ATM/FR-based pseudowire. The approach
requires that an ATM edge device to encode the remote MPLS
provider edge IP address within the NSAP destination address
per call-basis, and covers mostly ATM and FRF.8 specifications.
This draft covers other scenarios where a) the native layer-2
edge doesnÆt have a priori knowledge of the remote PE IP
addresses, b) the Layer-2 Provider Edge and the layer-2 network
can be native Frame Relay (FR) using native layer-2 signaling
protocols, c) the native layer-2 network can use not only NSAP
addressing but as well E.164, X.121, or any preferred native
addressing scheme, and d) the interface between the MPLS/IP
network and native layer-2 network can be FRF.10/X.76
interface. We refer to the above problem space as "Service
Mediation" to indicate that the native layer-2 signaling is
terminated at the MPLS/IP device attached to the layer-2
network and the "mediated" service is an end-to-end connection
built from two segments: one segment is in its native layer-2
form which we denote as Native Wire (NW) established using
native layer-2 signaling protocols and the other segment is a
pseudowire (PW) established using PWE3/L2VPN signaling
protocols.
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-ouldbrahim-l2vpn-service-mediation-01.txt
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