I-D ACTION:draft-vainshtein-pwe3-tdm-control-protocol-extensi-00.txt

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	Title		: Control Protocol Extensions for Setup of TDM Pseudowires
	Author(s)	: S. Vainshtein
	Filename	: draft-vainshtein-pwe3-tdm-control-protocol-extensi-00.txt
	Pages		: 8
	Date		: 2004-2-9
	
This document defines extension to the PWE3 control protocol [PWE3-
CONTROL] and PWE3 IANA allocations [PWE3-IANA] required for setup of
TDM pseudowires.

Structure-agnostic TDM pseudowires have been specified in [PWE3-SAToP]
and structure-aware ones in [PWE3-CESoPSN] and [PWE3-TDMoIP].

[PWE3-CONTROL] defines extensions of LDP [RFC3036] that are required to
exchange PW labels for PWs emulating various Layer 2 services
(Ethernet, FR, ATM, HDLC etc.). Setup of TDM PWs requires both
interpretation of the existing information elements of these extensions
and exchange of additional information.

Setup of TDM PWs using L2TPv3 will be defined in a separate document.

Status of attachment circuits of TDM PWs can be exchanged between the
terminating PEs using the mechanism defined in [PWE3-CONTROL] and
[SHAH-PWE3-CONTROL-EXT] without any changes. However, usage of these
mechanisms with TDM PWs is NOT RECOMMENDED since indication of status
of the TDM attachment circuits is carried in-band in the data plane.

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