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I-D ACTION:draft-ietf-l2vpn-signaling-00.txt

A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Layer 2 Virtual Private Networks Working Group of the IETF.

	Title		: Provisioning Models and Endpoint Identifiers in L2VPN 
	Author(s)	: E. Rosen, V. Radoaca
	Filename	: draft-ietf-l2vpn-signaling-00.txt
	Pages		: 22
	Date		: 2003-9-5
[PWE3-CONTROL] specifies a 'signaling protocol' which uses extensions
of LDP [RFC 3036] to set up and maintain pseudowires [PWE3-ARCH].
Like any protocol which sets up connections, the signaling protocol
provides a method by which each endpoint can identify the other.
[L2VPN-FW] describes a number of different ways in which sets of
pseudowires may be combined together into 'Provider Provisioned Layer
2 VPNs' (L2 PPVPNs, or L2VPNs), resulting in a number of different
kinds of L2VPN.  Different kinds of L2VPN may have different
'provisioning models', i.e., different models for what information
needs to be configured in what entities. Once configured, the
provisioning information is distributed by a 'discovery process', and
once the information is discovered, the signaling protocol is
automatically invoked to set up the required pseudowires.  The
semantics of the endpoint identifiers which the signaling protocol
uses for a particular type of L2VPN are determined by the
provisioning model.  This document specifies a number of PPVPN
provisioning models, and specifies the semantic structure of the
endpoint identifiers required. It further specifies how the endpoint
identifiers are carried in the 'Generalized Identifier FEC' of
[PWE3-CONTROL].  It is believed that the specified identifiers can
also be carried within the L2TP signaling protocol, though this is
currently not specified.

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