Internet Drafts - IDs for May/2006
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05/05/2006
| Provisioning,Autodiscovery,and Signaling in L2VPNs | |||||||||||||||||
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Provider Provisioned Layer 2 Virtual Private Networks (L2VPNs) may have different "provisioning models", i.e., models for what information needs to be configured in what entities. Once configured, the provisioning information is distributed by a "discovery process". When the discovery process is complete, a signaling protocol is automatically invoked to set up the mesh of Pseudowires (PWs) that form the (virtual) backbone of the L2VPN. This document specifies a number of L2VPN provisioning models, and further specifies the semantic structure of the endpoint identifiers required by each model. It discusses the distribution of these identifiers by the discovery process, especially when discovery is based on the Border Gateway Protocol (BGP). It then specifies how the endpoint identifiers are carried in the two signaling protocols that are used to set up PWs, the Label Distribution Protocol (LDP) and the Layer 2 Tunneling Protocol (L2TPv3). | ||||||||||||||||
