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BGP Autodiscovery VPLS: BGP advertisement for a particular VSI at a given PE will contain: an NLRI of AFI = L2VPN1, SAFI = TBD2, encoded as RD:PE_addr a BGP next hop equal to the loopback address of the PE extended community attribute containing one or more RTs VPWS: BGP advertisement for a pool of attachment circuits at a given PE will contain: an NLRI of AFI = L2VPN1, SAFI = TBD2, encoded as RD:pool_num a BGP next hop equal to the loopback address of the PE extended community attribute containing one or more RTs 1. Same for all L2VPN schemes (e.g. vpls-bgp) 2. Same value for both cases in this draft |