Background BGP Encapsulation SAFI and BGP Tunnel Encapsulation Attribute (draft-ietf-idr-encaps-safi-00.txt) Enables encapsulation of traffic to a particular BGP next hop – per Softwires framework Defines Generic Encapsulation NLRI L2TPv3 and GRE tunnel types BGP IPSec Tunnel Encapsulation Attribute Builds on encaps-safi Adds IPspec tunnel types |