{"draft":"draft-ietf-l3vpn-gre-ip-2547-05","doc_id":"RFC4797","title":"Use of Provider Edge to Provider Edge (PE-PE) Generic Routing Encapsulation (GRE) or IP in BGP\/MPLS IP Virtual Private Networks","authors":["Y. Rekhter","R. Bonica","E. Rosen"],"format":["ASCII","HTML"],"page_count":"10","pub_status":"INFORMATIONAL","status":"INFORMATIONAL","source":"Layer 3 Virtual Private Networks INT","abstract":"This document describes an implementation strategy for BGP\/MPLS IP\r\nVirtual Private Networks (VPNs) in which the outermost MPLS label\r\n(i.e., the tunnel label) is replaced with either an IP header or an\r\nIP header with Generic Routing Encapsulation (GRE).\r\n\r\nThe implementation strategy described herein enables the deployment\r\nof BGP\/MPLS IP VPN technology in networks whose edge devices are MPLS\r\nand VPN aware, but whose interior devices are not.  This memo provides information for the Internet community.","pub_date":"January 2007","keywords":["L3VPN GRE encapsulation"],"obsoletes":[],"obsoleted_by":[],"updates":[],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC4797","errata_url":null}