I-D Action: draft-mishra-bess-ipv4nlri-ipv6nh-use-cases-05.txt
internet-drafts@ietf.org Fri, 30 October 2020 06:34 UTC
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A New Internet-Draft is available from the on-line Internet-Drafts directories. Title : IPv4 NLRI with IPv6 Next Hop Use Cases Authors : Gyan Mishra Mankamana Mishra Jeff Tantsura Filename : draft-mishra-bess-ipv4nlri-ipv6nh-use-cases-05.txt Pages : 16 Date : 2020-10-29 Abstract: As Enterprises and Service Providers upgrade their brown field or green field MPLS/SR core to an IPv6 transport such as MPLS LDPv6, SR- MPLSv6 or SRv6, Multiprotocol BGP (MP-BGP)now plays an important role in the transition of the core from IPv4 to IPv6 being able to continue to support legacy IPv4, VPN-IPv4, and Multicast VPN IPv4 customers. This document describes the critical use case and OPEX savings of being able to leverage the MP-BGP capability exchange usage as a pure transport allowing both IPv4 and IPv6 to be carried over the same BGP TCP session. By doing so, allows for the elimination of Dual Stacking on the PE-CE connections making the peering IPv6-ONLY to now carry both IPv4 and IPv6 Network Layer Reachability Information (NLRI). This document now provides a solution for IXPs (Internet Exchange points) that are facing IPv4 address depletion at these peering points to use BGP-MP capability exchange defined in [RFC5549] to carry IPv4 (Network Layer Reachability Information) NLRI in an IPv6 next hop using the [RFC5565] softwire mesh framework. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-mishra-bess-ipv4nlri-ipv6nh-use-cases/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-mishra-bess-ipv4nlri-ipv6nh-use-cases-05 https://datatracker.ietf.org/doc/html/draft-mishra-bess-ipv4nlri-ipv6nh-use-cases-05 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-mishra-bess-ipv4nlri-ipv6nh-use-cases-05 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/
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