This version clarifies the checksum calculation for both IPv4 and IPv6. Thanks for Alexander Okonnikov for pointing out the ambiguity in RFC 5798.
Thanks, Acee > On Jan 23, 2023, at 9:55 AM, [email protected] wrote: > > > A New Internet-Draft is available from the on-line Internet-Drafts > directories. > This draft is a work item of the Routing Area Working Group WG of the IETF. > > Title : Virtual Router Redundancy Protocol (VRRP) Version 3 > for IPv4 and IPv6 > Authors : Acee Lindem > Aditya Dogra > Filename : draft-ietf-rtgwg-vrrp-rfc5798bis-02.txt > Pages : 42 > Date : 2023-01-23 > > Abstract: > This document defines the Virtual Router Redundancy Protocol (VRRP) > for IPv4 and IPv6. It is version three (3) of the protocol, and it > is based on VRRP (version 2) for IPv4 that is defined in RFC 3768 and > in "Virtual Router Redundancy Protocol for IPv6". VRRP specifies an > election protocol that dynamically assigns responsibility for a > virtual router to one of the VRRP routers on a LAN. The VRRP router > controlling the IPv4 or IPv6 address(es) associated with a virtual > router is called the VRRP Active Router, and it forwards packets sent > to these IPv4 or IPv6 addresses. VRRP Active Routers are configured > with virtual IPv4 or IPv6 addresses, and VRRP Backup Routers infer > the address family of the virtual addresses being advertised based on > the IP protocol version. Within a VRRP router, the virtual routers > in each of the IPv4 and IPv6 address families are independent of one > another. The election process provides dynamic failover in the > forwarding responsibility should the Active Router become > unavailable. For IPv4, the advantage gained from using VRRP is a > higher-availability default path without requiring configuration of > dynamic routing or router discovery protocols on every end-host. For > IPv6, the advantage gained from using VRRP for IPv6 is a quicker > switchover to Backup Routers than can be obtained with standard IPv6 > Neighbor Discovery mechanisms. > > The VRRP terminology has been updated conform to inclusive language > guidelines for IETF technologies. The IETF has designated National > Institute of Standards and Technology (NIST) "Guidance for NIST Staff > on Using Inclusive Language in Documentary Standards" for its > inclusive language guidelines. This document obsoletes VRRP Version > 3 [RFC5798]. > > > The IETF datatracker status page for this draft is: > https://datatracker.ietf.org/doc/draft-ietf-rtgwg-vrrp-rfc5798bis/ > > There is also an HTML version available at: > https://www.ietf.org/archive/id/draft-ietf-rtgwg-vrrp-rfc5798bis-02.html > > A diff from the previous version is available at: > https://author-tools.ietf.org/iddiff?url2=draft-ietf-rtgwg-vrrp-rfc5798bis-02 > > > Internet-Drafts are also available by rsync at rsync.ietf.org::internet-drafts > > > _______________________________________________ > rtgwg mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/rtgwg _______________________________________________ rtgwg mailing list [email protected] https://www.ietf.org/mailman/listinfo/rtgwg
