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 : Enterprise Multihoming using Provider-Assigned IPv6
Addresses without Network Prefix Translation: Requirements and Solutions
Authors : Fred Baker
Chris Bowers
Jen Linkova
Filename : draft-ietf-rtgwg-enterprise-pa-multihoming-11.txt
Pages : 51
Date : 2019-07-03
Abstract:
Connecting an enterprise site to multiple ISPs over IPv6 using
provider-assigned addresses is difficult without the use of some form
of Network Address Translation (NAT). Much has been written on this
topic over the last 10 to 15 years, but it still remains a problem
without a clearly defined or widely implemented solution. Any
multihoming solution without NAT requires hosts at the site to have
addresses from each ISP and to select the egress ISP by selecting a
source address for outgoing packets. It also requires routers at the
site to take into account those source addresses when forwarding
packets out towards the ISPs.
This document examines currently available mechanisms for providing a
solution to this problem for a broad range of enterprise topologies.
It covers the behavior of routers to forward traffic taking into
account source address, and it covers the behavior of hosts to select
appropriate default source addresses. It also covers any possible
role that routers might play in providing information to hosts to
help them select appropriate source addresses. In the process of
exploring potential solutions, this document also makes explicit
requirements for how the solution would be expected to behave from
the perspective of an enterprise site network administrator.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-rtgwg-enterprise-pa-multihoming/
There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-rtgwg-enterprise-pa-multihoming-11
https://datatracker.ietf.org/doc/html/draft-ietf-rtgwg-enterprise-pa-multihoming-11
A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-rtgwg-enterprise-pa-multihoming-11
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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