Document Action: 'Enterprise Multihoming using Provider-Assigned IPv6 Addresses without Network Prefix Translation: Requirements and Solutions' to Informational RFC (draft-ietf-rtgwg-enterprise-pa-multihoming-12.txt)
The IESG <iesg-secretary@ietf.org> Mon, 19 August 2019 14:23 UTC
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From: The IESG <iesg-secretary@ietf.org>
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Subject: Document Action: 'Enterprise Multihoming using Provider-Assigned IPv6 Addresses without Network Prefix Translation: Requirements and Solutions' to Informational RFC (draft-ietf-rtgwg-enterprise-pa-multihoming-12.txt)
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Cc: Ron Bonica <rbonica@juniper.net>, The IESG <iesg@ietf.org>, rbonica@juniper.net, rtgwg-chairs@ietf.org, draft-ietf-rtgwg-enterprise-pa-multihoming@ietf.org, rfc-editor@rfc-editor.org, martin.vigoureux@nokia.com, rtgwg@ietf.org
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Date: Mon, 19 Aug 2019 07:23:55 -0700
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The IESG has approved the following document: - 'Enterprise Multihoming using Provider-Assigned IPv6 Addresses without Network Prefix Translation: Requirements and Solutions' (draft-ietf-rtgwg-enterprise-pa-multihoming-12.txt) as Informational RFC This document is the product of the Routing Area Working Group. The IESG contact persons are Alvaro Retana, Deborah Brungard and Martin Vigoureux. A URL of this Internet Draft is: https://datatracker.ietf.org/doc/draft-ietf-rtgwg-enterprise-pa-multihoming/ Technical Summary Connecting an enterprise site to multiple ISPs 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 attempts to define a complete solution to this problem. It covers the behavior of routers to forward traffic taking into account source address, and it covers the behavior of host to select appropriate 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. Working Group Summary There was significant discussion on the list and, as a result, the document went through six revisions. However, there was general consensus that the document should be published Document Quality The document does not specify a protocol. However, it does describe a real operational problem. Personnel Ron Bonica is Document Shepherd. Martin Vigoureux is Area Director