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Re: [Rift] Ipv4 and ipv6 cooperating in rift

Alvaro Retana <aretana.ietf@gmail.com> Thu, 11 July 2019 15:15 UTC

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From: Alvaro Retana <aretana.ietf@gmail.com>
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To: Antoni Przygienda <prz=40juniper.net@dmarc.ietf.org>, "xu.benchong@zte.com.cn" <xu.benchong@zte.com.cn>
Cc: "rift@ietf.org" <rift@ietf.org>, "EXT-zhang.zheng@zte.com.cn" <zhang.zheng@zte.com.cn>, "Jeffrey (Zhaohui) Zhang" <zzhang@juniper.net>
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Subject: Re: [Rift] Ipv4 and ipv6 cooperating in rift
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On July 10, 2019 at 11:05:40 AM, Antoni Przygienda (
prz=40juniper.net@dmarc.ietf.org) wrote:

Hi!

I might be jumping in without proper context, but this text caught my
attention...

b) If you want the "laziest" possible implementation then in fact yes, you
can fall back on

"

All RIFT routers MUST support IPv4 forwarding and MAY support IPv6
   forwarding.  A three way adjacency over IPv6 addresses implies
   support for IPv4 forwarding.

"

…because the WG Charter says that "The protocol must support IPv6 and
should also support IPv4.”   So the text above contradicts the Charter.

Alvaro.

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