Re: Generic anycast addresses...

Michael Richardson <mcr+ietf@sandelman.ca> Thu, 30 May 2019 14:34 UTC

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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: Mark Smith <markzzzsmith@gmail.com>
cc: Toerless Eckert <tte@cs.fau.de>, "6man@ietf.org" <6man@ietf.org>, Bob Hinden <bob.hinden@gmail.com>, Dave Thaler <dthaler@microsoft.com>
Subject: Re: Generic anycast addresses...
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Date: Thu, 30 May 2019 10:33:57 -0400
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Mark Smith <markzzzsmith@gmail.com> wrote:
    > The problem with the Site-Local unicast address space is that multiple
    > nodes holding the same unicast address (as in, meant to permanently
    > and exclusively identify one and only one node - "uni") is a fault.
    > The Site-Local unicast address space inadvertently created a potential
    > fault condition by design because it created unicast address
    > ambiguity.

    > Multiple nodes intentionally holding the same anycast address (as in,
    > not permanently exclusive to one and only one node) is not a fault and
    > is expected.

So maybe site-local space can be used for scoped anycast?

--
Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
 -= IPv6 IoT consulting =-