Re: [v6ops] new draft: draft-elkins-v6ops-multicast-virtual-nodes

Randy Bush <randy@psg.com> Thu, 25 September 2014 05:50 UTC

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Date: Thu, 25 Sep 2014 14:50:33 +0900
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From: Randy Bush <randy@psg.com>
To: Nalini Elkins <nalini.elkins@insidethestack.com>
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Cc: draft-elkins-v6ops-multicast-virtual-nodes@tools.ietf.org, V6 Ops List <v6ops@ietf.org>
Subject: Re: [v6ops] new draft: draft-elkins-v6ops-multicast-virtual-nodes
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>>> If I have a 1,000 nodes under my control, then that is how many that 
>>> should be in my AD and BD.  IPv6 allows for large subnets so why not?
>> Because it's a bad idea. IPv4 allows for subnetting at /22 for your 1000 
>> nodes, that doesn't mean it's a good idea.
> This needs a lot more discussion.

discussion is not what is lacking.  in fact, isn't this a repeat of the
same discussion you had last time?  we have decades of too much tragic
experience of layer two not scaling well.  as mikael said, it is a bad
idea.  do not do it.  do not design for it.

randy