Re: [v6ops] ULA draft revision #2 Regarding isolated networks

Brian E Carpenter <brian.e.carpenter@gmail.com> Thu, 29 May 2014 04:00 UTC

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Date: Thu, 29 May 2014 16:00:31 +1200
From: Brian E Carpenter <brian.e.carpenter@gmail.com>
Organization: University of Auckland
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To: Randy Bush <randy@psg.com>
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Subject: Re: [v6ops] ULA draft revision #2 Regarding isolated networks
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On 29/05/2014 15:44, Randy Bush wrote:
>>> red herring.  global prefixes designed to be used in place of ula should
>>> not be in the global routing table
>> Indeed they shouldn't, but since everybody should be filtering ULAs
>> (and most people will do so), ULAs won't propagate but routeable GUAs
>> might.
> 
> explain why the two probability distributions will differ

Because I have considerable confidence that the majority of transit
operators will know they need to filter fc00::/7, but the same cannot
be said of arbitrary /48s from RIR space.

    Brian