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Re: [v6ops] Who is stilll running 6to4 relays (Was: I-D Action: draft-ietf-v6ops-6to4-to-historic-08.txt)

Brian E Carpenter <brian.e.carpenter@gmail.com> Fri, 12 December 2014 19:23 UTC

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Date: Sat, 13 Dec 2014 08:23:43 +1300
From: Brian E Carpenter <brian.e.carpenter@gmail.com>
Organization: University of Auckland
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To: "Metzler, Dan J" <dan-metzler@uiowa.edu>
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Subject: Re: [v6ops] Who is stilll running 6to4 relays (Was: I-D Action: draft-ietf-v6ops-6to4-to-historic-08.txt)
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On 13/12/2014 01:23, Metzler, Dan J wrote:
> 
>> -----Original Message-----
>> From: v6ops [mailto:v6ops-bounces@ietf.org] On Behalf Of Jeroen Massar
>> Sent: Friday, December 12, 2014 1:12 AM
>> To: Brian E Carpenter
>> Cc: v6ops@ietf.org
>> Subject: Re: [v6ops] Who is stilll running 6to4 relays (Was: I-D Action: draft-
>> ietf-v6ops-6to4-to-historic-08.txt)
>>
>> On 2014-11-19 20:29, Brian E Carpenter wrote:
>>> With the same Bcc:
>>>
>>>>    Internet service
>>>>    providers SHOULD filter out routes to 192.88.99.1.
>>> It is pretty clear enough to me (as document editor) that there is no
>>> consensus in the v6ops WG for this sentence, which was added after
>>> some earlier discussion in the WG. The final consensus has to be
>>> judged by the WG chairs, but my guess is that we'll delete that
>>> sentence and leave the decision up to individual operators.
>> Indeed. from my readings indeed most peoples arguments have stated to
>> NOT filter it. Hence removing that sentence would match most people's
>> thoughts/arguments.
> 
> Actually, if that statement is true, then that suggests a statement that recommends "it should NOT be filtered by any ISP" should replace the statement in question.
> "Leaving it up to the operators", is a different message entirely.  (Does not advocate breakage of customer IPv6 connectivity, but does not discourage breakage of customer IPv6 connectivity.)

Not quite. If an operator is aware that a given route to
192.88.99.1 leads to a faulty relay, they might legitimately
decide that it's better for their customers to filter the route.
I don't think the IETF can really say anything definitive.

   Brian

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