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Re: [Tsv-art] HbH flags [Tsvart last call review of draft-ietf-opsec-ipv6-eh-filtering-06]

Joe Touch <touch@strayalpha.com> Thu, 06 December 2018 05:31 UTC

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From: Joe Touch <touch@strayalpha.com>
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Date: Wed, 05 Dec 2018 21:31:32 -0800
Cc: tsv-art@ietf.org, opsec wg mailing list <opsec@ietf.org>, draft-ietf-opsec-ipv6-eh-filtering.all@ietf.org, ietf <ietf@ietf.org>
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To: Christopher Morrow <morrowc.lists@gmail.com>
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Subject: Re: [Tsv-art] HbH flags [Tsvart last call review of draft-ietf-opsec-ipv6-eh-filtering-06]
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Additionally, packets don’t emerge from different mole endpoints or are IP  processed in any way. The mold acts like a wire, which is fine. That can be done by IP tunnels too. But not routers that converge and diverge packets. 

Again, if HBH headers are meaningless and not needed, then go through the proper process and remove them from IPv6. If not, stop trying to hobble this protocol to the point where we all realize why nobody wants to use it. 

> On Dec 5, 2018, at 9:22 PM, Joe Touch <touch@strayalpha.com> wrote:
> 
> 
> 
>> On Dec 5, 2018, at 9:01 PM, Christopher Morrow <morrowc.lists@gmail.com> wrote:
>> 
>> How is it, for example, different to put ipv6 packets into an MPLS path doing nothing along 'many' hops (except forwarding the packets along), and then once you pop out of the tunnel start processing the packet as you (joe) would want.
> 
> The hopcount doesn’t get decremented by L2. 
> 
> Joe

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