Re: [arch-d] Fiddling with IP packets in the network, IPv6-style (Fwd: Question about SRv6 Insert function)

Fernando Gont <fgont@si6networks.com> Thu, 05 September 2019 13:05 UTC

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To: Tony Li <tony1athome@gmail.com>
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From: Fernando Gont <fgont@si6networks.com>
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Subject: Re: [arch-d] Fiddling with IP packets in the network, IPv6-style (Fwd: Question about SRv6 Insert function)
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On 5/9/19 04:37, Tony Li wrote:
>> Besides procedural issues, the ultimate implications of this is that
>> we're formally introducing middle-boxes that fiddle with packets in the
>> middle of the network.
> 
> 
> Didn’t we have this same discussion 25 years ago on NAT boxes?
> 
> The fact of the matter is that the IETF is completely helpless to
> prevent such things. 
> True, it can block standardization, but if the market wants it, the
> market will drive it
> and all that the IETF does is to make itself irrelevant to the process.

Or it could at least push for the cleaner options: e.g., I see no reason
for doing eh-insertion as opposed to encapsulating the packet into a new
ipv6 packet, and create that packets with the headers you need.




>> Isn't this within the kind of stuff the IAB has interest on?
> 
> 
> If it were, the first complaint would be about SRv6 itself.
> 
> The IAB’s only role is that of genteel education and it’s a target rich
> environment.

So... who cares about architecture, then?

Thanks!

Cheers,
-- 
Fernando Gont
SI6 Networks
e-mail: fgont@si6networks.com
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