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Re: Bringing back Internet transparency

2013-07-31 09:27:57
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Hi Hannes,

On 30.07.2013 14:35, Hannes Tschofenig wrote:
I raised the need for this transparency in this writeup: 
http://tools.ietf.org/html/draft-tschofenig-hourglass-00

The document also points to some projects / paper I am aware of
that are relevant. There may be more.

Thanks for the pointer. However, the tone of the
draft seems to suggest accepting that we now have
to stick to TCP/HTTP(S) only...

Section 5 (Will IPv6 reverse the shift?) is interesting,
but I disagree with the conclusion:

   Another reason is that the IPv6 Internet will certainly be filled
   with firewalls, and if history is any guide for the future, only TCP
   and UDP are likely to work through such firewalls.

That shows exactly the point that we need to work on. I see no reason
why IPv6 firewalls should be constrained to let only UDP/TCP through.
We should rather provide some guidance so that we still leave open
the way for deploying innovations in the network. I clearly see the
need for deploying security solutions like firewalls, IDSs and so on.
But IMHO that doesn't mean to block every future useful development, too.

Regards,
 Roland
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