[ipv6hackers] the end is near (or for IPv6: the beginning)

Tim Chown tjc at ecs.soton.ac.uk
Tue Jan 28 12:56:40 CET 2014

On 28 Jan 2014, at 11:45, "Schmoll, Carsten" <carsten.schmoll at fokus.fraunhofer.de> wrote:

> Dear Jim, all,
> I'd kindly like to challenge the following statement, if only the "many" in it:
>> NAT Challenges:
>> * Many applications use embedded addresses which is broken by NAT
> I'd like to learn which application are these (still).  At a quick glance only the following ones come to my mind:
> * active FTP
> * SIP?
> * XMPP?
> * selected proprietary ones
> Don't seem to be 'many' so far ...

Any application that passes IP addresses between peers to avoid DNS dependencies.

> Further to that, I am curious, which applications are currently limited and harmed by
>> * Restricts inbound connections (obviously with many limitations)
> or, asked vice versa, which ones would benefit most from direct end-to-end connectivity (where allowed)?
> I can think of direct E2E/P2P in the form of audio(SIP/RTP), video, data (think e.g. torrents) transmission, but which one(s) would benefit/grow the most?

Lose the NATs and we'll find out... there should be obvious benefits to truly decentralised secure messaging systems.

Of course there is still firewall traversal, potentially...


> Best regards
> Carsten
> --  
> "With great power comes great responsibility! What power, you ask?  UNIX root privileges."
> Carsten Schmoll
> Fraunhofer FOKUS
> www.fokus.fraunhofer.de
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