CGN fixed/hashed nat question

William Herrin bill at herrin.us
Wed Jan 23 22:53:47 UTC 2013


On Wed, Jan 23, 2013 at 10:54 AM, Simon Perreault
<simon.perreault at viagenie.ca> wrote:
> Le 2013-01-23 16:37, William Herrin a écrit :
>> In fact, were someone to use those "worst current practices" to build
>> some generic p2p VPN software, even old games could leverage it to
>> allow someone behind a CGN to host.
>
> http://tools.ietf.org/html/draft-ietf-behave-lsn-requirements
>
> A CGN that obeys these requirements will allow NAT traversal by virtue of
> having an Endpoint-Independent Mapping behaviour. That is the BCP. Not port
> prediction.

Even better. So, architecturally P2P compatibility with CGNs is a
solved problem waiting only for the software to shake out. Expect some
growing pains in the first generation CGNs which largely vanish in the
second.

Regards,
Bill Herrin




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William D. Herrin ................ herrin at dirtside.com  bill at herrin.us
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