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IKEv2 and NAT/T

On Tue, Jun 03, 2003 at 11:14:14AM -0400, Charlie_Kaufman@notesdev.ibm.com wrote:
> Just to let people know, I posted a revised IKEv2 draft incorporating
> the recent comments.


since IKEv2 includes support for NAT/T, I'd like to know how
IKEv2 is affected by the IPR/patent claims that exist for several
NAT traversal methods.  Does anyone have pointers about the nature
of these IPR claims and what exactily is affected by these claims.
Encapsulating ESP in UDP seems very trivial, so I doubt that
this is all the patents are about.

Any help appreciated.
thanks, -markus