Nortel Networks Statement about IPR in draft-ietf-behave-nat-behavior-discovery
Date: 14 January 2008
From: Michelle Lee <mleelaw@nortel.com>

Dear Sir,

Nortel Networks Limited has an issued US patent no. 6,993,595, entitled
"Address Translation Change Identification", that may be relevant to at
least a portion of this proposed IETF RFC 3489 standard if approved and
implemented:
Title: NAT Behavior Discovery Using STUN
draft-ietf-behave-nat-behavior-discovery-02
Tag: < draft-ietf-behave-nat-behavior-discovery-02>
www.ietf.org/internet-drafts/draft-ietf-behave-nat-behavior-discovery-02
.txt

As understood, this IETF NAT Behaviour Using STUN draft is an
Experimental status and not an IETF standards-track document.
My contact information is set out below.

Kind Regards,
Michelle Lee
IP Counsel
Nortel Networks Limited
5-195 The West Mall
Toronto, Ontario Canada M9C 5K1
Fax: 905-863-1986
mleelaw@nortel.com