Received January 22, 2002
From: Robert Barr <rbarr@cisco.com>

Cisco has  pending patent applications  relating to the subject matter of
draft-ietf-ngtrans-bgp-tunnel-04.txt ,  "Connecting IPv6 Islands across IPv4 Clouds with BGP". If a standard relating to this subject matter is adopted by IETF and any claims of  any issued Cisco patents are necessary for practicing this standard, any party will be able to obtain a license from Cisco to use any such patent claims under openly specified, reasonable, non-discriminatory terms, with reciprocity,  to implement and fully comply with the standard.

For information contact:
Robert Barr
Worldwide Patent Counsel
Cisco Systems
408-525-9706
rbarr@cisco.com