Received May 16, 2000
From: Don Hall <[email protected]>
================

Don Hall, was awarded U.S. Patent No. 5,126,728 in 1992 that may
comprise methods used in Ipsec, ESP,  SAID, when used in combination with
encryption and tunneling.

IPsec ESP, and SAID, may be derived from intellectual property
described in said patent. If IP ESP, SAID is established as an Internet
Standard, to the extent that Don Halls's Intellectual property is
comprised therein, nonexclusive licenses, on relevant patent claims,
will be made openly available for a reasonable fee, without
discrimination. These licenses will be granted for implementation and
use as defined in the IPsec RFC if it is approved as a standard.


Parties interested in obtaining a license may contact:


Don Hall

703-527-3688
[email protected]