Received May 16, 2000 From: Don Hall ================ 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 cosmictk@ex-pressnet.com