History for IPR disclosure
IBM patent Claim which it believes relates to the NAT and VRRP working groups

From: http://www.ietf.org/ietf-ftp/IPR/NAT-VRRP-IBM

Received from: John Tavs
Date: Tue, 20 Jan 1998
Subject: 5,371,852 Method and Apparatus for Making A Cluster of Computers Appear
        as a Single Host on A Network


IBM has indentified a patent which it believes relates to the NAT and
VRRP working groups ,and in accordance with the intellectual property rights
procedures of the IETF standards process, IBM is willing to offer
non-exclusive licenses under reasonable and non-discriminatory terms and
conditions.

Any party wishing to request a license should write to:

Director of Patent Licensing,
IBM Corp.
North Castle Drive, Armonk, N.Y., 10504