The following was received August 8, 2001 From: Chuck AdamsJr IBM Patent Policy for MPLS IBM believes it may have patents which relate to compliant implementations of IETF RFC's in the area of MPLS (Multiprotocol Label Switching). In support of IETF intellectual property rights procedures, IBM is willing to offer non-exclusive licenses,upon written request from implementers of MPLS, under reasonable and non-discriminatory terms and conditions, in accordance with IBM's usual licensing practices, when there is a necessary dependence upon IBM patents to implement MPLS. Patents which may be necessary, in compliant implementations of MPLS, include the following: IBM US Patent 6055561, (Mapping of Routing Traffic to Switching Networks, issued April, 2000, Feldman et al) IBM US Patent 6069889, (Aggregationof Data Flows on Switched Network Paths, issued September, 1997, Feldman et al) IBM US Patent 5311509, (Configurable Gigabits Switch Adapter, issued May, 1994, Heddes et al) Any party wishing to request a license should write to : Gerrianne Delaney IBM Director of Licensing IBM Corporation North Castle Drive, Armonk, N.Y., 10504 ======= The following message was received on October 28, 1998 From: John Tavs This is to advise the IETF that IBM believes it has filed patents that relate to the MPLS working group. In accordance with the intellectual property rights procedures of the IETF standards process, IBM is willing to offer, upon written request from the implementers of the MPLS, a non-exclusive license under reasonable and non-discriminatory terms and conditions. Any party wishing to request a license should write to : IBM Director of Licensing IBM Corporation North Castle Drive, Armonk, N.Y., 10504