Received March 10, 2003 From: "Edward W. Scott" Apple Computer, Inc. (“Apple”) believes that its U.S. Patent Number 5,517,494 may be necessary for an implementation of the protocol draft-ietf-ssm-arch-02.txt entitled "Source Specific Multicast for IP." If this protocol is approved as an IETF Standard, licenses will be available to any party on reasonable, nondiscriminatory terms, on condition of reciprocity and defensive use, for a compliant implementation of the protocol. Any questions regarding this communication should be directed to: Director of Patents Apple Computer, Inc. 1 Infinite Loop, MS 3-PAT Cupertino, CA 95014-2084 Voice: (408) 974-9453 Fax: (408) 974-5436 E-mail: iplaw@apple.com Sincerely, Edward W. Scott, IV Senior Patent Counsel