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IBM Patent Disclosure and Licensing Statement Regarding IETF RFC 2338, 'Virtual Router Redundancy Protocol' and RFC 2787, 'Defintions of Managed Objects for the Virtual Router Redundancy Protocol'

The text of the original IPR disclosure is available in the disclosure history.

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Submitted Date: April 15, 2003

'I'. Patent Holder/Applicant ("Patent Holder")
Legal Name: IBM Corporation
'II'. Patent Holder's Contact for License Application
Other Info:

IBM Director of Intellectual Property & Licensing
IBM Corporation
North Castle Drive, Armonk, N.Y., 10504
F: (914) 765-4420

'III'. IETF Document or Other Contribution to Which this IPR Disclosure Relates:
RFC: "Virtual Router Redundancy Protocol"
RFC: "Definitions of Managed Objects for the Virtual Router Redundancy Protocol"
'IV'. Disclosure of Patent Information (i.e., patents or patent applications required to be disclosed by Section 6 of RFC 3979)
A. For granted patents or published pending patent applications, please provide the following information:
Patent, Serial, Publication, Registration, or Application/File number(s):

US5371852 December 6, 1994
US6148410 November 14, 2000

B. Does this disclosure relate to an unpublished pending patent application?: no
'V'. Licensing Declaration
The Patent Holder states that its position with respect to licensing any patent claims contained in the patent(s) or patent application(s) disclosed above that would necessarily be infringed by implementation of the technology required by the relevant IETF specification ("Necessary Patent Claims"), for the purpose of implementing such specification, is as follows(select one licensing declaration option only):
See Text Below for Licensing Declaration
Licensing information, comments, notes, or URL for further information:

IBM will, upon written request, provide a nonexclusive patent license, with
other reasonable and nondiscriminatory terms and conditions, for those
patents issued to IBM which contain claims related to compliant
implementations of the referenced RFC's / Internet Drafts and for which IBM
is able to provide patent licenses (including the patents disclosed above).
This patent license is available to all entities. If a party requesting a
patent license also has claims related to the implementation of the
Specifications, IBM will grant patent licenses only if the recipient, in
return, will grant IBM a reciprocal license, with substantially identical
terms and conditions, under the Requestorâ€(tm)s Claims.

Note: The individual submitting this template represents and warrants that he or she is authorized by the Patent Holder to agree to the above-selected licensing declaration.
'VI'. Contact Information of Submitter of this Form
Name:Chuck Adams
'VII'. Other Notes:

RFC's 2338 & 2787