IPR Details
Steven M. Bellovin's Statement about IPR related to RFC 4808 belonging to Cisco Technology Inc.

Submitted: August 16, 2018 under the rules in RFC 8179

Note: Updates to IPR disclosures must only be made by authorized representatives of the original submitters. Updates will automatically be forwarded to the current Patent Holder's Contact and to the Submitter of the original IPR disclosure.

I. Possible Patent Holder/Applicant ("Patent Holder")

Holder legal name Cisco Technology Inc.

II. Contact Information for the IETF Participant Whose Personal Belief Triggered this Disclosure

Name Steven M. Bellovin
Email smb@cs.columbia.edu
Other info

I'm the author of the RFC in question.

III. IETF Document or Other Contribution to Which this IPR Disclosure Relates

RFC: RFC4808 ("Key Change Strategies for TCP-MD5")

IV. Disclosure of Patent Information i.e., patents or patent applications required to be disclosed by RFC 8179

A. For granted patents or published pending patent applications, please provide the following information:

Patent, Serial, Publication, Registration, or Application/File number(s)

Date: 2005-07-01
Title: Approaches for switching transport protocol connection keys
Number: US7545810
Inventor: Satish K. Mynam, Anantha Ramaiah, Chandrashekhar Appa, et al

B. Does this disclosure relate to an unpublished pending patent application?:

Has patent pending No

V. Contact Information of Submitter of this Form

Submitter name Steven M. Bellovin
Submitter email smb@cs.columbia.edu

VI. Other Notes

Additional notes

The cited patent is at least close to some (but not, I think, all) of the strategies suggested in RFC 4808. I have NOT done a full analysis of the claims, etc., of course.

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