IPR Details
Michael Scharf's Statement about IPR related to draft-zimmermann-tcpm-spurious-rxmit belonging to Ericsson

Submitted: July 21, 2015 under the rules in RFC 3979 as updated by RFC 4879

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 Ericsson

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

Name Michael Scharf
Email michael.scharf@alcatel-lucent.com
Other info

TCPM co-chair

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

Internet-Draft: draft-zimmermann-tcpm-spurious-rxmit ("Using the TCP Echo Option for Spurious Retransmission Detection")
Revisions: 00

IV. Disclosure of Patent Information i.e., patents or patent applications required to be disclosed by RFC 3979 as updated by RFC 4879

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

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

See "Ericsson Statement pertaining to the 'The Eifel Algorithm for TCP'" (https://datatracker.ietf.org/ipr/171/)

B. Does this disclosure relate to an unpublished pending patent application?: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 Michael Scharf
Submitter email michael.scharf@alcatel-lucent.com

VI. Other Notes

Additional notes

RFC 3522 ("The Eifel Detection Algorithm for TCP") has a known IPR disclosure, as explained in Section 4 of RFC 3522.

draft-zimmermann-tcpm-spurious-rxmit-00 apparently specifies an alternative method for spurious retransmission detection that seems related to RFC 3522. The IPR disclosed for RFC 3522 may or may not apply to this I-D.

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