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IPR Details
Adrian Farrel's Statement about IPR related to draft-ietf-mpls-entropy-label-03 belonging to Cisco Systems

Submitted: May 26, 2012 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.


Updated by

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

Holder legal name Cisco Systems

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

Name Adrian Farrel
Other info

Ty Du, Abbey Road
Llangollen, UK
T: +441978860944

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

draft-ietf-mpls-entropy-label ("The Use of Entropy Labels in MPLS Forwarding")
No revisions for this Internet-Draft were specified in this disclosure. The Internet-Draft's revision was 03 at the time this disclosure was posted. Contact the discloser or patent holder if there are questions about which revisions this disclosure pertains to.

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)

US Published Patent Application 20090201811
Date: 2009
Country: USA

Notes: The patent application is claimed to be related to "Flow Aware Transport of Pseudowires over an MPLS Packet Switched Network"

A disclosure was made against draft-ietf-pwe3-fat-pw and can be seen at

A statement was made by a member of Cisco staff suggesting that this IPR might apply. The statement was made on the mailing list of the IETFMPLSworking group at

B. Does this disclosure relate to an unpublished pending patent application?: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

Only those sections of the relevant entry form where the submitter provided information are displayed above.