IPR Details
Statement pertaining to draft-ietf-magma-snoop

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

Submitted: October 30, 2001 under the rules in RFC 2026

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. Patent Holder/Applicant ("Patent Holder")

Holder legal name Vitesse

II. Patent Holder's Contact for Licence Application

Holder contact name Morten J. Christensen
Holder contact email mjc@vitesse.com
Holder contact info

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

Internet-Draft: draft-ietf-magma-snoop ("Considerations for Internet Group Management Protocol (IGMP) and Multicast Listener Discovery (MLD) Snooping Switches")

IV. Disclosure of Patent Information i.e., patents or patent applications required to be disclosed by RFC 2026

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

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

International patent: WO 96/34474, Oct. 31 1996, Title: "Broadcast
transmission in a data network"

US patent: Number 5,608,726, Mar. 4, 1997 (filed 1995) Title:
"Networking Bridge with Multicast forwarding table"

US patent: Number 5,898,686, Apr. 27, 1999 (filed 1996)
Title: "Networking Bridge with Multicast forwarding table"

Australian patent: Application No. 65440/98
Title: "System, Device, and Method for Managing Multicast Group
Memberships in a Multicast Network"

Notes: It appears that a number of patents have been filed which may
apply to this draft or parts thereof. None of these patents have
been filed by the authors of this draft or companies in which they are
or have been employed.

We, the authors, have not tried to evaluate whether
these patents are violated by implementing IGMP snooping
according to this document. The IETF/IESG have been notified about
the existence of the patents.

B. Does this disclosure relate to an unpublished pending patent application?:

Has patent pending 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):

Licensing one selected]
Licensing information, comments, notes, or URL for further information

(No information submitted)

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

Submitter name
Submitter email

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