Fwd: [VRRP & OpenSource] Cisco answer

Alexandre CASSEN alexandre.cassen at canal-plus.com
Fri Nov 30 17:17:56 GMT 2001


Robert Barr, from CISCO Systems, answer's



>Cisco will not assert any patent claims against anyone for an
>implementation of IETF standard for VRRP unless a patent claim is asserted
>against Cisco, in which event Cisco reserves the right to assert patent
>claims defensively.
>I cannot answer for IBM, but I suspect their answer will be different.
>
>Robert Barr
>
>-----Original Message-----
>From: Alexandre CASSEN [mailto:alexandre.cassen at canal-plus.com]
>Sent: Friday, November 30, 2001 1:51 AM
>To: rbarr at cisco.com
>Cc: azinin at nexsi.com
>Subject: VRRP & OpenSource issue
>
>
>Hello Robert,
>
>I am sending you this email to obtain some clarifications about patents on
>VRRP protocol and application of this patents to OpenSource ?
>
>I am from the LinuxVirtualServer OpenSource project
>http://www.linuxvirtualserver.org
>
>We have done a VRRP implementation to use with LVS, with a little RFC
>modification adding a VRRP Instance synchronization facility (a monitored
>circuit ala Nokia). You can find internals implementation issue in this
>paper :
>http://www.linuxvirtualserver.org/~acassen/LVS-HA-using-VRRPv2.pdf
>
>but what about : http://www.ietf.org/ietf/IPR//VRRP-CISCO &
>http://www.ietf.org/ietf/IPR/NAT-VRRP-IBM
>
>And the 2 patents :
>=> From CISCO : http://www.delphion.com/details?pn=US06108300__
>=> From Nortel Network : http://www.delphion.com/details?pn=EP01006702A3
>
>=>> When We read this papers we can't find any OpenSource restrictions...
>
>Would it be possible to give me some officials informations on that point
?
>
>
>Best regards,
>
>--
>Alexandre Cassen
>LinuxVirtualServer OpenSource Project
>acassen at linux-vs.org
>
>PS: Alex Zinin, <azinin at nexsi.com> has reply to my first request into the
>VRRP mailing list, and gave me your email in order to go ahead on this
>topic (Thanks Alex).





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