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Hi Padraig,
>However, haven't Cisco patents on this?
In short yes : http://www.ietf.org/ietf/IPR//VRRP-CISCO
IBM Too : http://www.ietf.org/ietf/IPR/NAT-VRRP-IBM
In fact there is 2 patents :
one from CISCO : http://www.delphion.com/details?pn=US06108300__
an other from Nortel Network :
http://www.delphion.com/details?pn=EP01006702A3
(http://www.foo.be/vrrp/ => summarize that all).
=> When you read this papers you can't find any OpenSource restriction...
All that I can see is the commercial product implementation... I plan to
post a message into the IETF mailing list to present the LVS work on VRRP
and to enlarge the debate on OpenSource implementation and eventual
licence...
>What's the legal situation if someone wanted to deploy this?
=> We must investigate that way... But I can not do it all myself :)
Best regards,
Alexandre
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