Different form of Linux?? [LWN.net]

Different form of Linux??

Posted May 16, 2011 19:34 UTC (Mon) by renox (guest, #23785)
In reply to: Different form of Linux?? by blitzkrieg3
Parent article: How Yahoo won the Bedrock patent trial that Google lost (Thomson Reuters)

Thanks for the reminder, but it is written in the summary "Chaikovsky and Fay Morisseau of McDermott Will, were able to argue that Yahoo never executed the Bedrock code."

But, how can Yahoo not use the 'routing cache' of the Linux kernel??
AFAIK it's used for all TCP/IP communications..