Method and apparatus for coordinating routing parameters via a back-channel communication medium
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United States of America Patent
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Mar 25, 2008
Grant Date -
Jun 20, 2002
app pub date -
Sep 20, 2001
filing date -
Oct 17, 2000
priority date (Note) -
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Abstract
Systems and methods are described for enabling routers to coordinate via a back-channel communication medium. The information exchanged over the back-channel is used to increase the number of paths considered for the routers during route optimization. The Decision Makers may assert routes and prefixes to the routers under their control. This may be done via a Border Gateway Protocol (BGP) feed. The Decision Makers, in turn, communicate separately with one another, in order to coordinate routing policy amongst themselves. This coordination may be performed over a back-channel, which may take the form of physical or logical connections between the Decision Makers.
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