Method and apparatus for dynamic exchange of capabilities between adjacent/neighboring networks nodes
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United States of America Patent
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Apr 22, 2003
Grant Date -
N/A
app pub date -
May 27, 1999
filing date -
May 27, 1999
priority date (Note) -
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Abstract
A technique to dynamically exchange or update routing capabilities between neighboring peer routers in a computer network without disruption to the operation of the routers. A dynamic capability parameter in an Open message of a Border Gateway Protocol (BGP) enables a router to announce a new capability, or revise or remove a previously announced capability, to a neighboring router when a peer connection is established between the routers. Once announced, the dynamic capability allows the router to exchange a capability message containing updates of capabilities without the need for resetting the existing peer connection. As a result, the technique allows non-disruptive configuration and enabling of capabilities in a manner that improves network stability, while reducing interruption of network services.
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