Routing cache management with route fragmentation
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United States of America Patent
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Feb 3, 2009
Grant Date -
Feb 17, 2005
app pub date -
Aug 14, 2003
filing date -
Aug 14, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
One embodiment disclosed relates to an apparatus for routing packets towards destination addresses. The apparatus includes at least a routing table and a route fragment cache. Each route in the routing table includes a network address, a mask, and a corresponding forwarding information. Each route fragment in the route fragment cache includes a section of a route from the routing table. The route fragments are such that no route fragment in the route fragment cache intersects any route in the routing table that is more specific than the route from which that fragment was generated.
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