FORWARDING TABLE COMPRESSION
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United States of America Patent
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app pub date -
Nov 30, 2015
filing date -
Nov 30, 2015
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Abstract
One embodiment of the present invention sets forth a technique for compressing a forwarding table. The technique includes storing a first network prefix and a first set of routing information associated with the first network prefix in a routing table, and writing the first network prefix from the routing table to a first entry included in a forwarding table. The technique further includes storing a second network prefix and a second set of routing information associated with the second network prefix in the routing table. The second network prefix is covered by the first network prefix. The technique further includes, based on comparing the first set of routing information to the second set of routing information, determining that the second network prefix should not be written from the routing table to the forwarding table, or removing the second network prefix from the forwarding table.
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