Communication node apparatus with routing tables in cache memories
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United States of America Patent
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Apr 22, 2003
Issued Date -
N/A
app pub date -
Aug 11, 1999
filing date -
Aug 2, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a communication node apparatus comprising a plurality of line interfaces each having a cache memory with a sub routing table formed therein, and a route management unit having a main routing table, each of the line interfaces is provided with a function of detecting a disconnection flag included in a received packet and deleting an unnecessary routing information entry from the sub routing table, and a function of registering a routing information entry as a high priority entry if a connection establishment flag is set to a received packet when the routing information entry is downloaded from the main routing table to the sub routing table upon reception of the packet.
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