Method for resolving network address by sending reresolve request to nodes at selected time period after establishing address table, and updating the table with received reply thereto
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United States of America Patent
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Sep 16, 1997
Grant Date -
N/A
app pub date -
Aug 8, 1994
filing date -
Aug 8, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A networking system is disclosed that has an improved address resolution protocol. The network system, which includes a table or cache, has a plurality of nodes, each node having a unique address. The protocol establishes in the table an address mapping for each of the nodes in the network system being used. The protocol generates a target address for an addressing request. When an address mapping needs to be reresolved/refreshed, the protocol then sends the request to the node associated with the address currently in the table. The protocol allows for a certain amount of time for the node to accept the request and then updates the address mapping table based upon a reply received within that limited time. If the node fails to reply within a given time, the protocol then broadcasts the request throughout the networking system until a response is received. Once a response is received, the system then updates the table of address mapping.
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