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AssigneeInternational Business Machines Corporation
InventorsEdward Glen Britton, Michael G. Fitzpatrick, Jeffrey Douglas Haggar, Maurice Isrel, Jr., Andrew Henry Richter, Barton Clark Vashaw
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The invention ensures that a single and consistent reply is made to an ARP request in a system of connected IP networks. When an adapter becomes active, the relative network on which it resides is determined by transmitting control packets over it and all other adapters known to the host and observing if and where responses are returned to the adapters. One adapter on a network is designated as active. If the same network contains other adapters, they are marked as standby adapters for the purpose of responding to ARP messages. Special processing is provided for offload adapters that perform there own ARP processing.
For use with multiple networked computing hosts using the Internet Protocol (IP) and the Address Resolution Protocol (ARP), a method of processing ARP requests, comprising
Apparatus for processing Address Resolution Protocol requests (ARP requests) at a networked host computer, comprising
A method of processing Address Resolution Protocol requests (ARP requests) at a networked host having a plurality of communications adapters each communicating with one of a plurality of networks, comprising the steps of
A computer program product for storing computer instructions, which when loaded into a computer and executed cause the computer to process Address Resolution Protocol requests (ARP requests) in a networked host according to the steps of
A method of processing Address Resolution Protocol requests (ARP requests) at a networked host having a plurality of communications adapters each communicating with one of a plurality of networks, comprising the steps of
Dependencies are inferred from the claim text.