Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 22, 2011
Patent Application Number
11973379
Date Filed
October 5, 2007
Patent Primary Examiner
Patent abstract
A switch protocol for network communications (particularly but not exclusively for multiple computer systems) is disclosed in which each switch maintains a list of addresses which can be reached via each port of the switch. In addition, prior to delivering a message or packet to a port, the switch deletes any address in the message or packet which is unable to be reached via that port. The arrangement saves the repetitive sending of uni-cast messages and also saves broadcast messages being sent via the switches to computers which are not intended to receive the messages. Various networked topologies are also disclosed.
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