A system and method that improves security of a computer storage system by requiring an initiating computer to periodically reaffirm its identity by transmitting a message to a servicing computer. The message contains a previously established authentication message and a sequence value, established by and known only to the original participants. A message must be received by the servicing computer within a predetermined time interval in order to maintain data communications between the original participants.

 
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< Buffer to buffer credit flow control for computer network

< Dynamic allocation of computer memory

> Generating a check matrix for error correction

> Packet switching apparatus including cascade ports and method for switching packets

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