System for communicating a software-generated pulse waveform between two servers in a network
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United States of America Patent
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Aug 7, 2001
Grant Date -
N/A
app pub date -
Oct 1, 1997
filing date -
May 13, 1997
priority date (Note) -
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Abstract
A system for monitoring the status of a first server in a server network with a second server in the network, and also for providing synchronization and messaging capability between the two servers, the system including: a device coupled to first and second servers for receiving commands from the first and second server; a pulse transmitter module, coupled to the first server, for transmitting a software-generated pulse waveform to said device; and a pulse receiver module, coupled to the second server, for receiving the software-generated pulse waveform, wherein the software-generated pulse includes: a first command transmitted from the first server to said device which corresponds to a logic level low of said pulse waveform, wherein the first command sets the status condition of said device to a first state; and a second command transmitted from the first server to said device which corresponds to a logic level high of said pulse waveform, wherein the second command sets the status condition of said device to a second state. In order to provide synchronization and messaging, specified commands and/or reference points between the two servers.
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