Message redirector with cut-through switch for highly reliable and efficient network traffic processor deployment
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United States of America Patent
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Dec 4, 2001
Grant Date -
N/A
app pub date -
Mar 17, 1998
filing date -
Mar 17, 1998
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A redirector device for enabling highly reliable deployment of in line network traffic server (such as a document cache) or processor (such as a network monitoring and management device). In normal operation, the device selectively redirects traffic at a link layer to the traffic server, by type of message received or client address or application, server address or application, adjacent network node address, or other parameters. However, the device also detects failures of the traffic server, and when appropriate, switches line traffic to bypass the server. This implements a fail safety feature for the server in the sense that a failure causes traffic to be forwarded past the server, thereby enabling the network to remain operational.
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