Method for server-directed packet forwarding by a network controller based on a packet buffer threshold
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United States of America Patent
Stats
-
Nov 1, 2011
Grant Date -
Dec 11, 2003
app pub date -
Jun 6, 2002
filing date -
Jun 6, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A network controller improves load-balancing within a network system without requiring an intelligent switch having TCP splicing capability. The network controller forwards connections in response to directives from the connected server, permitting connection splicing within the network controller, but in response to a determination within the server that a connection to an alternative node is more desirable. The server detects that a packet buffer for an original destination node exceeds a threshold and sends a command to the network controlled to forward connections to an alternate destination node. The alternative node connection can be determined based on data availability, server load or other criteria. The packet forwarding mechanism and can be implemented very compactly within the firmware of the network controller and the server forwarding control can be communicated via the network controller device driver.
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