Highly available TCP systems with fail over connections
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United States of America Patent
Stats
-
Mar 22, 2005
Grant Date -
Jul 4, 2002
app pub date -
Dec 29, 2000
filing date -
Dec 29, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention provides a method, system and apparatus by which TCP connections may be failed-over from one system to another within a highly available network service, and appear transparent to the remote client. The connection state and ownership information of a system is broadcast within the network, so that if a first system crashes while running an application, a predetermined take-over policy causes a peer system to assume connection without loss of data such that a permanent connection has been established from the client's point of view. After the failed system has been restored to a normal state, new connections are established by the first system.
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