Automatic hardware failure detection and recovery for distributed max sessions server
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United States of America Patent
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Dec 13, 2011
Grant Date -
Feb 10, 2011
app pub date -
Oct 19, 2010
filing date -
Sep 30, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
A Max Sessions Server (MSS) automatically detects hardware and communications failures. Upon detection, counters are adjusted accordingly to maintain an accurate count of users or groups of users on a system. A database of unique identifiers for each connection is maintained, where the unique identifier is a concatenation of a Network Access Server (NAS) and the connection's incoming NAS node number. If a user requests permission to log into the system, the MSS first checks the database to determine if the unique identifier is already logged in. If so, then a hardware or communications failure has occurred and the MSS must make the appropriate adjustments to the database and counter.
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