Maintaining sessions in a clustered server environment

Details Maintaining sessions in a clustered server environment Maintaining sessions in a clustered server environment

1998-03-19

2000-08-01

Asta, Frank J.

Electrical computers and digital processing systems: multicomput

Distributed data processing

Client/server

709200, 709250, 709238, G06F 1338, G06F 1517

Patent

active

060980931

ABSTRACT:
A technique, system, and computer program for maintaining session information among multiple clustered computers for servlets and providing those servlets with various session services. The session services are implemented using a plug-in servlet engine. The session information is preferably maintained without using a persistent data store, to avoid performance penalties associated with storing information in persistent storage such as a database. A locking technique is implemented to prevent servlets from inadvertently overwriting each other's session object data. A registration process is preferably used, to optimize communication of configuration property changes. Non-proprietary interfaces are used, allowing for scalability, portability, and maximum industry acceptance of this solution.

REFERENCES:
patent: 5828840 (1998-09-01), Cowen et al.
patent: 5848246 (1998-12-01), Gish
patent: 5908469 (1999-06-01), Botz et al.
patent: 5924116 (1999-07-01), Aggarwal et al.
patent: 5928323 (1999-07-01), Gosling et al.
patent: 5935249 (1999-08-01), Stern et al.

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