Method for middle-tier optimization in CORBA OTS

Details Method for middle-tier optimization in CORBA OTS Method for middle-tier optimization in CORBA OTS

2005-12-06

2005-12-06

Lao, Sue (Department: 2194)

Electrical computers and digital processing systems: interprogra

Interprogram communication using message

Object oriented message

C719S316000, C719S330000, C718S101000

Reexamination Certificate

active

06973657

ABSTRACT:
To perform a distributed transaction in a CORBA environment, OTS (the CORBA Transaction Service) defines a process called “control object interpositioning”. It must be carried out on the server side to ensure transaction integrity. However, for middle-tier servers (servers that do not access a database directly) this process is not necessary. The control object can be simply passed through. However, the two propagation methods of OTS do not provide a good way to take advantage of this fact. The present invention defines a model by which the deployment nature of the server can be specified. Middle-tier or database-tier can be defined in a deployment descriptor file, which is read in deployment time by the server process. The present invention will optimize the middle-tier servers by bypassing the control object interpositioning process and handing the control object directly to the next tier, bringing noticeable performance gains for an n-tiered system.

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U.S. Appl. No. 09/772,548 filed Jan. 30, 2001 entitled Method for Deployment Modification of Transactional Behavior in CORBA OTS, inventor(s): Andrew Ahmad, et al.; Seven sheets of drawings.

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