Object Transaction Service: experiences and open issues

Transaction management is required to maintain data consistency in any system with concurrent access to its information. The Object Transaction Service (OTS) is a CORBA service that brings transactional semantics to distributed object oriented applications. We report our experience of developing a prototype using OTS. We present results from our scaling experiments and analyze the overheads incurred by the components of an OTS based distributed transaction. We also highlight issues that need to be addressed if OTS is to be used in large distributed systems such as those in Boeing.