Evaluation of a method for reliable message transfer communication in CORBA

A communication infrastructure for enterprise information systems requires not only interoperability but also high reliability. An effective way to allow for differences in operation time and administrative policies is to provide a nonblocking communication interface. In the CORBA 2.0 specification, however, non-blocking communication is not defined as a delivery reliability aspect. The OMG is working on standards for a messaging service, and has taken up reliability as one QoS property. This does not mean, however, that reliability will always be defined as a function when ORB is implemented. It is therefore important to realize reliability on CORBA at the application level. The paper proposes and implements a communication method whereby the client is not blocked while communicating, and a method for realizing this as an application on CORBA. It then evaluates the implemented system and shows the effectiveness of the proposed method for enterprise information systems.