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The implementation of a high-performance ORB over multiple network transports

Sai-Lai Lo and Steve Pope

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This paper describes the implementation of a high-performance Object Request Broker (ORB) - omniORB2. The discussion focuses on the experience in achieving high performance by exploiting the protocol and other characteristics of the CORBA 2.0 specification. The design is also highly adaptable to a variety of network transports. The results of running the ORB over TCP/IP, shared memory, Scalable Coherent Interface (SCI) and ATM Adaptation Layer 5 (AAL5) are presented. In both null calls and bulk data transfers, the performance of omniORB2 is significantly better than other commercial ORBs.


PACS

84.40.Ua Telecommunications: signal transmission and processing; communication satellites

07.05.Wr Computer interfaces

07.05.Bx Computer systems: hardware, operating systems, computer languages, and utilities

Subjects

Electronics and devices

Instrumentation and measurement

Dates

Issue 1 (March 1999)

Received 11 February 1999



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