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

Sai-Lai Lo et al 1999 Distrib. Syst. Engng. 6 13-22   doi: 10.1088/0967-1846/6/1/302  Help

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Sai-Lai Lo and Steve Pope
AT&T Laboratories Cambridge, 24a Trumpington Street, Cambridge CB2 1QA, UK
E-mail: s.lo@uk.research.att.com

Abstract. 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.

Print publication: Issue 1 (March 1999)
Received 11 February 1999

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