Dependency-Spheres: A Global Transaction Context for Distributed Objects and Messages

  • Authors:
  • Stefan Tai;Thomas A. Mikalsen;Isabelle Rouvellou;Stanley M. Sutton Jr.

  • Affiliations:
  • -;-;-;-

  • Venue:
  • EDOC '01 Proceedings of the 5th IEEE International Conference on Enterprise Distributed Object Computing
  • Year:
  • 2001

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Abstract

Abstract: Many enterprise systems employ both object-oriented middleware (OOM) and message-oriented middleware (MOM). However, support for the integration of object and messaging services, in particular for transaction processing across object and messaging components, is very limited. In this paper, we introduce the concept of Dependency-Spheres (D-Spheres), a global transaction context for distributed objects and messages. A D-Sphere integrates standard distributed object transactions and conditional asynchronous messages in one single unit-of-work. It is a new service for transaction processing that enhances two-phase-commit ACID transactions with pre-commit message delivery, concurrent evaluations of transaction-critical message conditions, and message compensation support for recovery. D-Spheres enrich standard OOM and MOM services, uniquely providing for an increased level of reliability for their use in combination in enterprise systems.