General Framework for Fault Tolerance from ISO/ITU Reference Model for Open Distributed Processing (RM-ODP)

  • Authors:

  • Janis Putman

  • Affiliations:

  • -

  • Venue:
  • WORDS '99 Proceedings of the Fifth International Workshop on Object-Oriented Real-Time Dependable Systems
  • Year:
  • 1999

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Abstract

The ISO Reference Model for Open Distributed Processing (RM-ODP) is a software engineering enabler for software architecture of distributed systems. It addresses the non-functional properties of distributed systems in terms of a framework of concepts, structuring rules, semantics, and mechanisms. One such property is Fault Tolerance.This paper provides a view of how RM-ODP addresses the Fault Tolerance (FT) framework. RM-ODP defines a model of FT, and different recovery mechanisms to include recovery of an object, a group of objects, an interface, a binding, a bound interface, etc. Mechanisms for FT include a distinguished FT control object for management of FT, replication, checkpoint/recovery, relocation, migration, and several transparencies to hide the FT mechanisms from the application developer.System-defined policies and schema drive FT. All of this is highlighted in this paper. A brief comparison of this with the emerging proposal for a Fault Tolerant Common Object Request Broker Architecture (CORBA) is also provided.