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Replicated Distributed Processing

Lookup NU author(s): Emeritus Professor Santosh Shrivastava



Replicated processing with voting provides a powerful means of constructing highly reliable computing systems. We will consider a functionally distributed computing sytsem intended for real-time applications, where each functional module-a node-has been configured in an NMR (N-modular redundant) fashion. Such a system receives processing requests from 'actuators' (the entities that demand services) that require distributed processing at various nodes. The paper will discuss various approaches to scheduling computations to ensure that each processor of an NMR node processes input messages in an identical order./ The concept of exception handling for voters will be developed to detect failures in the system.

Publication metadata

Author(s): Shrivastava SK

Publication type: Report

Publication status: Published

Series Title: Computing Laboratory Technical Report Series

Year: 1986

Pages: 11

Print publication date: 01/10/1986

Source Publication Date: October 1986

Report Number: 222

Institution: Computing Laboratory, The University of Newcastle upon Tyne