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A FAULT TOLERANT WEB SERVICES ARCHITECTURE
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Author(s):
PREETI LAKHANI
Vol - 6, Issue- 2 ,
Page(s) : 59 - 71
(2015 )
DOI : https://doi.org/10.32804/IRJMST
Abstract
The goal of this paper is to propose a fault tolerant Web service architecture. This paper describes a new scheme for providing client-transparent fault-tolerance for SOAP (SimpleObject Access Protocol) based web services. This paper also describes the active replication and passive replication techniques for fault tolerance. We have designed our scheme in the context of a distributed object system called FAWS, a portable fault-tolerant system that guarantees the full availability of SOAP-based web services while existing fault-tolerant systems for web services do not provide fault-tolerance for transparent handling of requests whose processing was in progress when the failure occurred. FAWS provides a client-transparent mechanism for providing fault-tolerance in such events. FAWS consists of a FT-Admin, FT-Monitor, FT-Front, FT-Detector and a primary server with redundant secondary servers and uses message logging. The main contribution of this paper is the use of Web service standards to include fault tolerance in the Web service architecture.
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