Conference Proceeding

WSCA-DRIP: An Infrastructure to Web Service Composition Actions

Inst. of Comput., Univ. of Campinas, Campinas, Brazil
05/2011; DOI:10.1109/LADCW.2011.20 In proceeding of: Dependable Computing Workshops (LADCW), 2011 Fifth Latin-American Symposium on
Source: IEEE Xplore

ABSTRACT Service-Oriented Architecture is an architectural model that aims to enhance the efficiency, agility, and productivity of an enterprise by structuring services in terms of services compositions, which can be executed either synchronously or asynchronously. Such architectures should meet the main dependability requirements (e.g. high availability, high reliability). The objective of this work is to describe a software infrastructure, called WSCA-DRIP, that operates in the communication between a web service's clients and the web service itself, in order to implement fault tolerance techniques that make effective use of exception handling of undependable existing services. Also, the proposed solution lies in systems structuring in terms of a collaborative realization of a given function by composed web services and a fault tolerance strategy by means of cooperative exception handling. Finally, the WSCA-DRIP infrastructure will be designed to be remotely accessible via web services technology, so that it can be easily reused during the implementation of different web services-based service oriented architectures.

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Keywords

architectural model
 
architectures
 
collaborative realization
 
cooperative exception handling
 
different web services-based service
 
fault tolerance strategy
 
fault tolerance techniques
 
given function
 
main dependability requirements
 
make effective use
 
proposed solution
 
Service-Oriented Architecture
 
services
 
services compositions
 
software infrastructure
 
web service
 
web service's clients
 
web services
 
web services technology
 
WSCA-DRIP infrastructure