This paper is a literary review of the construction, advantages and disadvantages of service oriented architectures (SOA).
Written in 2006; 14,880 words; 22 sources; APA; $ 249.95
Paper Summary:
This paper explains that service orientation architectures are required because of the significant increase in the amount of data and information, which companies and organization have to handle, and a substantial increase in the complexity of the technologies, which store this information received from a multiplicity of sources. The author points out that the methodology behind SOA identifies software architectures in a more refined manner by placing greater focus on the exchanges amongst large software components. The paper relates that the method of service orientation emphasizes re-usability by separating the interface to an operation from its internal implementation.
Table of Contents
Introduction
Rationale for the Study
Background Information: Impact on the Information Architecture
Problem Statement
Research Questions
Glossary of Terms
Service Oriented Architectures
Benefits to Enterprises
Approaches to Integration
Principles of SOA
Share a Formal Contract
Loosely Coupled
Abstract Underlying Logic
Composable
Reusable
Autonomy of Services
Stateless Services
Discoverability of Services
XML Structure
Technologies: XML and Web Services
Web Services
Approaches to Service Enablement
Service Proxies
Service Adapters
Implementation and Management of SOA
Unified Information Views
Data Sources
Data Transformations and ESB
ESB
Access, Security and Security Integration
Integration with Enterprise Security
Discussion and Conclusions
From the Paper:
"Although Service Oriented Architectures have become popular in recent years, the majority of enterprise architectures are not enabled for service-orientation. Businesses will therefore have to alter their enterprise architectures in order to benefit from the advantages of service orientation - a flexible, extensible, and evolvable architecture. The research will investigate ways of enabling enterprise architectures for service orientation and how an enterprise wide adoption will impact on it. The research will also address issues such as SOA integration principles, data sources and transformations, access and security and integration."
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