Web Services, Service-Oriented Architectures, and Cloud Computing ：The Savvy Manager's Guide ( The Savvy Manager's Guides )

Publication subTitle ：The Savvy Manager's Guide

Publication series ：The Savvy Manager's Guides

Author： Barry   Douglas K.;Dick   David  

Publisher： Elsevier Science‎

Publication year： 2003

E-ISBN: 9780080520940

P-ISBN(Paperback): 9781558609068

P-ISBN(Hardback):  9781558609068

Subject： F224-39 computer applications;TP3 Computers;TP316.8 WebOS;TP39 computer application

Language： ENG

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Description

Web services are leading to the use of more packaged software either as an internal service or an external service available over the Internet. These services, which will be connected together to create the information technology systems of the future, will require less custom software in our organizations and more creativity in the connections between the services. This book begins with a high-level example of how an average person in an organization might interact with a service-oriented architecture. As the book progresses, more technical detail is added in a "peeling of the onion" approach. The leadership opportunities within these developing service-oriented architectures are also explained. At the end of the book there is a compendium or "pocket library" for software technology related to service-oriented architectures.

· Only web services book to cover both data management and software engineering perspectives, excellent resource for ALL members of IT teams
· Jargon free, highly illustrated, with introduction that anyone can read that then leads into increasing technical detail
· Provides a set of leadership principles and suggested application for using this technology.

Chapter

Front Cover

Web Services and Service-Oriented Architectures: The Savvy Manager's Guide

Copyright Page

Contents

Foreword

Introduction

Business Opportunities Addressed

Structure of This Book

Part I: Service - Oriented Architecture Overview

Chapter 1. A Business Trip in the Not-Too-Distant Future

The Business Trip

Summary

Chapter 2. Information Technology Used in This Trip

Keeping Track of All Customer Contacts in an Online Repository

Obtaining Company Contact Information from an External CRM Service

Online Calendar Services

Changing from One Online Calendar Service to Another

Getting Updates on Clients to Be Visited While on the Road

Travel Agency Service

Car Rental Service

Airlines and Hotel

Services as Commodities

Summary

Chapter 3. Service-Oriented Architectures and Web Services

Service-Oriented Architecture Explained

Organizations of Any Size Can Use a Service-Oriented Architecture

Blurring of Internal and External Services

Web Services Explained

Security and Authorization

Simplified Web Services Notation

Summary

Chapter 4. Forces Affecting the Adoption of Web Services and Other Integration Techniques

Force Field Analysis Overview

Analysis of Integration Techniques

Analysis of Adopting Enterprise-Wide Standards

Analysis of Middleware Integration

Analysis of Additional Components Used for Integration in a Service-Oriented Architecture

Putting All the Integration Techniques Together in a Service-Oriented Architecture

Summary

Chapter 5. Growing Impact o f Web Services

Initial Impact of Web Services

Evolutionary Use

Summary

Chapter 6. Service-Oriented Architectures and Beliefs about Enterprise Architectures

Form Follows Function

Service-Oriented Architecture as Part of an Enterprise Architecture

Service-Oriented Architectures with Architectural Frameworks and Methodologies

Beliefs that Can Cause Function to Follow Form

Common Issues with Many Enterprise Architectural Efforts

Sometimes Enterprise Architectures Get Watered Down

Goals of a Service-Oriented Architecture Using Web Services

Advantages of Service-Oriented Architectures

Summary

Chapter 7. Starting to Adopt a Service-Oriented Architecture

All Web Services Connections Look the Same

The Impact of Web Services

The Internet Will Help Drive Adoption

Stages of Adoption for Web Services and Service-Oriented Architectures

Vision of the Future

Why Get Started Now?

Summary

Part II: Managing Change Needed for a Service-Oriented Architecture

Chapter 8. Change Will Happen

Change

Costs Related to Adopting a Service-Oriented Architecture

Technical Change Issues Diminishing

Resistance to Change

Forms of Resistance

Overcoming Resistance to Change

Some Resistance Scenarios

Worksheet for Change Issues and Responses

Consolidated Analysis for Adopting a Service-Oriented Architecture

Summary

Chapter 9. Tips for Managing Change Issues during Development

Design as Little as Possible

Write as Little Code as Possible

Reduce Project Scope

Use a Methodology

Use a Second Set of Eyes

Use Small Teams

Summary

Part III: Creating Service-Oriented Architectures

Chapter 10. Architectures at Each Stage of Adoption for Web Services

Stage 1. Experiment with Web Services

Stage 2. Adapt Existing Systems to Use Web Services

Stage 3. Remove Intersystem Dependencies

Stage 4. Establish an Internal Service-Oriented Architecture

Stage 5. Expand the Internal Service-Oriented Architecture to Include External Services

Summary

Chapter 11. Architectural Options

Data-Centric Architecture

Distributed-Process Architecture

Master Databases, Data Warehouses, Data Marts, and Business Intelligence Software

Agents

Summary

Chapter 12. Middle-Tier Architecture

Basics for a Middle-Tier Architecture

Caching in the Middle Tier

Persistence in the Middle Tier

Middle-Tier Firewall Options

Summary

Chapter 13. Revisiting the Business Trip in the Not-Too-Distant Future

The Business Trip

Summary

Part IV: Compendium of Software Technology for Service-Oriented Architectures

Chapter 14. Additional Specification Details

Organizations Working on Specifications

Matrix of Specifications and Organizations Working on Specifications

Web Services Specifications

XML Specifications

XML Vocabularies

Chapter 15. Quick Reference Guide

Index

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