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Understanding Web Services By Eric Newcomer

Understanding Web Services
by Eric Newcomer

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Web services enable the new generation of Internet-based applications. This book introduces the main ideas and concepts behind core and extended Web services' technologies and provides developers with a primer for each of the major technologies that have emerged in this space. It also summarizes the major architectural approaches to Web services.
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Understanding Web Services Summary

Understanding Web Services: XML, WSDL, SOAP, and UDDI by Eric Newcomer

In Understanding Web Services, leading Web Services expert Eric Newcomer systematically addresses the core issues developers and IT professionals need to understand to make intelligent decisions about Web Services. Newcomer explains exactly how Web Services work, reviews each key standard for enabling Web Services, and previews tomorrow's most important products and technologies for Web Services development. Newcomer reviews the key goals and advantages of Web Services, the applications they are best suited for, and today's key standards for describing, sending, receiving, publishing, discovering, and utilizing them. He explains how Web Services are being built upon the foundation of XML technologies, then covers each key Web Services standard in detail: SOAP transport, WSDL services description, UDDI discovery services, and ebXML message exchange. Newcomer concludes with insightful, vendor-independent coverage of today's leading tools and products for Web Services development. For every IT manager, architect, developer, and strategist who wants a thorough understanding of Web Services.

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About Eric Newcomer

Eric Newcomer is chief technical officer at IONA (


Table of Contents

(NOTE: Each chapter concludes with a Summary.)




1. Introducing Web Services.

The Basics of Web Services.

A Simple Example: Searching for Information.

The Next Generation of the Web.

Interacting with Web Services.

RPC-Oriented Interactions.

Document-Oriented Interactions.

The Technology of Web Services.

Usage Example.

XML: The Foundation.

WSDL: Describing Web Services.

SOAP: Accessing Web Services.

UDDI: Publishing and Discovering Web Services.

XML for Business Collaboration: ebXML.

Web Services versus Other Technologies.

Additional Technologies.

Vendor Approaches to Web Services.

2. Describing Information: XML.

A Simple Example.

Instance and Schema.

Data Type and Programming Language.

More on XML Schemas and DTDs.

Processing XML Documents.





Document Structure.

Mapping Tools.

A Simple Example (Revisited).

XML Specifications and Information.

XML Specifications Related to Web Services.

General Information.

3. Describing Web Services: WSDL.

WSDL Basics.

WSDL Elements.

The Extensible WSDL Framework.

Defining Message Data Types.

Defining Operations on Messages.

Mapping Messages to Protocols.

Putting It All Together.

Importing WSDL Elements.

WSDL-Related Namespaces.

Extensions for Binding to SOAP.

4. Accessing Web Services: SOAP.

A Simple Example.

The SOAP Specification.

SOAP Envelope.

SOAP Header.

SOAP Body.

SOAP Faults.

RPC Convention.

Data Type Mapping.

HTTP Binding.

Version Control.

SOAP Message Processing.

SOAP Use of Namespaces.

Changes in the v1.2 Draft.

SOAP Multipart MIME Attachments.

SOAP in the Context of Existing Systems.

SOAP's Future Directions.

5. Finding Web Services: UDDI Registry.

The UDDI Organization.

The Concepts Underlying UDDI.

How UDDI Works.

UDDI Data Model.

Generic Data.

The Business Entity.

The Binding Template.

The tModel.


Inquiry APIs.

Publisher APIs.

Usage Scenario.

Updating the Registry.

Retrieving Information.

Using WSDL with UDDI.

UDDI for Private Use.

UDDI Support for SOAP, Complex Business Relationships, and Unicode.



6. An Alternative Approach: ebXML.

Overview of ebXML.

A Simple Example.

Deploying ebXML.

The ebXML Specifications.

Architectural Overview.

7. Web Services Architecture: Additional Technologies.


WS-License and WS-Security.

Process Flow.


Transaction Coordination.


Extended Transactions.






Reliable HTTP.

Web Services Foundations.



8. Implementing Web Services.

Implementation Architectures.

The Major Implementation Streams.

Microsoft's .NET.

J2EE and Application Servers.

Application Server Vendor View.

Java APIs for Web Services.

J2EE Initiatives for Additional Technologies.

Understanding .NET versus J2EE.

Vendor Views on Adoption of Web Services Technologies.

The Questionnaire.

BEA Systems.

Cape Clear.






Sun Microsystems.



Implementations of ebXML.

Index. 0201750813T05082002

Additional information

Understanding Web Services: XML, WSDL, SOAP, and UDDI by Eric Newcomer
Eric Newcomer
Used - Good
Pearson Education (US)
Book picture is for illustrative purposes only, actual binding, cover or edition may vary.
This is a used book - there is no escaping the fact it has been read by someone else and it will show signs of wear and previous use. Overall we expect it to be in very good condition, but if you are not entirely satisfied please get in touch with us.