Patterns: Implementing Self-Service in an SOA Environment

Chapter 6. Technology options 137

CORBA can be used for integration with existing applications. This is done by

creating a CORBA wrapper for the existing application, which can then be

invoked by other applications.

CORBA is just a specification, and there are a number of vendors (such as IONA

or Borland) that implement it. Each vendor will provide additional value-added

services such as persistence, security, and so on, which can be leveraged by

CORBA developers.

The disadvantage of CORBA is in the steep learning curve involved. Also,

CORBA is slow-moving; it takes a long time for the OMG to adopt a new feature.

6.5 Where to find more information

For more information about topics discussed in this chapter, see:

򐂰 WebSphere Version 6 Web Services Handbook Development and

Deployment, SG24-6461

򐂰 WebSphere Studio 5.1.2, JavaServer Faces and Service Data Objects,

SG24-6361

򐂰 Patterns: Implementing an SOA using an Enterprise Service Bus in

WebSphere Application Server V6, SG24-6494

򐂰 Java Connectors for CICS: Featuring the J2EE Connector Architecture,

SG24-6401

򐂰 Revealed! Architecting Web Access to CICS, SG24-5466

򐂰 MQSeries Programming Patterns, SG24-6506

򐂰 Flanagan, David, JavaScript: The Definitive Guide, Third Edition, O'Reilly &

Associates, Inc., 1998

򐂰 Maruyama, Hiroshi, Kent Tamura and Naohiko Uramoto, XML and Java:

Developing Web Applications, Addison-Wesley 1999

򐂰 Flanagan, David, Jim Farley, William Crawford and Kris Magnusson, Java

Enterprise in a Nutshell, O’Reilly & Associates, Inc., 1999

򐂰 IBM CICS

http://www.ibm.com/software/ts/cics

򐂰 ECMAScript language specification

http://www.ecma-international.org/publications/standards/ECMA-262.HTM

򐂰 Java APIs and technology

http://java.sun.com/products

138 Patterns: Implementing Self-Service in an SOA Environment

򐂰 Validator tools

http://validator.w3.org/

http://jigsaw.w3.org/css-validator/

򐂰 World Wide Web Consortium (W3C) site

http://www.w3.org/

򐂰 Open source XML frameworks

http://xml.apache.org/

򐂰 Sun ONE™ article, Riddle Me This: Is Your XML Data Safe? by Brett Mendel

http://sunonedev.sun.com/building/tech_articles/xmldata.html

򐂰 Service-oriented architecture and Web services

http://www.ibm.com/software/solutions/webservices/resources.html