The Web services vision of loosely coupled interaction between components,
programs, and applications is already beginning to create impressive
efficiencies of scale in business integration. The notion of a Web service
registry such as UDDI is helping to turn this vision into a reality. Despite
this, however, the comprehensive adoption of a truly dynamic discovery of Web
services may still be delayed.
The Challenge of Dynamic Web Services Discovery and Usage
Currently, the majority of Web services are developed for internal enterprise
use. Most existing projects are experimental, while a few early applications
already in use provide highly focused functionality for solving specific
business and technology problems. For these applications, where all users are
within the s... (more)
Service-oriented architectures (SOAs) are a significant step forward in
aligning information technology with business goals. But SOAs are
insufficient when the Web services of which they are typically composed use
inconsistent terminologies and present different understandings of the
real-world environment that they are meant to support. Enterprises need
transparency, a clear view of wha... (more)
XML is often used to transmit messages. The tags indicate where the message
should go and how it should be handled. The information transferred in the
message can be XML as well.
Just as modularity is necessary in coding programs, separating the messaging
envelope from the data body is necessary in planning data structures. Keeping
the layers from recognizing each other allows developers ... (more)
So, you've just led the successful creation of a full-featured Web site with
a three-tier back end, and you've now been asked to lead the company's new
wireless Web site project. You wonder how your experience will carry over
from the World Wide Web (W3) to the Wireless World Wide Web (W4).
You have to hire the personnel, buy the hardware and software for the QA and
integration labs, and ... (more)
Joshua Fox is a senior software architect at Unicorn Solutions (www.unicorn.com), developing semantic information management systems for the enterprise. He has experience developing large-scale clustered Java systems for Internet collaboration and multimedia delivery, and has published and lectured widely. He can be reached at joshua.fox@unicorn.com.
Bob Snyder
Alf Pilgrim
Per Sjofors
Kirsten Lytsen
Data Recovery Services
Colin Armitage
