Grid Computing Products and Services

Chapter 2. Web services core/hosting 39

Table 2-1 Comparing WBI-MQ and WAS-MR

2.4 Conclusion

In this chapter, we briefly described the standards and products associated with

the building of basic grid computing infrastructures. Some basic products for the

Web Services Core/Hosting discipline are part of the WebSphere family. Most of

their capabilities are well known from the traditional IT perceptive and can be

integrated with a variety of other products (for example, IBM Grid Toolbox

includes WebSphere Application Server Express Edition).

WebSphere Business Integration

Messaging Broker

WebSphere Messaging Resources

A whole product. A feature of WebSphere Application

Server V6.

Implements a middleware outside the

application server, but accessible by the

application server and other applications.

Implements a JMS mechanism to the

application server.

Uses WAS-MQ internally and externally. Uses WAS-MQ internally and supports

MQ externally wrapped in JMS messages.

Publishes services through WAS-MQ

queues. These services can be wrapped

in Java classes.

Publishes services as JMS services and

Java beans.

Provides basic connectors out of the box

while others have to be added.

Provides several connectors out of the

box.

Most of the connections with providers

should be treated as MQ messages.

Usually connections with providers can be

treated in the original protocols.

High availability is implemented with its

own tools.

High availability is implemented on the

application server.

Messaging transformation is provided by

rules by using the tools provided. These

rules are stored in an internal database

that acts like a persistent repository.

Messaging transformation is provided by

code, by using provided templates.

40 Grid Computing Products and Services