
38 End-to-End e-business Transaction Management Made Easy
2.1 Typical e-business transactions are complex
Figure 2-1 depicts a typical e-business application. Typically, it will involve
multiple firewalls and an application that will have many components distributed
across many different servers.
Figure 2-1 Typical e-business transactions are complex
As you can tell from Figure 2-1, there are also multiple machines doing the same
piece of work (as is indicated by the duplication of the Web servers, application
servers, and databases). This level of duplication is needed to ensure high
availability and to handle a large number of concurrent users. ...