Application Servers
To this point, we've devoted our discussion of transactional middleware to general terms, highlighting the features and functions of TP monitors as prime examples of transactional middleware. We should never underestimate the importance of TP monitors. Even so, we must also consider a different breed of transactional middleware.
Application servers not only provide a location for application logic and interface processing, they also coordinate many resource connections (see Figure 7.4). They are typically Web-enabled and bring transaction processing to the Web through any number of mechanisms (see the tidbit “Considering Object State Management and Application Servers” later in this section).
Figure 7.4. Application servers ...
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