In the simplest form, sometimes referred to as messaging in a box, all the components of the messaging server run on a single system (FIGURE 3-1) and no proxy is involved.
The components are:
The benefits and drawbacks to this type of architecture are:
Easy to manage
Easy to troubleshoot
Low total cost of ownership (TCO)
Limited scalability— This architecture is obviously limited in scalability to the computer system's size (CPU and memory) and operating system's scalability. Do not let this fool you into thinking that ...