Chapter . Wide Area Application Services
For all the reasons we want to centralize storage, it is also highly desirable to centralize application servers.
Again, the trick is how to have central application servers being used by employees in branch offices over a WAN without impacting application performance. The WAN, because of its limited bandwidth and relatively longer latencies than a LAN, inherently slows down applications (to a grinding halt if we are not careful).
Because most employees at a typical company now work in branch offices, it is highly preferable that those employees be as productive as those working at the corporate headquarters. To do so, they must have access to the same applications and have near-LAN ...