By Gilbert Held
This single-volume computer reference offers entire info on all server concerns - that includes contributions from specialists within the box. Engineers for method proprietors, platforms integrators, significant resellers, end-users, and representatives from Hewlett-Packard, Novell, IBM, Compaq, Microsoft, and NEC proportion their rules and adventure on such subject matters as client/server dispensed processing; the arrival of extra strong, refined servers; server dependability; server functionality; and extra.
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Extra info for Server Management
Sample text
Since a computer network is based on the Distributed Computing model, we can define network services as functions that are shared or shareable by way of the network. Just as your individual PC uses a combination of hardware and software to provide its services, so does the network. 29 AU9823/ch03/frame Page 30 Thursday, January 20, 2000 10:02 AM THE ROLES OF THE SERVER A service provider is any combination of hardware and software that fulfills some particular job or function. Keep in mind that today’s computers are able to perform many tasks at the same time, so our definition of a service provider is not necessarily a computer, but rather the combination of hardware and software required to perform the function or service.
This practice became affectionately known as “sneaker net” because network services were provided on foot. It’s easy to see that this process is expensive and time consuming. It also can lead to reliability problems with the data involved. Suppose both Jane and Bill “sneaker net” a copy of the same file from Tom’s computer. Both Jane and Bill make changes to the data; at this point there would be three different copies of the same file — the original copy on Tom’s computer, plus the two modified copies that Jane and Bill have.
However, there are a variety of costs associated with these 19 AU9823/ch02/frame Page 20 Thursday, January 20, 2000 10:00 AM THE ROLES OF THE SERVER decisions, and they must be identified, quantified, and evaluated in order to make effective decisions. These are the decisions that have to be made in order for your company’s staff to focus on your company’s business. Making these decisions, however, is not always easy. Whether you’ve got stand-alone PCs or you already have a network, there are two primary considerations to evaluating the addition of a server: economic and technical.