The basic features include; clients and servers are functional modules equipped with specific interfaces, this means that they are capable of hiding internal information. Accordingly, the client and a server functions can be effected through a set of software components, hardware modules, or a combination of both. Secondly, every client/server relationship is established between two functional components. This means that the customer has the role of initiating a service request while the server elects to react to the service request. Moreover, all information exchange between clients and servers is conducted only through messages. Therefore, there is no information exchanged through other global variables. In other terms, the client/server model refers to a distributed application structure that divides tasks between the server and the client.On the other hand, a peer-to-peer network has lacked a central server and each client on this network shares files equally with the other clients. Therefore, this means that it is ideal for small enterprises, unlike the client/server architecture. The main reason being that they are cheap to install, operate and maintain. Secondly, it has no dedicated server and hence it is portable and less tasking as it is user-friendly- no security protocols needed. The concept of measuring the overall performance of a storage system, Input/output Operations per Second (IOPS) remains as the most used common metric. Accordingly, several factors should be considered when calculating the. Computer Systems Architecture and Administration.
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