Client Server Networks

A Computer networking model where one or more powerful computers (servers) provide the differentcomputernetwork services and all other userof computer network (clients) access those services to perform users tasks is known as client/server computer networking model. In such networks, there exists a central controller called server. A server is a specialized computer that controls the … Continue reading “Client Server Networks”

A Computer networking model where one or more powerful computers (servers) provide the differentcomputernetwork services and all other userof computer network (clients) access those services to perform users tasks is known as client/server computer networking model.

In such networks, there exists a central controller called server. A server is a specialized computer that controls the network resources and provides services to other computers in the network.

All other computers in the network are called clients. A client computer receives the requested services from a server.

A server performs all the major operations like security and network management.

All the clients communicate with each other via centralized server

If client 1 wants to send data to client 2, it first sends request to server to seek permission for it. The server then sends a signal to client 1 allowing it to initiate the communication.

A server is also responsible for managing all the network resources such as files, directories, applications & shared devices likeprinteretc.

If any of the clients wants to access these services, it first seeks permission from the server by sending a request.

Most Local Area Networks are based on client server relationship.

Client-server networking became popular in the late 1980s and early 1990s as many applications were migrated from centralized minicomputers and mainframes to computer networks of persona computers.

The design of applications for a distributed computing environment required that they effetely be divided into two parts: client (front end) and server (back end). The network model on which they were implemented mirrored this client-server model with a users PC (the client) typically acting as the requesting machine and a more powerful server machine to which it was connected via either a LAN or a WAN acting as the supplying machine. It requires special networkingoperating system. It provides user level security and it is more expensive.

Advantages of Client Server Networks

2. Use of dedicated server improves the performance of whole system.

3. Security is better in these networks as all the shared resources are centrally administered.

4. Use of dedicated servers also increases the speed of sharing resources.

Disadvantages of Client Server Networks

1. It requires specialized servers with largememoryand secondary storage. This leads to increase in the cost.

2. The cost of network operating system that manages the various clients is also high.

3. It requires dedicated network administrator.If you liked this article, you can also catch us onfacebookandGoogle+

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Dinesh Thakur holds an B.SC (Computer Science), MCSE, MCDBA, CCNA, CCNP, A+, SCJP certifications. Dinesh authors the hugely popular Computer Notes blog. Where he writes how-to guides around Computer fundamental , computer software, Computer programming, and web apps. For any type of query or something that you think is missing, please feel free to contact us.

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