Client/Server Configuration and Open System Interconnection (OSI) Model

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Client/Server Configuration and Open System Interconnection (OSI) Model Client/Server Configuration Client/Server is a configuration of the computer network that includes a server and one or more clients. The client manages the local resources that ar

Client/Server Configuration and Open System Interconnection (OSI) Model

Client/Server Configuration

Client/Server is a configuration of the computer network that includes a server and one or more clients. The client manages the local resources that are used by the user such as monitor, keyboard, CPU and peripherals. The server is a more powerful system which manages shared resources such as databases, printers, resources communication links or high powered-processors and handles all the incoming requests for its shared resources.

Server is a centralized and dedicated entity which manages data, printers or network traffic depending upon the type of the server. The server must run a server program to share its resources. In a network, one server can be used for multiple purposes or you can have multiple servers for specific applications. Many programs are built into the Operating System (OS) which can be used for the sharing of resources and for other purposes. Client is a computer on which user runs applications. Clients can also be called as workstations. The network resources are stored on the server and are accessed by the clients. Clients cannot access shared resources available another client. Server has large storage capacity. It stores most of the information required by the clients. Client Server architecture is also known as two-tier architecture. The example of this type network is Novell Netware client/server system.

Open System Interconnection (OSI) Model

Open System Interconnection (OSI) model developed by the International Standards Organization (ISO) describes the flow of information from one computer to another. Open System Interconnection (OSI) model is also called ISO OSI Reference Model. Open System Interconnection (OSI) Model is a conceptual model that has seven layers. Physical, data link, network, transport, session, presentation and application are the seven layers of OSI model. Each layer performs distinct functions on the data in accordance with the previous layer functions. The application, presentation and session layers are called as upper layers. All the lavers of the OSI reference model use different protocols. Protocol defines the procedure that is to be followed during data transmission; it is the set of specified rules and standards used to transmit data from one device to other device. The different layers of Open System Interconnection (OSI) Model are discussed further in minute details in my upcoming articles.

 

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