Types of Network Operating System

 

Network operating systems can be specialized serve as:

• Peer To Peer System
• Client-Server System

Peer To Peer Network Operating System:

Peer To Peer networks are the network resources in which each system has the same capabilities and responsibilities, i.e., none of the systems in this architecture is superior to the others in terms of functionality.

There is no master-slave relationship among the systems, i.e., every node is equal in a Peer Peer Network Operating System. All the nodes at the Network have an equal relationship with others and have a similar type of software that helps the sharing of resources.

A Peer to Peer Network Operating System allows two or more computers to share their resources, along with printers, scanners, CD-ROM, etc., to be accessible from each computer. These networks are best suitable for smaller environments with 25 or fewer workstations.

To establish a Peer Peer Network, you need network adapter cards, properly installed network cabling to connect them, and a network hub or switch to interconnect the computers.

Peer to Peer Networks is organized, simply a group of computers that can share resources. Each computer in a workstation keeps track of its user accounts and security settings, so no single computer is in charge of the workgroup. Workgroups have little security, and there is no central login process. Any user can use any shared resources once he logs into a peer on the Network. As there is no central security, sharing resources can be controlled by a password, or the user may stop the accessibility of certain files or folders by making them not shared.

Advantages of Peer To Peer Network Operating System:

• This type of system is less expensive to set up and maintain.
• In this, dedicated hardware is not required.
• It does not require a dedicated network administrator to set up some network policies.
• It is very easy to set up as a simple cabling scheme is used, usually a twisted pair cable.

Disadvantages of Peer To Peer Network Operating System:

• Peer to Peer networks are usually less secure because they commonly use share-level security.
• This failure of any node in a system affects the whole system.
• Its performance degrades as the Network grows.
• Peer to Peer networks cannot differentiate among network users who are accessing a resource.
• In Peer to Peer Network, each shared resource you wish to control must have its password. These multiple passwords may be difficult to remember.
• Lack of central control over the Network.

Client-Server Network Operating System:

In Client-Server systems, there are two broad categories of systems:

• The server is called the backend.
• A client called as frontend.

Client-Server Network Operating System is a server-based Network in which storage and processing workload is shared among clients and servers.

The client requests offerings which include printing and document storage, and servers satisfy their requests. Normally all community offerings like digital mail, printing are routed through the server.

Server computers systems are commonly greater effective than client computer systems. This association calls for software programs for the customers and servers. The software program walking at the server is known as the Network Operating System, which offers a community of surroundings for server and client.

Client-Server Network was developed to deal with the environment when many PC printers and servers are connected via a network. The fundamental concept changed to outline a specialized server with unique functionality.

For Example: Number of customers are related or connected to a file server that stores the files of client machines. Another system might be special as a Print Server to satisfy the printing request with the aid of using the diverse customers. Web servers or email servers are different specialized servers that may be utilized in a Client-Server system.

Advantages of Client-Server Network Operating System:

• This Network is more secure than the Peer Peer Network system due to centralized data security.
• Network traffic reduces due to the division of work among clients and the server.
• The area covered is quite large, so it is valuable to large and modern organizations because it distributes storage and processing.
• The server can be accessed remotely and across multiple platforms in the Client-Server Network system.

Disadvantages of Client-Server Network Operating Systems:

• In Client-Server Networks, security and performance are important issues. So trained network administrators are required for network administration.
• Implementing the Client-Server Network can be a costly issue depending upon the security, resources, and connectivity.

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