Types of Computer Networks

A computer network is a collection of computers that share resources. The network nodes provide the resources, and all of the computers on the network communicate with each other using a common communication protocol. Networks are made up of several components, including Clients and Routers. To build a computer network, you must first determine your needs. To help you determine your needs, let's explore some different types of computer networks. Here are some basic types of computer networks.

LAN (local area network)

A computer network may be a local area network (LAN) or a wide area networking (WAN). A LAN is a system for interconnecting computers within a small geographic area, such as a home, office building, school, or laboratory. A WAN covers a wider geographical area, and generally involves leased telecommunication circuits. Both types are used for different purposes. This article will discuss the differences between a LAN and WAN.

LAN technologies are vastly different, but most involve physical media, individual device interfaces, and protocols. Enterprise LANs often include a centralized server for better security and bandwidth. The latter is more popular with businesses, but it is still relatively slow. In addition, it can be more expensive. Using a WAN allows you to share hardware and software without having to buy new equipment. In addition, a LAN server gives you more bandwidth and speeds, which makes it more cost-effective for your business.


The function of a router is to connect devices in a network, or "network", and forward data packets to and from those devices. Data packets can be sent from and to the internet, and they need a specific address to be delivered to the intended destination. A local computer network is similar to a suburban street, while the Internet is like the world's highway. A router helps keep messages moving in the most efficient way possible.

Typically, a router joins two computer networks and may translate various protocols to ensure that all devices on a network receive the same information. A router can protect one network from another by reducing the number of broadcast domains it handles. As the number of networks grows, so does the size of its configuration table. As a result, routers are an essential piece of computer hardware. This article will discuss the various types of routers available in the market.


There are two primary types of switches for computer networks. Ethernet switches are a type of computer network device. Ethernet, formerly known as the medium access control protocol, was invented in 1983 by Mark Kempf while working for Digital Equipment Corporation. The company later produced multi-port switches using the MAC bridge and standardized the protocol. Kalpana, an Italian computer manufacturer, licensed the MAC Bridge patent to produce multi-port switches.

Datagrams are simple packets that contain just enough information to enable the switches to determine how to forward the packets. Each datagram contains the complete destination address of the destination host. An example network shows different addresses on each host. To determine the best route for a frame, a switch will consult its forwarding table, also known as the routing table. The forwarding information for switch 2 in the above network can be seen in Table 5.

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