Computer network topology is a technology that learns a technique to connect the computer with another computer, then form a network.
Topology in computer networks will affect the speed of communication between computers. So, learning about the topology of the network is very important.
Basically, the basic topology of a computer network is a map of the various computer networks. The network topology is divided into two, namely the physical topology and the logical topology.
Physically, the topology describes the arrangement of the labels, computer, as well as the location of all components of the network. Meanwhile, the logical topology specifies how the information or data flow in the network.
This article will discuss the understanding of the network topology computer at once its characteristics.
Various kinds of Computer Network Topology
Quoting from the Module’s Network Computer, published by the University of Gunadarma, the following types of computer network topology:
1.Computer Network Topology Bus
Topology contained on a computer network type of bus called the backbone. This topology uses coaxial cables that are stretched and the computer is connected on the cable.
Simply put, there is one cable that serves as a medium of transmission that extends from end to end. Both ends of the cable are covered with a terminator, which usually have electrical resistance of 60 ohm.
The use of the bus topology in a computer network has the cost of the installation cheaper. In addition, the damage that occurs on one computer will not affect the communication on the other computer.
If the main cable breaks, then the whole communication will be disconnected. A bus topology that uses the cable is very long will complicate the process of finding the cause of the disorder.
If there are many computers that are sending messages, it may cause communication speed to be slow.
2. Computer Network Topology Ring
The topology used in the computer network ring or a ring-shaped circular. All computers are connected on a ring-shaped network.
The end of the cable from each computer connected.
Topology type ring is a transmission medium that strings from the first terminal to the other terminal. In the end, forming a loop. Transmission line topology is only in one direction.
The failure occurred on one computer in the ring topology can be overcome by channeling data through other lines that are still connected.
However,if lots of data is sent in one and the same time, the delivery of data will be slow.
3. Computer Network Topology Star
Topology and computer network security model stars use a device called a concentrator. This tool can be in the form of a hub or switch, which becomes the center of the computers in the network.
Network management is easier. If an error occurs in the communication, it will be easy to find. Therefore, each of its components is directly connected to the central node.
Failure or fault in one component will not affect the other components. If a failure occurs in the control center, then all communication will be disconnected.
More and more computers are used on the star network, which will make communication slower.
4. Computer Network Topology Tree
Network topology tree is the development of the topology type of bus and star. In computer network topology, the model tree starts from a point called the headend.
The cable from the headend will be drawn into a branch that is connected to multiple terminals-shaped bus topology.
The use of computer network topology trees will encounter difficulties when looking for a way to show where the data will be sent, because it has many branches.
5. Computer Network Topology Mesh
Types of computer network topology mesh is usually formed due to the lack of planning when building a network, so the form of the network is irregular.
Communication failures in this topology are very difficult to detect. In fact, there are also some extravagances in the use of transmission media. No wonder, if the computer network topology model mesh is relatively expensive.
The difficulty level of computer network topology is comparable with the number of computers attached.
6. Computer Network topology WLAN
The topology of wireless uses Wireless Local Area Network which is almost similar to the LAN network. However, the WLAN uses a wireless device as a liaison network.
Topology WLAN using two modes, namely infrastructure mode and Ad-Hoc mode.
Communication that occurs in infrastructure mode has to go through the access point in the WLAN. As for the Ad-Hoc mode, the communication is connected directly with each computer.
That’s the explanation on computer network topology. You can use the topology according to the needs and cost-owned.
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