TOPOLOGY IN COMPUTER EPUB

The central computers of the star networks are connected to a main bus. Thus, a tree network is a bus network of star networks. Logical (or signal) topology refers to the nature of the paths the signals follow from node to node. In many instances, the logical topology is the same as the physical topology. Bus topology is a network type in which every computer and network device is connected to single cable. It transmits the data from one end to another in single. Network Topology. Computers in a network have to be connected in some logical manner. Network topology is illustrated by showing these nodes and their connections using cables. There are a number of different types of network topologies, including point-to-point, bus, star, ring, mesh, tree and hybrid.


TOPOLOGY IN COMPUTER EPUB

Author: Domingo Spinka II
Country: Malawi
Language: English
Genre: Education
Published: 2 September 2014
Pages: 376
PDF File Size: 45.87 Mb
ePub File Size: 45.99 Mb
ISBN: 983-2-42518-416-9
Downloads: 97454
Price: Free
Uploader: Domingo Spinka II

Download Now
TOPOLOGY IN COMPUTER EPUB

DCN - Computer Network Toplogies

Terrestrial microwaves are in the low gigahertz range, which limits all communications to line-of-sight.

These Earth-orbiting systems are capable of receiving and relaying voice, data, and TV signals. Cellular and PCS systems use several radio communications technologies.

The systems divide the topology in computer covered into multiple geographic areas. Each area topology in computer a low-power transmitter or radio relay antenna device to relay calls from one area to the next area.

Wireless LANs use spread spectrum technology to enable communication between multiple devices in a limited area. Free-space optical communication uses visible or invisible light for communications.

What is network topology? - Definition from

In most cases, line-of-sight propagation is used, which limits the physical positioning of communicating devices. Exotic technologies[ edit ] There have been various topology in computer at transporting data over exotic media: It was implemented in real life in Network topology is illustrated by showing these nodes and their connections using cables.

There are a number of different types of network topologies, including point-to-point, bus, star, ring, topology in computer, tree and hybrid.

Let's review these main types. Point-to-Point Point-to-point topology is the simplest of all the network topologies.

The network consists of a direct link between two computers. This is faster and more reliable than other types of connections since there is a direct connection.

How Star, Bus, Ring & Mesh Topology Connect Computer Networks in Organizations

Tree Topology Tree Topology: This is a "hybrid" topology that combines characteristics of linear topology in computer and star topologies.

In a tree network, groups of star-configured networks are connected to a linear bus backbone cable. A Tree topology topology in computer a good choice for large computer networks as the tree topology "divides" the whole network into parts that are more easily manageable.

The entire network depends on a central hub and a failure of the central hub can cripple the whole network. Failure of any host results in failure of the whole ring. Thus, every connection in the ring is a point of failure.

Network topology

There are methods which employ one more backup ring. Mesh Topology In this type of topology, a host is connected to one or multiple hosts.

TOPOLOGY IN COMPUTER EPUB

This topology has hosts in point-to-point connection with every other host or may also have hosts which are in point-to-point connection to few topology in computer only. Hosts in Mesh topology also work as relay for other hosts which do not have direct point-to-point links.

Mesh technology comes into two types:



Other: