INTRODUCTION to Network Architecture & Topologies
In the present time where technology is playing a major role in every sector, it is important to communicate and transfer data and information among various locations within seconds. Computer Networking is an architecture that works on the exchange of data and information between computers. Concerning the transfer of data a physical connection is demanded using cables, and wireless modems among computers, and the most commonly used platform of computer network is the internet. Data is transformed, directed,d, and terminated through various network nodes of computer devices. These nodes commonly are devices like servers, hubs, repeaters, s, and routers. When two or more systems share and exchange information they are said to be inter-connected. There are various rules for the transfer of data among systems known and network protocols that define data formats and rules in which information can be exchanged. The most widely used protocol is TCP/IP (Chiang, 2008).
TASK 1: UNDERSTANDING OF LAN TECHNOLOGIES
LAN or local area network could be stated as a kind of computer network in which computers are inter-connected in a way by which information be exchanged, inter-communication,n, and resource sharing can be implemented. In simple terms, it is a network that allows multiple users to access the same resources of a system, regardless of the physical location of the user or computer resources. The primary usage of LAN architecture is implemented in small areas like schools, offices, or colleges. In LAN computer network architecture, each user can receive and send data addressed to it (Trulove, 2005). Various types of LAN topologies are available and are shared below:
STAR TOPOLOGY:
In this type of topology, every computer or system is straightly connected to a custom centralized node. The central station also known as Star Coupler carries two point-to-point links, in which one does work for transmission and one is used for receiving. The basic features of the star network include, Firstly it is quite expensive to implement. Secondly,y the speed is quite fast as every node has its particular cable. Thirdly if a cable gets busted then only a single computer gets affected. The whole architecture is completely dependent on the central device. It is the most general network topology (LocalArea Network k(LAN), 2013).
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BUS TOPOLOGY:
In this type of LAN topology, we design a long centralized cable that looks like a bus is utilized to interconnect the entire computer or the nodes altogether. Every computer carries a short cable which is inter-joined to the central cable or we can say links to the bus. The salient features of LAN are: Firstly its implementation is very cheap since a lesser amount of cables is required. Secondly,y it is fairly slow as all computers utilize the same cable for the transfer and reception of information and data. There can be interruptions if the central cable gets damaged (Chia