The internet is one of the biggest wan in the world. As an introduction into wan, this course teaches satellite network basics, as well as how the various wan. Local area networks lans have become commonplace in most medium and large companies. There are more than one ways to build widearea networks employing various types of connections, technologies, and devices. I initially developed this material as a single weeks lecture in the si502networkedcomputingcourse that i taught at the university of michigan school of information starting in 2008. A wide area network is quite bigger network than the lan.
Internet, tcpip, security, network design, lan, wan, encryption, vpn, ipsec. A wide area network wan is a data network, usually used for connecting computers, that spans a wide geographical area. A wide area network is widely used in the field of business. A small office, a single building, multiple buildings inside a campus etc. Types of area networks lan, man and wan geeksforgeeks. Introduction to wide area network protocols presentation.
The wired lan is affected by byods bring your own devices when the devices attach to the wired network. Wide area networks wan is type of computer network to connect offices which are located in different geographical locations. If the company connects these two lans together using wan technology, a wan is created. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Business, as well as education and government entities use wide area networks to relay data to staff, students.
Introduction to wide area networks 8th edition by westnet learning, student guide afterword, westnet signature series series editor paperback, 476 pages, published 2012. Chapter 11 wide area networks free ccna study guide. Broadcast networks 2classify interconnected processors by scale. Wide area network wan wan or wide area network is a computer network that extends over a large geographical area, although it might be confined within the bounds of a state or country. Pdf design and implementation of system and wide area. You must have a clear idea of the lay of the land between two points before you can determine if a link is even possible. A network consists of 2 or a lot of computers that are coupled so as to share resources such as cds and printers, exchange files, or enable electronic communications. They can be private to connect parts of a business or they can be more public to connect smaller networks together. This lesson explains what wans wide area network are with some examples of leased lines, dcedte, csudsu, dsl, cable and more. There are more than one ways to build wide area networks employing various types of connections, technologies, and devices. A wan wide area network is a communications network that spans a large geographic area such as across cities, states, or countries.
A wide area network wan is a large network of information that is not tied to a single location. Once you use connections for external resources, for example, an internet connection we call it a wan wide area network connection. Networking components and devices introduction pearson. A computer network is a group of devices connected with each other through a transmission medium such as wires, cables etc. A free powerpoint ppt presentation displayed as a flash slide show on. Pdf on wide area network optimization researchgate. Pdf short 57 page paper on wide area networks prepared for the it data communications course. Wide area networks wan comprise the data networks covering individual cities, to the entire globe.
Local area network designintroduction to local area networks. Introduction to date, the machinetomachine communication m2m business has been dominated by the owners of the wide area cellular networks wan, namely, the mobile network operators grouped under the gsma and 3gpp associations. A local area network lan is a private computer network that connects computers in small physical areas. Download this computer networking pdf excerpt from computer networks, a book that addresses the key principles of computer networks. Wans often connect multiple smaller networks, such as local area networks lans or metro area networks mans. Wide area networks wans encyclopedia business terms. Study 35 terms computer science flashcards quizlet. Bus topology the bus topology consists of a single cable that runs to every workstation. Wide area network technologies overview a wide area network wan is a computer network covering multiple distance areas, which may spread across the entire world. A wide area network, or wan, is a network that spans a large geographical area. Wans are operated by companies like phonecable companies, service.
A wide range of devices are used in modern networking. An intranet simply describes the network area that is normally accessed only by internal personnel. Network interface cards nics, isdn adapters, and system area network cards. Examples of a man are the part of the telephone company network that can provide a highspeed dsl line to the customer or the cable tv network in a city. Wide area networks are often established with leased telecommunication circuits. A 4g network that services populated areas across a region or country. Wide area network wan, a computer communications network that spans cities, countries, and the globe, generally using telephone lines and satellite links.
A telecom company provides home internet services to consumers in hundreds of cities by connecting their homes with fiber. When we need access to other remote networks, connect two lans together or give others access to our lan, we need a wan wide area network. Protocols specify services the network uses and the sequence of. Wide area networkwan when network spans over a large distance or when the computers to be connected to each other are at widely separated locations a local area network cannot be used. Wans can provide communication, the sharing of information, and much more between devices from around the world through a wan provider.
Relay wide area network wan connections between the. The easiest way to understand what a wan is to think of the internet as a whole, which is the. Introduction to wide area networks utilize windows. This online course explains the principles of operation, capabilities and features of various types of wide area network and describes the requirements of different types of traffic and how these can be met. Find, read and cite all the research you need on researchgate. Local area networks lanssmall geographic regions e. Introduction to wide area networks by westnet learning. Before discussing lan wan and man, let us know about the network network. The wan is a place in the network that aggregates various types, speeds, and links running a disparate set of protocols together crossing metropolitan, state, and even country boundaries. Local area networks lan and wide area networks wan. Wide area network technologies design and implement high. As the name implies, wans cover large geographical areas.
Wans can be used to connect cities, states, or even countries. A wide area network wan is a telecommunications network that extends over a large geographical area for the primary purpose of computer networking. Local area network designintroduction to local area. A wide area coverage is provided by cellular networks, a reason of a wide adoption of second generation 2g and third generation 3g technologies for m2m communication. The wide area network wan service offers statewide internet protocol ip data communications connectivity at commercially available rates to any authorized government entity. Wide area networks wanslarger geographic distance e. A company has two offices, one in london and one in berlin. The communication between different users of wan is established using leased telephone lines.
Protocols for wide area networks wan and for local area networks evolved independently until the 80s because purposes were different. A widearea network wan enables you to extend your localarea network lan to other lans at remote sites. The network of a company in a single building is considered a lan. The term wide area network is used to describe a network that spans multiple geographic locations. Networking basics lans, wans, and mans three main networking technologies are used to connect computers and networks together. However, an impending decommissioning of these technologies 5, as announced by some mobile network operators mnos, will broaden the technology gap in connecting lowpower. The computers on a network are also coupled through cables, telephone. In the 90s the ip technology finally allowed to interconnect these two worlds. In chapter 1, foundation, learn how local and wide area networks wans are now built to connect more than computers. The managed wan service connects the customers local area network lan to other customer locations, other state agencies including its, and to the internet using. Widearea data network performance engineering xfiles. Wan, t1, t3, e1, e3, j1, j3, oc, cabling, speed what is wan wan is used to connect two or more networks over a long distance. A wide area network wan is a telecommunications network or computer network that extends over a large geographical distance.
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