A wide area network wan is a computer network that connects computers within a large geographical area comprising a region, a country, a continent or even the whole world wide area networks, generally called wans, are mostly public, leased or privatelyowned networks. For example, a business organization using a local area network for an office can use a single network printer for the employees of this office. Sep 19, 2018 wide area network, commonly known as wan is a computer network that extends over a relatively large geographical area. The internet is one of the biggest wan in the world. The book definition of a wan is a network that spans large geographical locations, usually to interconnect multiple local area networks lans. Aug 26, 2010 advantages of wan covers a large geographical area so long distance businesses can connect on the one network shares software and resources with connecting workstations messages can be sent very. Certain aspects of a wan can be costly, but there are ways to trim those costs so that they are affordable. Local area network lan local area network is the computer network that connects computers within the limited area such as schools, colleges or universities. Wans let businesses use standard resources to operate. What are the benefits of wide area network wan acceleration. One of the advantages is that because there are no fixed circuits, we can more effectively use the capacity that the network has to offer. For example, a business organization using a local area network for an office can use a. What is a network discuss the advantages of using a.
It covers large geographical area therefore networks can be made between long distances. Advantages of wide area network archives instrumentation tools. Current local area networks lans runs at bandwidth speeds of 100 mbps, 1 gbps or 10 gbps. One of the key disadvantages of wans is a security issue when many different people have the ability to use information from other computers.
A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. It mentions wan advantages or benefits and wan disadvantages or drawbacks. Assuming that proactive systems are developed and installed to counter the effects of the potential disadvantages, a computer network, at any level of connectivity, will help every society come closer to its full potential. A wide area network wan is a telecommunication network that is used for connecting computers and covers a wide geographical area. They provide a useful way of sharing resources between end users. They provide a useful way of sharing resources between the end users such as the longdistance transmission of data, voice. It mentions man advantages or benefits and man disadvantages or drawbacks. Wide area network solutions allow your organization to communicate across geographic boundaries such as cities, states and even. The wan is a network which is a collection of lans and other network types connected using router. Local area networks lan and wide area networks wan. Users may have access to or receive information at any network coverages in real time. The list gets pretty long, because there are obviously numerous benefits to be had if you can reduce traffic youre transmitting to remote locations. We provide wans to many uk businesses and our mpls wan pricing tool has been used by many thousands of organisations. The advantages of wide area network can connect the computer to a.
Local area networks, generally called lans, are privatelyowned networks. Wide area networks faces more security problem as compare to lans and mans. Data communication and computer network 5 backbone of man is highcapacity and highspeed fiber optics. Perhaps in one building or a few buildings close to each other called a campus. How a wide area network can help your business leased lines. Mengdi ji designing and planning a campus wireless local.
A wan could be a connection of lan connecting to other lans via telephone lines and radio waves. Computer networks international journal of science and research. Conclusion thus, a computer network that spans a relatively large geographical area. It interconnects number of lans using high capacity backbone technology.
Pdf applications, deployed over a wide area network wan which may connect across. The transmission of data is carried out with the help of hubs, switches, fiber optics, modem. They can be private to connect parts of a business or they can be more public to connect smaller networks together. Wan interconnects different sites, user terminals, and enable lans to communicate with each other. 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. A wan wide area network is a communications network that spans a large geographic area such as across cities, states, or countries.
Aug 29, 2008 the list gets pretty long, because there are obviously numerous benefits to be had if you can reduce traffic youre transmitting to remote locations. Each one has its benefits and downsides, and these advantages and disadvantages can affect an organizations productivity significantly. A discussion of wide area networking is extremely timely because after a long period with little if any fundamental innovation, the wan is now the focus of considerable innovation. One example is a network of a university or a business office at one location. This page covers advantages and disadvantages of wan. Before discussing lan wan and man, let us know about the network network. What is wide area network wan limitations and benefits. Nov 23, 2017 this video is about wan that is wide area network. Wide area networks wan is type of computer network to connect offices which are located in different geographical locations. What are the advantages and disadvantages of a wan answers.
So what exactly is the difference between a lan connection and a wan connection. The advantages of a wide area network are its size and speed, but it is often expensive and complicated to set up and maintain, requiring a trained network expert. Advantages and disadvantages of lan local area network. Lan, which stands for local area network, and wan, which stands for wide area network, are two types of networks that allow for interconnectivity between computers.
Advantages and disadvantages of wide area networks. Typically, a wan consists of two or more localarea networks lans. Local area network advantages and disadvantages of lan. Lan vs wan or local area networks lans and wide area networks wans have much in common, but the differences are enough to make them two separate acronyms in speech and in practice. Before we look into wide area network wan, we must have an understanding of what is local area network lan. Wide area network, commonly known as wan is a computer network that extends over a relatively large geographical area. A wide area network is quite bigger network than the lan. Difference between lan, man and wan with comparison chart. Wan or wide area network is a computer network that spans over a large geographical area.
Local area network, as the name suggests, is a network built in a limited area by using lan cables, switches and lan cards. Pdf in this article we discuss about the basic concepts of computer networks, network services, library networking and library resource sharing. This article will discuss the pros and cons of wide area networks. Wide area network solutions allow your organization to communicate across. There are many advantages of lan over man and wan, such as lans provide excellent reliability. As the naming conventions suggest, lans are for smaller, more localized networking in a home, business, school, etc. Computer accessories include printers, scanners, game consoles etc. Internet was never possible without the invention of intelligent switches, satellites, fibre optic cables and lan cards. Introduction to wans wide area network our own networks are called lans local area network.
Man works in between local area network and wide area network. The locations they connect could be a few miles apart or halfway around the globe. Lan is used to make the connection of computers within one building. The latest development in this area is software defined wan technology sdwan a specific application of software defined networking. As a result, for the first time in a decade network organizations have an opportunity to make a significant upgrade to their wan architecture. The packet switching and circuit switching technologies are effectively used in wans. A wide area network wan is a computer network that connects computers within a large geographical area comprising a region, a country, a continent or even. Nov 11, 2019 a wan wide area network is a communications network that spans a large geographic area such as across cities, states, or countries. Data allocations in local area networks lans, metropolitan area networks mans, and wide area networks wans are subject to different requirements and considerations. The advantages and disadvantages of computer networking show us that freeflowing information helps a society to grow.
What all are the advantages and disadvantages of a wan. Metropolitan network or man metropolitan area network. Local area network is a network for connecting computers and other computer accessories with each other. 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. Wide area network advantages and disadvantages of wans 2020. Wide area networks, or wans, have been around since the early 1990s, but the benefits and disadvantages of this method of communication are still being hotly debated by technology professionals around the world. Its called a local area network since all devices that make up the lan are close to each other. New thinking in branch office and wan edge design plus. May 01, 20 definition wan wan stands for information technology term in english. Computers and other hardware in a lan are connected within a short geographical distance, for example a building, a hospital or a school, through the use of guided media i. Wide area network wan is a type of network that provides transmission of voice, data, images, and videos over the large geographical area. Pdf on wide area network optimization researchgate.
General advantages and disadvantages of wide area network. Local area network lan wide area network wan you may also see references to a metropolitan area networks man, a wireless lan wlan, or a wireless wan wwan. This local area use of long due to the fact that longhaul packet communication technology has haul network technology, indicated by the shaded area of fig. A local area network lan is a private computer network that connects computers in small physical areas. 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. Computers connected to a widearea network are often connected through public networks, such as the telephone system. Definition, advantages and disadvantages of lan commonly abbreviated local area network lan is a computer network that covers only a small area networks, such as campus computer networks. Current wide area networks runs on bandwidths of 20 mbps, 50 mbps or 100 mbps.
Wide area network wan, a computer communications network that spans cities, countries, and the globe, generally using telephone lines and satellite links. Each one has its benefits and downsides, and specific uses, click the above to learn more. Widearea network wan access has become essential for larger. The practical definition of a wan is a network that traverses a public network or commercial carrier, using one of several wan. It can cover a country, a continent, or the whole world. A wide area network is widely used in the field of business. A small office, a single building, multiple buildings inside a campus etc.
A local area network lan can span a single building or campus, a metropolitan area network man can span a single city, a wide area network wan can span sites in multiple cities, countries, continents. This is an internal network to a business or organization, not. Wide area network wan is a computer network that covers a relatively large geographical area such as a state, province or country. They can also be connected through leased lines or satellites. On one hand, it allows you to consolidate resources in one central data center or in larger data centers scattered across your enterprise, rather than having distributed data in all of your potential remoteoffice locations. Definition, advantages and disadvantages of lan posted by. Wide area network wan 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. Wan is designed to allow sharing of information over a broad geographical region.
The latest development in this area is software defined wan technology sd wan a specific application of software defined networking. Firstly, wireless local area networks are more flexible and mobile than the wired ones and they will not be limited by cables. Advantages of wide area network archives instrumentation. Simply put, a wan is an ipbased network that connects two or more business locations. A wide area network is not limited to a single location, but it spans over a large geographical area through a telephone line, fibre optic cable or satellite links.
The transmission of data is carried out with the help of hubs, switches, fiber optics, modem, and routers. Wans are large communication networks that connect locations over a wide geographical area, including cities, states, countries, and continents. The computers on a network are also coupled through cables, telephone lines, radio waves, satellites, or. Lan vs wan the benefits of each network type packetworks. Local area networks lans and wide area networks wans have much in common, but the differences are enough to make them two separate acronyms in speech and in practice. There are two prevailing definitions of a wide area network wan. The internet is an example of a wan as it facilitates connectivity between users throughout the. If your company has branches in several locations, a wide area network is a viable option to boost productivity and increase internal communications. Wide area network advantages and disadvantages of wans. Before going into the main topic let me first discuss what is lan. Advantages and disadvantages of wide area network wan.
Definition of wide area network wan wide area network wan is a type of network that provides transmission of voice, data, images, and videos over the large geographical area. Wide area networks wan has lower bandwidth rates compared with local area network lan. The communication between different users of wan is established using leased telephone lines. Disadvantages of a wide area network wan security problems. Wan is made up of two or more local area networks lans or metropolitan area networks mans that are interconnected with each other. Definition wan wan stands for information technology term in english. Advantages of wan covers a large geographical area so long distance businesses can connect on the one network shares software and resources with.
What is a network discuss the advantages of using a network. Advantages and disadvantages of local area network lan it. This avoids problems where some users may have older information than others. Wide area network is a computer network covering a large a.
If your company operates from several different sites, you should consider getting a wide area network or wan for short. The computers on a network may be linked through cables, telephone lines, radio waves, satellites, or infrared light beams. With many advantages of wide area network, there are also some disadvantages associated, which though can be addressed by using latest technologies. Unknown wednesday, may 1, 20 commonly abbreviated local area network lan is a computer network that covers only a small area networks, such as campus computer networks, buildings, offices, in homes, schools or smaller.
Advantages and disadvantages of wide area network wan it. When you connect on the internet using live ips, anyone can intrude in and hack your system. Pdf networking and resource sharing among libraries. Transmission medium used are telephone lines, microwave and satellite links. Mar 02, 2017 a wide area network wan can provide fast and secure communication between offices, even if they are located far away from each other. Wide area network as the name suggests, the wide area network wan covers a wide area which may. Its generally designed to support everything your various teams might need to share like internal communications, computer systems and your intranet. If numerous lans are interconnected within a wide geographical area such as across continents then, they form a wide area network. Those who find it difficult to get idea of wide area network, internet is one live example of it.
This page covers advantages and disadvantages of man. What is a network discuss the advantages of using a network, and briefly explain the main types of networks. The internet most superior telecommunication network. What are the advantages and disadvantages of a wan. Wans often contain a few smaller networks lans, mans, etc. Computer hardware resources like printers, modems, dvdrom drives and hard disks can be shared with the help of local area networks. On one hand, it allows you to consolidate resources in one central data center or in larger data centers scattered across your enterprise. The advantages of modem and analog lines are simplicity, availability, and. Another benefit of wide area network is that you can distribute your work to other locations.
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