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. Advantages and disadvantages of local area network lan. Wide area network advantages and disadvantages of wans. Telecom carrier network facilities wide area networks wans carried over same physical facilities as voice next lecture local loop, local switch, tandem switch, trunk carried on permanent circuits of much higher bandwidth than for a single voice call. This facility is very useful for communication within a building or campus. Like lan, it allows sharing of resources and application softwares among distributed workstations or users.
Workstations do not necessarily need their own hard disk or cdrom drives which make them cheaper to buy t. Advantages and disadvantages of networks advantages. Lan vs wan the benefits of each network type packetworks. This page covers advantages and disadvantages of wan. Difference between lan, man and wan with comparison chart. The basic lan implementation does not cost too much. Local area network cannot cover cities or towns and for that metropolitan area network is needed, which can connect the city or a group of cities. In this section we will discuss the features each type. There may be file server on the lan used for sharing of files and folders among lan users. Local area networks lan and a wide area network wan are similar in many ways. Among these types, lan has lowest coverage upto 2 milesor 2500 meters and data rates 10100 mbps.
Computer hardware resources like printers, modems, dvdrom drives and hard disks can be shared with the help of local area. Isdn integrated service digital network smds switched multimegabit data server sonet synchronous optical network hdlc high data link control sdlc synchronous data link control frame relay. Wan is designed to allow sharing of information over a broad geographical region. Lan and wan were the original categories of area networks, while the others have gradually emerged over many years of technology evolution. Wireless made the communication more easy in todays world.
The computers on a network are also coupled through cables, telephone lines, radio waves, satellites, or. There is a danger of hacking, particularly with wide area networks. However, there are enough differences between the two to make them two separate acronyms. A lan is confined to a small area, usually within a single building. Power a good lan is required to be on all the times. This avoids problems where some users may have older information than others. The security and safety can peer through specifying the password for a certain resource, such as a shared.
Based on distance covered, the computer networks are divided into three main parts viz. Simply put, a wan is an ipbased network that connects two or more business locations. Organizations can form their global integrated network. 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. It normally connects the computers and other devices within one office, building or a group of nearby buildings. Peertopeer p2p networks and virtual private networks. Local area network lan lans can be either wired or wireless. It is a widely useful network for sharing resources like files, printers, games, and other application.
As the naming conventions suggest, lans are for smaller, more localized networking in a home, business, school, etc. It covers large geographical area therefore networks can be made between long distances. Personal area networks pan local area networks lan metropolitan area networks man wide area networks wan global area networks gan the physical connection, which these network types are based on, can be cableconnected or implemented based on wireless technology. A lan is very useful for sharing resources, such as data storage and printers. Make use of a wireless transmission medium tipically restricted in their diameter.
Before discussing lan wan and man, let us know about the network network. Hence business offices situated at longer distances can easily communicate. Lan can be formed using just two computers connected together using network card or multiple computers connected using hubrouter. They provide a useful way of sharing resources between the end users such as the longdistance transmission of data, voice. What are the advantages and disadvantages of a wan. What all are the advantages and disadvantages of a wan. Advantages and disadvantages of networks bbc bitesize. A small office, a single building, multiple buildings inside a campus etc. Also, communication devices like hubs, switches, routers, cables are costly. 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. It is easy to control and manage the entire lan as it is available in one small region. A description of a local area network lan in an office setting, and a wide area network wan.
What are the advantages and disadvantages of having a lan. A local area network, or lan, consists of a computer network at a single site, typically an individual office building. Note that these network types are a separate concept from network topologies such as bus, ring and star. Collection of autonomous computers interconnected by a single technology is called computer network. It can be a single network such as cable tv network, or a measure of connecting a number of lans o a large network so that resources can be shared lan to lan as well as device to device.
There are many advantages of lan over man and wan, such as lans provide excellent reliability, high data transmission rate, they can easily be managed and shares peripheral devices too. Data sharing in lan is stored locally on each computer in the network so if a machine is not turned on, the other machines can not navigate to the shared files on that machine is. A wan functions like a local area network lan, but on a larger scale. It provides high data rate due to small area coverage.
A local area network lan is a private computer network that connects computers in small physical areas. Wide area networks wan is type of computer network to connect offices which are located in different geographical locations. Advantages of wireless local area network wlan it is a reliable type of communication. Types of area networks lan, man and wan geeksforgeeks. What are the advantages and disadvantages of a wan answers. Another advantage to having a lan connection is the cost. 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. A l ocal a rea n etwork lan is a group of computer and peripheral devices which are connected in a limited area such as school, laboratory, home, and office building.
Definition wan wan stands for information technology term in english. Twisted pair, coax or fibre optic cable can be used in wired lans. This is cheaper than buying a printer for every workstations. Nodes in a lan are linked together with a certain topology. A network is just two or more computers joined together. Every lan uses a protocol a set of rules that governs how packets are configured and transmitted. This is mainly due to the technological components of a lan, which brings me to the next difference. This wireless communication facility is confined to a area of few meters only. Wide area network is a computer network covering a large a. The simplest type of lan network is to connect computers and a printer in.
Two computers are set to be interconnected if they are able to exchange information. The special administrator is required to maintain and troubleshoot lan for a large office. Components of a local area network like any other data communication network, a local area network is composed of three basic hardware elements. There are many advantages of lan over man and wan, such as lans provide excellent reliability, high data transmission rate, they can easily be managed, and shares peripheral devices too. 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. There are different types of computer networks and they all have their advantages and disadvantages. Advantages of wan covers a large geographical area so long distance businesses can connect on the one network shares software a. As wlan reduces physical wires so it is a flexible way of communication. It is expensive to set up lan because there is special software required to make a server. Advantages and disadvantages of wide area network wan. 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. Cloud advantages make it easy to to configure and deploy and see data from aruba branch gateways, headend gateways, and virtual gateways from anywhere. To transfer data from any computer over the internet we use some technologies including. There are many advantages of lan over man and wan, such as lan s provide excellent reliability, high data transmission rate, they can easily be managed and shares peripheral devices too.
Its generally designed to support everything your various teams might need to share like internal communications, computer systems and your intranet. If your company is planning on creating a wide area network to boost global communications, its a huge benefit for you to know the advantages and disadvantages of wans. It is relatively cheap to have as it tends to require less hassle to set up and less advanced infrastructure to keep it running. Local area networks lan and wide area networks wan. The locations they connect could be a few miles apart or halfway around the globe. Ethernet is the most popular lan technology large installed base 500 million ethernet nodes more than 95% of lan traffic is ethernet based ethernet supports 10 mbs, 100 mbs fast ethernet, 1 gbs gigabit ethernet and 10 gbs 10gbe ethernet standardized by ieee 802. Advantages and disadvantages of lan local area network. The wan is a network which is a collection of lans and other network types connected using router. Lan can be formed using just two computers connected together using network card or. Selling cisco smb foundation solutions networking fundamentals.
Workstations can share peripheral devices like printers. In any discussion regarding lan vs wan, its important to weigh the pros and cons, as the respective advantages and disadvantages can affect your business productivity. Wide area network, commonly known as wan is a computer network that extends over a relatively large geographical area. Group meetings wireless lan advantages flexibility. 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. Difference between lan and wan networks s bharadwaj reddy june, 2016 march 29, 2018 the two most popular network types today are lan.
Lan local area network a lan connects network devices over a relatively short distance. A line bus topology is the cheapest in terms of cabling costs. Computer hardware resources like printers, modems, dvdrom drives and hard disks can be shared with the help of local area networks. Local area network cannot cover cities or towns and for that metropolitan area network is needed, which can connect city or a group of cities together. Lans, wans the internet cse 32, fall 2010 instructor. Connection can be through a copper wire, fiber optics, microwaves, infrared or satellite. It mentions wan advantages or benefits and wan disadvantages or drawbacks.
Security each computer and device become another point of entry for undesirables. Each one has its benefits and downsides, and specific uses, click the above to learn more. It covers large geographical distance compare to lan and man types. Advantages and disadvantages of wireless local area. What is wide area network wan limitations and benefits.
842 600 944 1235 100 712 420 255 921 1091 189 20 782 592 331 1392 1416 602 103 1672 334 1155 1124 132 1361 7 504 1311 83 48 1242 1081 1404 1200 1185 1056 767 431 1325 1312