Based on distance covered, the computer networks are divided into three main parts viz. There are different types of computer networks and they all have their advantages and disadvantages. 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. Advantages and disadvantages of local area network lan. This is cheaper than buying a printer for every workstations. It covers large geographical distance compare to lan and man types. There is no onpremises management equipment to update or maintain. Wan is designed to allow sharing of information over a broad geographical region. Every lan uses a protocol a set of rules that governs how packets are configured and transmitted. Lan can be formed using just two computers connected together using network card or.
The computers on a network are also coupled through cables, telephone lines, radio waves, satellites, or. Another advantage to having a lan connection is the cost. The wan is a network which is a collection of lans and other network types connected using router. Advantages and disadvantages of networks advantages. Advantages and disadvantages of lan local area network. Wide area network, commonly known as wan is a computer network that extends over a relatively large geographical area. It is a widely useful network for sharing resources like files, printers, games, and other application. 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.
Computer hardware resources like printers, modems, dvdrom drives and hard disks can be shared with the help of local area. What all are the advantages and disadvantages of a wan. To transfer data from any computer over the internet we use some technologies including. There is a danger of hacking, particularly with wide area networks. Advantages of wireless local area network wlan it is a reliable type of communication. Computer hardware resources like printers, modems, dvdrom drives and hard disks can be shared with the help of local area networks. 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 functions like a local area network lan, but on a larger scale. Connection can be through a copper wire, fiber optics, microwaves, infrared or satellite. Advantages and disadvantages of wide area network wan. What are the advantages and disadvantages of a wan. They provide a useful way of sharing resources between the end users such as the longdistance transmission of data, voice.
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. Difference between lan and wan networks s bharadwaj reddy june, 2016 march 29, 2018 the two most popular network types today are lan. A small office, a single building, multiple buildings inside a campus etc. 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. It mentions wan advantages or benefits and wan disadvantages or drawbacks. Advantages and disadvantages of wireless local area. A network is just two or more computers joined together. However, there are enough differences between the two to make them two separate acronyms. Networks also allow security to be established, ensuring that the network users may only have access to certain files and applications. Security each computer and device become another point of entry for undesirables.
Workstations do not necessarily need their own hard disk or cdrom drives which make them cheaper to buy t. This avoids problems where some users may have older information than others. In this section we will discuss the features each type. 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. The security and safety can peer through specifying the password for a certain resource, such as a shared. Group meetings wireless lan advantages flexibility. What are the advantages and disadvantages of a wan answers. Note that these network types are a separate concept from network topologies such as bus, ring and star. 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. Selling cisco smb foundation solutions networking fundamentals. It normally connects the computers and other devices within one office, building or a group of nearby buildings. A lan is confined to a small area, usually within a single building. Collection of autonomous computers interconnected by a single technology is called computer network.
As the naming conventions suggest, lans are for smaller, more localized networking in a home, business, school, etc. Like lan, it allows sharing of resources and application softwares among distributed workstations or users. This wireless communication facility is confined to a area of few meters only. Simply put, a wan is an ipbased network that connects two or more business locations. 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. 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. As wlan reduces physical wires so it is a flexible way of communication.
Its generally designed to support everything your various teams might need to share like internal communications, computer systems and your intranet. The basic lan implementation does not cost too much. Lans, wans the internet cse 32, fall 2010 instructor. A local area network, or lan, consists of a computer network at a single site, typically an individual office building. Local area network lan lans can be either wired or wireless. Local area networks lan and wide area networks wan. The locations they connect could be a few miles apart or halfway around the globe. Wide area network advantages and disadvantages of wans. Workstations can share peripheral devices like printers. 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. Power a good lan is required to be on all the times.
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. Peertopeer p2p networks and virtual private networks. Make use of a wireless transmission medium tipically restricted in their diameter. Each one has its benefits and downsides, and specific uses, click the above to learn more. Lan can be formed using just two computers connected together using network card or multiple computers connected using hubrouter. Types of area networks lan, man and wan geeksforgeeks. A description of a local area network lan in an office setting, and a wide area network wan. Components of a local area network like any other data communication network, a local area network is composed of three basic hardware elements.
Before discussing lan wan and man, let us know about the network network. 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. 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. A line bus topology is the cheapest in terms of cabling costs. Advantages of wan covers a large geographical area so long distance businesses can connect on the one network shares software a. It provides high data rate due to small area coverage. What is wide area network wan limitations and benefits.
It is expensive to set up lan because there is special software required to make a server. Lan local area network a lan connects network devices over a relatively short distance. 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. It covers large geographical area therefore networks can be made between long distances. 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. Cloud advantages make it easy to to configure and deploy and see data from aruba branch gateways, headend gateways, and virtual gateways from anywhere.
It is easy to control and manage the entire lan as it is available in one small region. Two computers are set to be interconnected if they are able to exchange information. Difference between lan, man and wan with comparison chart. 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.
Among these types, lan has lowest coverage upto 2 milesor 2500 meters and data rates 10100 mbps. Definition wan wan stands for information technology term in english. This facility is very useful for communication within a building or campus. This is mainly due to the technological components of a lan, which brings me to the next difference. It is relatively cheap to have as it tends to require less hassle to set up and less advanced infrastructure to keep it running. This page covers advantages and disadvantages of wan. Wireless made the communication more easy in todays world. Nodes in a lan are linked together with a certain topology. 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. Local area networks lan and a wide area network wan are similar in many ways. Wide area networks wan is type of computer network to connect offices which are located in different geographical locations.
There may be file server on the lan used for sharing of files and folders among lan users. A local area network lan is a private computer network that connects computers in small physical areas. The special administrator is required to maintain and troubleshoot lan for a large office. 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. Lan and wan were the original categories of area networks, while the others have gradually emerged over many years of technology evolution. 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.
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