Examples of wan technologies and protocols include frame relay, atm, and dsl. Wide area network technologies design and implement high. C wan must be able to grow as needed to cover multiple cities, even countries, and continents. Approximately all current lans whether wired or wireless are based on ethernet.
Wan or wide area network is a computer network that spans over a large geographical area. Lan s are easy to design and troubleshoot exchange of information and sharing of resources becomes easy because of lan. In lan all machines are connected to a single cable. Ip addresses are 32 bit long, hierarchical addressing scheme. On a local area network data transfer speeds are higher than wan and man that can extend to a 10. A communication medium used for wide area network is pstn or satellite link. Selling cisco smb foundation solutions networking fundamentals. Lan s enable the sharing of resources such as files or hardware devices that may be needed by multiple users is limited in size, typically spanning a few hundred meters, and no more than a mile. Wide area network may or may not be privately owned. A local area network lan is a network that is restricted to smaller physical areas e.
A set of switches and routers are interconnected to form a wide area network. A wan could be a connection of lan connecting to other lan s via telephone lines and radio waves. 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. Lan wan man ppt pdf report presentation study mafia. Lans and wans can be interconnected via t1 or t3 digital leased lines. 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.
A lan is a network that is used for communicating among computer devices, usually within an office building or home. Local area network lan lan is a network which is designed to operate over a small physical area such as an office, factory or a group of buildings. As the naming conventions suggest, lans are for smaller, more localized networking in a home, business, school, etc. A local area network lan could be a cluster of computers and associated devices that share a standard communications line or wireless link to a server. Figure 11 shows the relative location of a lan and wan. Lan wan presentation free download as powerpoint presentation. The key difference between wan and lan technologies is scalability. Some segments of the internet are also wans in themselves. An interconnected collection of autonomous computers interconnected. Difference between lan, man and wan with comparison chart. Collisions may cause delays and waste of bandwidth. 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.
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