This tutorial only covers the first three network technologies i. These lan technology is the special combinations of software and hardware which makes the network perform at a specific speed and in the certain way. Packet switching and circuit switching wan technologies. A metropolitan area network or man is consisting of a computer network across an entire city, college campus, or a small region. Introducing wans in this video, anthony sequeira discusses wide area networking and distinguishes these technologies from lans. Organizations need to deploy wan technologies and services that ensure their distributed sites and users can reliably and securely connect to centrally located or cloudbased applications. The moment packets hit the routers internet interface, they become at what is called wan. Full duplex two wires per station, one to send, one to receive switches only, no repeaters or bridges, and no collisions. Wan network system could be a connection of a lan which connects with other lans using telephone lines and radio waves. Lan, man, and wan are the three types of the network designed to operate over the area they cover. Here are some redirects to popular content migrated from docwiki.
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. Compute l for a 100 mbsec lan s compute l for a 1 gbsec lan s youll see the 1 gbsec lan isnt feasible with traditional lan. Wireless lans, particularly in home networks, are peer to peer. 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. Sdwan uses multiple tunnels to increase and optimize wan bandwidth between different types of wan technologies, a big advantage over traditional ipsec vpns. Example the network in an office building can be a lan. Lan and wan technologies lan and wan technologies networking and internetworking networking connecting of a computer or device station, host, endsystem, endnode to another internetworking connecting of a network to another protocol a set of rules that controls how communications take place local area network lan. A lan local area network is a group of computers and network devices connected together, usually within the same building. Sd wan uses multiple tunnels to increase and optimize wan bandwidth between different types of wan technologies, a big advantage over traditional ipsec vpns.
If a wan technology other than a t1 line is used, a different device will be required. C wan must be able to grow as needed to cover multiple cities, even countries, and continents. Wans compared with lans and mans wide area networks facilitate communication across long distances. Before discussing lan wan and man, let us know about the network. By definition, the connections must be high speed and relatively inexpensive e. Plus, get practice tests, quizzes, and personalized coaching to help you succeed. Spanning tree protocol stp for ccna rs 200125 and icnd2 200105 candidates duration. The cisco docwiki platform was retired on january 25, 2019. Lan and wan technologies networkinginternetworking hardware. Recall that wan technologies operate at both physical and datalink layers of the osi models, and that higherlayer protocols such as ip are encapsulated when sent across the wan link. Local area network technologies overview local area network lan is a data communications network connecting terminals, computers and printers within a building or other geographically limited areas. Our enterprise network analysis example shows the following operational capacity. Connection can be through a copper wire, fiber optics, microwaves, infrared or satellite.
Wan services as discussed in the 2014 state of the wan report, network organizations currently make relatively little use of wan services other than mpls andthe internet and the use they do make of those other services is decreasing somewhat rapidly. A lan connection is a highspeed connection to a lan. Such services are readily accessible to central site users through their lan but how will users working remotely gain access to these resources. This helps to improve sd wan network performance and reliability.
This section discusses the purpose of wans, introduces wan terminology, wan devices, and circuitswitch packetswitch networks. Turn to our wan services to keep your network running smoothly while keeping the pressure off it staff. Wan technologies and services resources and information. Data communication and computer network 6 wan may use advanced technologies such as asynchronous transfer mode atm, frame relay, and synchronous optical network sonet. Lanwan technologies free download as powerpoint presentation. Collection of autonomous computers interconnected by a single technology is called computer network. Introduction august 2014 series 3 introduction the mpls wan technology design guide provides flexible guidance and. Wan wide area network is another important computer network that which is spread across a large geographical area. In the simplest of terms, a wireless localarea network wlan does exactly what the name implies. Local area network lan is a data communication network connecting various terminals or computers within a building or limited geographical area.
Softwaredefined networking capabilities can be applied as a virtual overlay to a companys current wan connection, which would typically be mplsbased today. Current local area networks lans runs at bandwidth speeds of 100 mbps, 1 gbps or 10 gbps. The lan technology will assist the devices on the network communicate with each other. To reduce the time needed to deploy new technologies that support. These devices could be connected through wired cables or wireless links. Types of area networks lan, man and wan geeksforgeeks. To cover great distances, wans may transmit data over leased highspeed phone lines or wireless links such as satellites. Introduction august 2014 series 4 design overview this guide, the mpls wan technology design guide, provides a design that enables highly available, secure, and optimized connectivity for multiple remotesite lans. Local area network lan wide area network wan metropolitan area network man wireless local area network wlan storage area network san. Dive into our resources to learn which wan infrastructure best fits your companys needs. Pdf on wide area network optimization researchgate. Lans, local area networks, and wans, wide area networks, were designed to allow computers to communicate with each other to share files and information. 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. Lan and wan technologies networkinginternetworking.
As network requirements have continued to grow, with video becoming an extremely popular medium to transmit across a network, so too have the sophistication and speed of lan and wan technologies. Sdwan, or softwaredefined wide area network, is the newest capability in the world of wan. However, an alternative to these cable based connections for lan is wifi, whilst an alternative for wan cable technologies is wimax. A wan is usually terminated on a cisco devices serial interface.
A network spanning a physical area larger than a lan but smaller than a wan, such as a city. We have offered indepth coverage of the following wan technologies so far in this chapter. Local area networks university of california, berkeley. Mar 02, 2017 spanning tree protocol stp for ccna rs 200125 and icnd2 200105 candidates duration. However, currently there are multiple networking technologies in use which have been enlisted below. Internetwork a network of networks is called an internetwork, or simply the internet. This technology was invented by bob metcalfe and d. This ensures applications have the highest qos, increased wan speeds, as well as additional network redundancy and failover. Serial interfaces support a wide variety of wan encapsulation types, which must. Different types of wan technologies data networking. Pdf applications, deployed over a wide area network wan which may connect across. There are some similarities and dissimilarities between them. Mar 20, 2020 wan wide area network is another important computer network that which is spread across a large geographical area. As a member, youll also get unlimited access to over 79,000 lessons in math, english, science, history, and more.
Let us go through various lan technologies in brief. The immediate focus will be on the fol lowing design. The two most common switching methods are circuit switching and packet switching. Carriers can now take advantage of ethernet as a transport for their network backbone and their service media. It is mostly limited to an enterprise or an organization.
The computers on a network are also coupled through cables. Local area network technologies design and implement high. The switching function provides communication pathways between two endpoints and manages how data flows between them. 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. Difference between lan, man and wan with comparison chart. Accessing the wan ccna exploration labs and study guide. Apr, 2010 lan and wan technologies lan and wan technologies networking and internetworking networking connecting of a computer or device station, host, endsystem, endnode to another internetworking connecting of a network to another protocol a set of rules that controls how communications take place local area network lan. In this video, anthony sequeira discusses wide area networking and distinguishes these technologies from lans. Some segments of the internet are also wans in themselves.
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. Wide area network wan is a computer network that covers a broad area i. Understanding wan technologies and why networks were divided to local area networks lan and wide area network wan will help you distinguish among what i call packet carriers technologies which carry generated packets among network devices from hop to hop. Ethernet wans ethernet began life as a lan technology and remained so for quite a while because distance limitations made. Wide area networks wan has lower bandwidth rates compared with local area network lan.
Learn how managed wan services from verizon enterprise solutions can help you get the most out of your it investments. Wan technologies followed by information on the selected wan of focus a hybrid wan. Finally, we discuss major wan optimization techniques which have been incorporated in widely. Examples of wan technologies and protocols include frame relay, atm. Wan wide area network is the network that connects the geographical far areas. Current wide area networks runs on bandwidths of 20 mbps, 50 mbps or 100 mbps. A man is typically owned and operated by a single entity such as a government body or large corporation. Two computers are set to be interconnected if they are able to exchange information. Secara garis besar, di dalam artikel pengertian lan man wan ini, ketiganya berfungsi sebagai penghubung antar komputer, tetapi wan merupakan kumpulan dari lan dan man dari berbagai lokasi di dunia.
A set of switches and routers are interconnected to form a wide area network. Integrated service digital network isdn, shown in figure 291, is an example of a circuitswitched network. Ethernet, token ring and wireless lan using ieee 802. Network which uses shared media has high probability of data collision. Wide area network technologies design and implement high. The network allows computers to connect and communicate with different computers via any medium. 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. Wan juga membantu pengguna untuk memberikan informasi file dengan mencakup daerah yang lebih besar. As the naming conventions suggest, lans are for smaller, more localized networking in a home, business, school, etc.
Wide area network wan personal area network pan a lan is a network that is used for communicating among computer devices, usually within an office building or home. Ethernet the next generation wan transport technology. Mar 29, 2016 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. The csudsu converts the signal for use on an ethernet or other lan technology network. A lan based on wifi wireless network technology metropolitan area network. The connection among the devices could be wired or wireless. It can be used for a client to connect to the corporate network, connections between the branch offices of a company and similar wide area connections etc. Campus wired lan valid ated technology design guide design valid ated design get vpn technology design guide valid ated design vpn wan technology design guide. The key difference between wan and lan technologies is scalability. In this section, we will briefly introduce you to a handful of other wan protocols. Wide area network wan wan covers a large geographic area such as country, continent or even whole of the world. What is the difference between a lan, a man, and a wan. Jul 01, 20 in this video, anthony sequeira discusses wide area networking and distinguishes these technologies from lans.
Lan technologies provide both speed and cost efficiency for the transmission of. This helps to improve sdwan network performance and reliability. Lans are privately owned to carry internal data traffic within organisation coverage area wide area network. Now take a look at the technologies that are available today to design largescale lanwan systems. Technical cisco content is now found at cisco community, and cisco devnet.