Lan and wan notes pdf

C wan must be able to grow as needed to cover multiple cities, even countries, and continents. Wide area networks wan is type of computer network to connect offices which are located in different geographical. Lan has short propagation delay than man as well as wan. Local area networks lan sharing transmission media by computers classifications of computer networks.

Selling cisco smb foundation solutions networking fundamentals. Lan networks can be implemented in multiple ways, for example twisted pair cables and a wireless wifi with the ieee 802. A set of switches and routers are interconnected to form a wide area network. 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. Lan and wlan planning, deployment, and evaluation maria magnusson communication systems school of information and communication technology kth royal institute of technology stockholm, sweden and switch nordic green ab ebruaryf 14, 20 examiner. Most indiana university bloomington departments are on lans. Lan is a group of network devices which allow the communication between connected devices. The moment packets hit the routers internet interface, they become at what is called wan. As the naming conventions suggest, lans are for smaller, more localized networking in a home, business, school, etc.

What is the difference between a lan, a man, and a wan. Another data link layer protocol is multiprotocol label switching mpls. Differences between lan and wan a local area network lan is a private computer network that connects computers in small physical areas. Figure 11 shows the relative location of a lan and wan. Difference between lan, wan, and man difference between. 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. Full forms of lan, man and wan are also mentioned this tutorial covers everything one like to know about networking basics including circuit switching vs packet switching, tcpip protocol fields, arprarp. This page on the difference between lan man and wan compares lan vs man vs wan and derives tabular difference between them. As mentioned lan is the short form of local area network.

The network allows computers to connect and communicate with different computers via any medium. Local area networks lan and wide area networks wan. Lan, man, and wan are the three types of the network designed to operate over the area they cover. Before discussing lan wan and man, let us know about the network network. Connecting your lan to a wan using dsl or cable modems. It can be a single network such as cable tv network, or a measure of connecting a number of lan s o a large network so that resources can be shared lan to lan as well as device to device. 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. Lan, wan,man today, we will discuss the main types of computer networks on the basis of the maximum distance covered where they can be accessed and operate. Most lans are used to connect computers in a single building, campus, office or room etc. The ap uses wireless communications to send and receive frames with the wlan clients the laptops.

Computers connected by communication channels that each connect exactly two computers forms mesh or pointtopoint network. A local area network, or lan, is a network of computers and network devices connected together, usually confined to a single room, building, residence, office building, or university campus. Types of computer networks find notes the easy way. Description of the lan topologydescription of the wan topologydescription of the network connectors such as routers, bridges, repeaters, and gateways. A network is just two or more computers joined together. Nodes in a lan are linked together with a certain topology. Broadcasts do not traverse a wan unless the layer 3 edgerouting device is con. In this section we will discuss the features each type. Twisted pair, coax or fibre optic cable can be used in wired lan s. Prerequisite types of area networks lan, man and wan local area network lan. You will also identify procedures and commands for troubleshooting each issue.

It is generally limited to a geographic area such as a writing lab, school. A local area network lan is a network that is confined to a relatively small area. The book definition of a wan is a network that spans large geographical locations, usually to interconnect multiple local area networks lans. Explain different types of computer networks lan, man, wan. Local area networks or lan s are usually located in a single room or small building. Difference between lan, man and wan with comparison chart. There are two prevailing definitions of a wide area network wan.

The key difference between wan and lan technologies is scalability. The practical definition of a wan is a network that traverses a public. There are different types of computer networks and they all have their advantages and disadvantages. The ap also connects to the same ethernet lan as the bookstores own devices, allowing both customers and employees to. A wan could be a connection of lan connecting to other lan s via telephone lines and radio waves and may be limited to an enterprise a corporation or an. This lesson explores common issues associated with implementing, configuring, and operating wide area networks. A lan connection is a highspeed connection to a lan.

Every lan uses a protocol a set of rules that governs how packets are configured and transmitted. The computers on a network are also coupled through cables, telephone lines, radio waves, satellites, or. The private ownership has the control over the local area network rather than public. Wide area network wan wan or wide area network is a computer network that extends over a large geographical area, although it might be confined within the bounds of a state or country. Types of area networks lan, man and wan geeksforgeeks.

Some segments of the internet are also wans in themselves. Wide area network technologies design and implement high. Wide area networks wanslarger geographic distance e. Broadcasts do not traverse a wan unless the layer 3 edgerouting device is configured with a helper address or the like to direct these broadcasts to a specified network address. A lan local area network is a group of computers and network devices connected together, usually within the same building. On a local area network data transfer speeds are higher than wan and man that can extend to a 10. It is basically a communication network which interconnects devices such as pcs, laptops, smartphones, tablets et. There are some similarities and dissimilarities between them. Differences between lan and wan perfect computer notes. 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 local area network, man metropolitan area network,dan wan wed area network pdf. For the last five years of gartner surveys, customers top three priorities for it outsourcing have been.

The internet protocols consist of a suite of communication protocols, of which the two best known are the. Local area network lan lan s can be either wired or wireless. A small office, a single building, multiple buildings inside a campus etc. For perfect computer notes and it tips and tricks visit. By definition, the connections must be high speed and relatively inexpensive e. The internet protocols are the worlds most popular opensystem nonproprietary protocol suite because they can be used to communicate across any set of interconnected networks and are equally well suited for lan and wan communications. Protocolsdefine the rules that govern the communications between two computers connected to the network. Difference between lan man and wan lan vs man vs wan. This layer 3 routing device acts as an interface between the localarea network lan and the widearea network wan.

Star, ring, bus typical lans ethernet csmacd localtalk csmaca wireless lan. Intro to lan wan introduction contd arpanetmilitary funded, predecessor to the internetphone lines first, satellite and radio later req. A lan is a link that connect a network of computers and it can be either wired or wireless or a combination of both. Data allocations in local area networks lans, metropolitan area networks mans, and wide area networks wans are subject to different requirements and considerations. Various types of computer networks like pan, lan, man and wan. Lan, man, wan pointtopoint connection and shared medium lan topology. What is lan and different components of local area network. Lans, wans the internet cse 32, fall 2010 instructor. The wirelesscapable customer laptops communicate with a wlan device called an access point ap. In this lecture, we discuss fundamental concepts of computer networks.