Seamless transport of ethernet frames across entire network. Lans, wans the internet cse 32, fall 2010 instructor. A discussion of wide area networking is extremely timely for two reasons. Maintenance of lan is easier than that of man and wan. Data transmission errors and noise are least in lan, moderate in man and high in wan. Advantages of a lan local area network in a small business. A drilldown utility to get a look right down at protocol level is provided by a packet sniffer. Describe the functionality of lan, man, and wan networks. Lans transmit data at a faster rate than man and wan. The wan is build using the layers 3 devices routers and multilayer switches. Wan works on a large geographical domain, connect computer systems across p when the computer networks of scale development is also at the geographical distance must be extended, then the lan does not meet the technical requirements for the expansion of computer networks poses a problem. In this video, anthony sequeira discusses wide area networking and distinguishes these technologies from lans.
Wan is a data exchange network, it operates beyond the physical range of the lan. It is a network bigger than local area network lan, but territorially smaller than wide area network wan, its diameter usually ranges from 5 to 50 kilometers. In wan settings of asuswrt, we provide these functions. A network includes transmission hardware, devices to interconnect transmission media and to control transmissions, and software to decode and format data, as well as to detect and correct problems. Cell networks support mobile phones that connect over long distances, a type of wireless wide area network wwan. 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. To cover great distances, wans may transmit data over leased highspeed phone lines or wireless links such as satellites. Total since dec 2006 1942871 visitors 4218042 pages nov 2010 stats 82909 visitors 146476 pages 196 countries full statistics help us translate our tutorials. A computer network consists of two or more computers that are interconnected with each other and share resources such as printers, servers, and hardware and exchange the data in the form of files, facilitating electronic communication. May 20, 2020 the paessler prtg system covers server monitoring as well as lan and wan supervision. This is able to track packet transfer rates around your network in realtime.
The bandwidth available for transmission is higher in lan than man and wan. The moment packets hit the routers internet interface, they become at what is called wan. What is hub,bridge,switch and routerhindiurdu best video on networking deviceshindiurdu. Internetwork a network of networks is called an internetwork, or simply the internet. Selling cisco smb foundation solutions networking fundamentals. Man usually includes several buildings or even the whole city metropolis. A metropolitan area network man is a great computer network located on the large geographical area or region. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. One way to categorize networks is to divide them into localarea networks lan and widearea networks wan. Computers on a network can be connected through twisted pair cables, telephone lines, radio waves, satellites or optical fiber. This lesson is intended for 4h stem students ages 14 18. A wan is a means of connecting lans together across a distance boundary.
Advantages and disadvantages of lan local area network. Intro to lan wan introduction contd arpanetmilitary funded, predecessor to the internetphone lines first, satellite and radio later. Difference between lan, man and wan with comparison chart. Mpls services typically refer to layer 3 mpls vpn services, while carrier ethernet services include virtual private lan service vpls, gigabit and metro ethernet. Six computers connected to an ethernet switch and form a.
Jan, 2011 explanaition of the main features of lans and wans. Today, computers throughout the world are connected through wans, lans, and various combinations of the two. The more people in your network, the better your chances of finding that perfect job. Cabling, and hardware sections of this tutorial for more information on the configuration of a lan. Depending on what or where your organization needs to connect whether it is a.
Bestselling authors and expert instructors keith barker and kevin wallace share preparation hints and testtaking tips, helping you identify areas of weakness and improve. For the remainder of this text, the term networkwill. You can use the appropriate stencils from computer and network diagrams object libraries. Data communication and computer network 6 wan may use advanced technologies such as asynchronous transfer mode atm, frame relay, and synchronous optical network sonet. Data communication and computer network tutorialspoint.
The underlying technology that drives this monitoring utility is the netflow system. The wide area network wan is a critically important topic for number of reasons. This tutorial gives very good understanding on data communication and computer. Accessing the wan ccna exploration companion guide bob vachon rick graziani cisco press 800 east 96th street indianapolis, indiana 46240 usa. As the naming conventions suggest, lans are for smaller, more localized networking in a home, business, school, etc. Simplifies network management, minimizes operational costs 10gbe specifies full duplex operation and optical fiber transmission medium 10gbe media types. As the name suggests, the wide area network wan covers a wide area which may. A local area network, or lan, consists of a computer network at a single site, typically an individual office building. Wan introduction of wan official support asus global. One reason is that, for the first time in well over a decade, the wired wan is the focus of considerable innovation which is leading to the deployment of a wide range of new wanrelated products and services. Difference between lan and wan networking tutorials. Wide area network wan wan covers a large geographic area such as country, continent or even whole of the world. Typical wan connectivity was accomplished through phone lines. Introducing basic network concepts 3 basetech networking concepts team 2230894 blind folio 3 figure 1.
Oct 28, 2014 mmeettrrooppoolliittaann aarreeaa nneettwwoorrkk a metropolitan area network man is a network that is utilized across multiple buildings commonly used in school campuses or large companies with multiple buildings is larger than a lan, but smaller than a wan is also used to mean the interconnection of several lans by bridging them together. It normally connects the computers and other devices within one office, building or a group of nearby buildings. Conceptdraw has 1004 vector stencils in the 40 libraries that helps you to start using software for designing your own network layout diagrams. Wan protection all companies should protect its wide area network wan to make the connections between all their branches secure, and all sending data reach in safe hands as recipients. Wanem wan area network emulation is a piece of software running on knoppix, a wellknown linux distribution based on debian. It is launched through a livecd at computer startup or can also be launched from a vmware platform. There are mainly three types of computer networks based on their size. The network allows computers to connect and communicate with different computers via any medium.
Wans are not owned by any one organization but rather exist under distributed ownership. A lan is very useful for sharing resources, such as data storage and printers. Lan local area network, man metropolitan area network,dan wan wed area network pdf. This lesson will help students learn the process of networking and networks and how all the hardware and software work together form different types of networks. Computer hardware resources like printers, modems, dvdrom drives and hard disks can be shared with the help of local area networks.
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. Wide area networks wanslarger geographic distance e. Identify the possible media types for lan and wan connections. All computers on a home lan can communicate directly with each other but must go through a central network gateway, typically a broadband router, to reach the isp and beyond. 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. The two most popular wide area network wan connectivity options are mpls and carrier ethernet.
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