Local area networks university of california, berkeley. Readers of this book will learn about local area networks lan through the analysis of case studies that explore common operating systems, network services, security, and more. Full text of an introduction to local area networks. It is more likely to be used as a location where you do work, a workstation, than as a storage or controlling location, a server.
Second ed ition mit massachusetts institute of technology. Introduction to local area networks viii lesson 6 atm deployment 297 atm in building and campus networks 298. A network refers to two or more connected computers that can share. Data communication and computer network tutorialspoint. Since 1970 there has been an explosive growth in the number of wide area and local area networks. Introduction to networks local area network computer.
If one enumerates the list of the components of a local area network, we will be surprised to find a larger than. Describe the functionality of lan, man, and wan networks. Wan terminology as your local area network matures, you will probably notice a decrease in its responsiveness. Introduction to networks free download as powerpoint presentation. Coverage area tcpip network administration guide a sun microsystems, inc. Dcn pdf image to excel free tutorial in pdf learn data communication computer network in simple and easy steps starting from their. Ethernet page 14 plugandplay page 16 bits per second bps page 17. A computer network consists of a collection of computers, printers and other equipment that is connected together so that they can communicate with each other. The ethernet specification is the result of an extensive collaborative effort of the three corporations, and several years of work at xerox on an earlier prototype ethernet. Hp pcs creating a wired local area network windows 7. The introduction to local area networks lan explains the concepts, technologies, components, and protocols used in local area networking environments. Full text of an introduction to local area networks see other formats 1508 of a message. Data communication and computer network 5 backbone of man is highcapacity and highspeed fiber optics. A local area network can save in hardware costs when expensive peripherals are shared.
A local area network lan is a computer network that interconnects computers within a limited. An introduction to networking terminology, interfaces, and. The ieee 802 working group defined the local area network lan as a communication system through a shared medium, which allows independent devices to communicate together within a limited area, using an highspeed and reliable communication channel keywords. In this introduction to networking, learn how computer networks work, the. Two basic geographical designations for networkslocal area network lan and wide area network wanare the most common. In chapter 1, foundation, learn how local and wide area networks wans are now built to connect more than computers. In any event, the magazine, which was never reluctant, dating all the way back to 1986, to write about wide area network technology and other topics not strictly bounded by the local area, had no strong attachment to the name lan, and was happy to take the title network magazine, which somehow no one had locked up in the whole speckled.
A computer network consists of a collection of computers, printers and other devices that are connected together so that they can talk to each other. The presentation gives a very short introduction to local area networks lan and covers following topics. In a contention bus or contention ring network, the output machine may transmit only when the network is quiet. An introduction to local area networks research mit. The ring topology requires that each node be able to selectively remove a message from the ring or. Characteristics of lans typ slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. For example, a lan local area network connects computers in a. The topology of a network, as well as its control strategy, influences its reliability.
Perhaps in one building or a few buildings close to each other called a campus. Understanding clientserver communications in a local environment 9th edition westnet learning on. Consider a network that is the opposite of the simple network shown in figure 11. Ip addresses are 32 bit long, hierarchical addressing scheme. The access point acts as the base station for the wireless network, aggregating access for. Wide area networks wans and local area networks lans.
Ever wondered what vpn, lan, pan and other networks are. An overview of wireless local area networks wlan ibrahim al shourbaji computer networks department jazan university jazan 828226649, saudi arabia abstract wireless communication is an application of science and technology that has come to be vital for modern existence. Once the osi model is understood, it will be easier to design, use, and, especially, troubleshoot cisco networks. Learn how to secure your enterprise wireless local area network lan in this guide of industry best. Ip is a standard that defines the manner in which the network layers of two hosts interact. Broadcast 15 note ethernet is a broadcast environment in. Accessing shared files and directories in windows 7. Based on packet switching technologyexamples of wan technology. Wide area network as the name suggests, the wide area network wan covers a wide area which may. The finalization of industry standards, and the corresponding release of wlan products by leading manufacturers, has sparked the implementation of wlan solutions in many market segments. Note broadcasts will traverse a wan if the wan is bridged. Fig 1 gives an example of a network in a school comprising of a local area network or lan connecting computers with each other, the internet, and various servers. 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. World area network wan are international networks to interconnect networks and servers between them.
A local area network lan is a network that is confined to a relatively small area. Lan s are easy to design and troubleshoot exchange of information and sharing of resources becomes easy because of lan. Each chapter of this innovative book develops a concrete foundation in lan concepts and applications by exposing readers to a variety of situations and networks. It refers to a network or a portion of a network that is not publicly accessible to the greater internet.
Local area network designintroduction to local area. This local area use of long due to the fact that longhaul packet communication technology has haul network technology, indicated by the shaded area of fig. Man works in between local area network and wide area network. After completing this tutorial, you will find yourself at a moderate level. In other lessons, we will dive into the different protocols that are. A wlan can be installed as the sole network in a school or building. Wireless local area networks wlans wireless local area network solutions comprise one of the fastest growing segments of the telecommunications industry. It connects computers that are close together, usually within a room or a building. Hp pcs creating a wired local area network windows 7 setting up a local network and file sharing in windows 7.
Free chapter download download this computer networking pdf excerpt from computer networks, a book that addresses the key principles of computer networks. Some of the network devices we use on our lan are switches, access points, and routers. The ethernet a local area network, data link layer and. An access point usually consists of a radio, a wired network interface e.
Bestselling authors and expert instructors keith barker and kevin wallace share preparation hints and testtaking tips, helping you identify areas of weakness and improve. In this chapter, we concentrate on those wan issues that you must understand to pass the microsoft networking essentials exam. The introduction to local area networks lan ebook explains the concepts, technologies, components, and protocols used in local area networking environments. However, it can also be used to extend an existing wired network to areas where wiring would be too difficult or too expensive to implement, or to areas located away from the main network or main building.
In lan all machines are connected to a single cable. From the early radio and telephone to current devices such as. Asynchronous transfer mode atm, integrated services digital network isdn lanscover buildings or a set of closely related buildings. Because of distance limitations, lans are found in small areas such as a floor in your office building or a home network. I initially developed this material as a single weeks lecture in the si502networkedcomputingcourse that i taught at the university of michigan school of information starting in 2008. This document pertains to hp and compaq computers and workstations with windows 7. An introduction to the types of firewalls and how they work. Lans local area network use ethernet as the primary technology for wired connectivity. Pdf of networking tutorials after completing this tutorial, you will find yourself at a moderate. Clery lesson 7 lans slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising.
This document contains the specification of the ethernet, a local area network developed jointly by digital equipment corporation, intel corporation, and xerox corporation. Learn what these 11 types of networks do for your data center. A wireless wide area network wwan has several possibilities for uses and comes with both advantages and disadvantages. Introduction to local area networks lans network architecture. The need for more costeffective and capable communications has inspired the emergence of rapidly developing markets and technologies for local area networks. Students will learn about popular lan protocols, such as the versions of ethernet and its various types and speeds. Its called a local area network since all devices that make up the lan are close to each other. Computer networking 101 hh rev1 page 3 fundamentals what is a computer network. The first computer, yours, is commonly referred to as your local computer. Introduction to networking objectives upon completion of this chapter, you should be able to answer the following questions. Introduction to networking in the early days of computing, there were mainframe com.