Tuesday, January 15, 2013

Wireless Security

AbstractThe advent of Information and Communications Technology has brought a administer of changes in today s modern world . Many technologies be available in the market today that brings improvement in almost on the whole aspects of development . One of these technologies is the establishment of a cyberspaceA network is , basically , consists of data processors or node connected unitedly to sh ar resources . One network can interconnect some some other(a) network either through fit or radiocommunication communication paths . A network should stool these four things - HUB to carry out traffic control , CABLE which is used to connect all medium , Network Interface Card (NIC ) which is plugged into the computer to be able to send and receive messages and PROTOCOL which is the terminology used to spread abroad among nodes in the network (Jelen , 2003In a network , processes may institute a session to exchange info . There are different ways to connect processes to transcend over the network . One common scheme is lot switching which establishes a permanent physical link amongst computers . This link is allocated for the entire duration of the communication . On the other hand , message switching is also used to communicate from one node to another . In this scheme , a temporary link is built during the transfer of information . another(prenominal) scheme used is packet switching which divides the message into a number of packets and each packet is sent to its destination on an individual basis (Silberschatz Galvin , 1998 p489IntroductionWhere there are people , there will be technology , because the world needs it to survive . In the chip in , technology is all around us . Every where you go you run into some type of technology , whether you know it or not . Advancement in technology makes everyday things easier than they have ever been before .
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But as an evolving society , untested technologies are what drive the world today : 3G mobile communication theory , Voice over Internet Protocol , Bluetooth , and wireless devices are the new driving forces , but where will they take usWireless devices , resembling all technologies that provide external access to corporate networks , posit protection challenges . With wireless standards and practices still rapidly evolving , it is important to take in the strengths and limitations of available technologies in to implement a secure rootage . Extending current security policies to encompass wireless devices requires an understanding of the security features of both wireless devices and wireless networksTypes of Wireless NetworksThe Wireless MarketOver the olden ten years or so an alternative to wired LAN structures has evolved in the form of the Wireless LAN . The kickoff generation Wireless LAN products , operating in unauthorized 900-928 MHz Industrial Scientific and Medical (ISM ) band , with mortified range and throughput offering (500 Kbps , subjected to interference came to market with few successes in some applications . But they enjoyed reputation of being inexpensive ascribable to break through development in semiconductor technologies , on the other hand the band become crowded with other products with in short period of time leaving no room for further developmentThe second generation in 2 .40-2 .483 GHz ISM...If you want to get a full essay, recite it on our website: Orderessay

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