Switching technologies

With the advent of faster computing machine lucres and a farther much stable infrastructure has come the need for a faster way to switch this in initializeion around. Two of the scoop out cognise methods for doing so ar ATM and Frame Relay. at heart the trammel of this article we will discuss just what they are and where they depart in. The lucre as we know it today has swelled in leaps and bounds from when it first really became popular pricker in 1994. Back then a 14.4K modem was pretty happening. hale generation have changed and technology has certainly evolved since then. Presently well-nigh of us have high speed modems whether they be digital subscriber line or broadband cable modems. These modems transmit and receive selective information that your computer comes on your behalf. This is done in a rattling groovy fashion by your operating system. Seen as just about of us use one version or another(prenominal) of Microsoft Windows we lavatory map how our com puter generates this information by occasion it to the OSI extension phone Model. Almost separately story of this communications model has well-nigh information added to it by your computers operating system. Lets cipher of this from the top on down. At the application layer Internet Explorer would shamble a HTTP GET request for your shoes page. in that location would be nothing for the presentation layer or posing layer to add. Next your computer would generate a transmission control protocol header and the network layer an IP header. After that your data Link storey would put this information in a logical format and put the MAC information at the front of this frame. Lastly, it would be sent out via the NIC card at the physical layer. direction this trickling down of bytes from the application layer on down, we realize that each packet will likely... If you want to bewilder a safe essay, order it on our website: OrderCustomPaper.com!

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