Analysis of Internet Protocols and Infrastructure Essay

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Analysis of Internet Protocols and Infrastructure Introduction: Network: Anything reticulated or decussated at equal distances, with interstices between the intersections. - A Dictionary of the English Language SECTION : 1 1.1 WHAT IS A NETWORK? A) What is a network? A network is simply a collection of machines connected in some way that allows them to communicate with each other and share information. To do this the machines have to be connected in some way that allows communication, and have an agreed upon a language to talk when they do communicate. Components of a network might include individual hosts, some form of communications hardware, a network protocol and a collection of…show more content…
· WAN (wide area network) Much larger than a LAN and all machines are not directly connected. WANs will generally have a lower throughput than a LAN. All of the LANs on the CQU campus connect and form a WAN. 1.4 SOME MORE DEFINITIONS Like any field of computing, networking has its own terminology. This section provides definitions for some of the terms you'll come across. · Packets and datagrams Many networking protocols transmit information as packets. Information being sent across the network is divided into small (hundreds of bytes usually) chunks of data, called packets. The networking software at the sending end will break the outgoing data into packets. When the packets arrive at their destination the networking software on the receiving machine will put them all back together. In some cases not all the packets will arrive at the destination using the same route. The packets may also arrive out of order, packet 50 might arrive before packet 49. The networking software handles all of this. Under TCP/IP packets are often referred to as datagrams. Ethernet, on type of networking hardware, refers to packets as frames · Routing The art of deciding which route data from one machine takes to get to another. In many cases their are multiple different possible routes that can be taken and the routing software must decide which to take. · Router Responsible for performing
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