Decision Support Systems Used in Network Hardware Essay -- essays rese

Decision Support Systems Used in meshing Hardw are How does data pass through the internet? If you said finish avow systems, you are correct. In an indecisive world, meshing computer hardware devices uses conclusiveness support systems (DSS) to efficiently and effectively route data, in a local anaesthetic area network, with the least amount of errors and inconsistencies. Decision support systems are the brains goat network hardware, and would be near impossible for them to work without the intelligent center of each distinct DSS. There are a variety of network hardware devices switches, hubs, and routers and they either use algorithms/procedures to transfer data towards the correct destination. Although in that respect are many more DSS related methods used to route traffic, this news report describes how these three devices use them and each of there functions. Other types of decision support systems that network hardware devices may use are firewall technology, network direct translation, and filter tables, which are all described in this paper.Network hardware is used in the first three layers of the OSI reference standard. The OSI reference model is the Open Systems Interconnections standard and consists of seven layers that build from the wire. At the first layer, the strong-arm layer, hubs maybe used for simple, inexpensive technology within a corporation. Hubs, when receiving data sent to it, sends that data too all network porthole cards, or NICS on each computer. If the data is at its correct destination, the NIC to look at the data, but if it is not, the data is discarded. Of course, this setting is much slower, because the other NICS are time lag for there turn, which is after the first message is delivered or timed out. Raymond R. Panko writes this near the waiting state a hub goes in when transmitting data This creates reaction time (delay), which grows as the number of stations grows. Another way of saying this is that the ani mate of the hub is shared. (Panko 108) As, you can tell, hubs are simple, and dont use more tuition than needed.Switches, which are layer 2 devices, use decision based routing by storing NIC hardware addresses and port numbers on a table in the switch. By doing this, when data is received by the switch, it knows where the source was, and where the data ask to go. This allows for faster data transmission for all NICS that are connected, because it uses the swi... ... mining tools are being used to uncover the congestion that slows network traffic down. With all these DSS type applications working together in harmony, the internet can be faster and safer to surf, than ever before.SourcesFairhurst, Gorry. Operation of a Router. 10 Jan, 2001. How Firewalls Work. HowStuffWorks (http//howstuffworks.com), by Jeff Tyson. HowStuffWorks Inc.,2002.How local area network Switches Work. HowStuffWorks (http//howstuffworks.com), bye Jeff Tyson. HowStuffWorks Inc.,2002.How Network Address Transl ation Works. HowStuffWorks (http//www.howstuffworks.com), by Jeff Tyson. HowStuffWorks, Inc., 2002.How Routing Algorithms Work." HowStuffWorks (http//www.howstuffworks.com), by Roozbeh Razavi. HowStuffWorks, Inc., 2002.Norton, Michael J. shape 3 Switching -- Introducing the Router. The OReilly Network. 13 Apr. 2001. http//www.oreillynet.com/lpt/a/770Panko, Raymond R. Business selective information Networks and Telecommunication. New Jersey Pearson Education, 2003.Whipple, William L. TCP/IP For Internet Administrators. A Searchable Technical Reference Document. Western Logic Works 1997 (http//www.pku.edu.cn/academic/ inquiry/computer-center/tc/html/TC0310.html)