CMIT265 Network Design Paper Finished P

2568 Words11 Pages
The University has recently leased a building in Adelphi, Maryland to house offices, classrooms, library, and computer labs. The goal of this proposal is to design a network for these facilities. The Student computers are to be on a separate network from the staff computers. The facility will share one Internet connection (T-1 link from Verizon). With a T-1 link the network will be able to function with the speed of 1.544 mbps over 24 channels each running 64 kbps (Labsim). Security is always a big concern and has been taken into consideration. Additional considerations for each floor/classroom/lab/office include printing capabilities and the WiFi (Wireless Access) in the Student Lobby. The network design…show more content…
Since every computer is going to be connected to a centralized node which usually are hubs or switches the topology can be defined as a star topology. The network design layout for the Adelphi building each node is going to be connected to a switch instead of using hubs. The advantage of using the star topology over bus and ring topologies is that each node is going to be connected to the switch with its own Cat6 cable. So in the event that one of the nodes goes down and is not functioning it’s not going to take down the rest of the nodes on the network. Whereas in a ring or bus topology each node is connected to each other and transmits data to each residing node, so if one node goes down then it can take down the entire network. The only disadvantage of the star topology is that if the switch goes down for some reason then all the nodes attached to the switch will not work. Using switches in the star topology can be an easy way to troubleshoot any network problems. If all the nodes on the network go down then you usually know that the problem is going to be with the switch and none of the nodes. For the most cost effective solution for wiring the building combined with high performance networking the use of Cat6 STP (Shielded Twisted Pair) cabling is suggested. The dimensions of the building require the cable runs to exceed 240 feet. Using Cat6 Ethernet selection will allow this requirement to be met. The

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