Cint 121 Case Project 5.1 Network Design

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Mark Shuey Ivytech Community College Cint 121 Case Project 5.1 Network Design 9/23/2012 After assessing the current LAN, and keeping in mind cost. The upgrade I suggest is an Ethernet LAN with a physical star wired bus topologie, divided into four segments. The switches and routers are outdated and do need to be replaced. Cabling needs replaced. Good news is that the Network Interface Cards in all 17 workstations support the upgrade (10/100/1000Mbps). Star wired bus topologies has a logical bus topologies. Some advantages to these topologies are that it can cover longer distances, easily to interconnect, and to isolate different network segments, cheaper than fiber optics, or coaxial. When you need to expand in the future, it is scalable for minimal cost. The new Backbone will consist of two 25 pair cat 7 UTP cables,…show more content…
They will connect in Telecom Closets 1 and 2. In telecom 1 it will remain Cat 7 using 10G Base-T technology between the punch down block and the three switches. From the switches to the wall plates by the video kiosk, and on to the kiosk, cabling will switch to Cat 6a, using 1000 Base-T technology, achieving a throughput of 1000Mbps. Keeping in mind, that with a star topologies, and using switches, each kiosk has its own dedicated channel. In telecom closet 2, from the punch down block, to the switches, to the wall plates, and on to the offices workstation, plus one shared printer, cabling will change to Cat 5e UTP, using 1000 Base-T technology, achieving a throughput of 1000Mbps. A safety feature on Ethernet Lans, is its access method, CSMA/CD. CSMA/CD, means that your NIC checks the network to make sure it is not busy before transmitting, if two nodes do transmit at the same time having a collision, it will send out packets to inform other nodes of a data collision, then the NIC waits for the network to be inactive before retransmitting. On the

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