Networking and Telecommunication: Ethernet: LAN and Unshielded Twisted-Pair (UTP)

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Recommended: Uses of voice over internet protocol

ABC, Inc. is continuing to expand and is planning to add another set of offices spanning several floors in the building. The company has requested advice for speed and transmission medium, equipment compatibility and limitations, IP Structure, along with the advantages and disadvantages of VoIP. The company is currently 200 employees and expects to increase to 350 within the next year. There is a mix of strictly in house employees, and roughly 70 who are laptop users and travel frequently. The company currently occupies a single floor of a multi-story office building and is expecting to add offices spanning several additional floors. Architectural documentation indicates the MDF is on the main floor with IDF’s on each of the successive floors directly above the MDF. The MDF and IDF’s are connected with pre-existing conduit which is empty. Analysis Ethernet is the most common implementation architecture for LANs. The advantages are it is easily implemented and a low cost solution. Network speeds of 10/100/1000/10000Mbps are readily available and easily implemented. Ethernet supports Unshielded Twisted Pair, Fiber Optic and Coaxial cabling transmission mediums. Unshielded twisted-pair (UTP) is by far the most common transmission medium, can support transmission speeds up to 10Gbps and has a cable length limitation of 100 meters (328 feet). Recent advances in modulation technology have shown that fiber optic can support transmission speeds of 100Gbps over a single fiber pair; however, the medium is expensive to install and maintain. Therefore it is less common as in in-building transmission medium. Coaxial cable is even less common as a transmission medium. Coaxial cable can support transmission speeds up to 1... ... middle of paper ... ... (UTP) provides adequate speed and is the transmission medium of choice in LAN environments. A solid IP strategy has been developed that addresses current requirements and any future growth capacity. We will use static IP addresses for servers and other permanent network devices, with automatic DHCP addressing for client systems. VoIP has been evaluated and recommended for implementation as it will provide many productive features and provide a good return on investment. References Gareiss, R. (2006, May 15). The business case for voip. Network World, 23(19), 50, 52, 554. Retrieved from http://search.proquest.com.csuproxy.egloballibrary.com/docview/ 215969338?accountid=38569 Shinder, D. (2006, June 9). Create an IP addressing plan that will grow. Retrieved from http://www.techrepublic.com/article/create-an-ip-addressing-plan-that-will-grow/

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