BSIT220 - WK9 Paper - Home Network - DanielBevan

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HOME NETWORK 1 Home Network Options Daniel Bevan Bellevue University BSIT220 02/13/2021

HOME NETWORK Home Network Options When it comes to adding the internet to a home network, there are several options and considerations to account for to determine the best solution that will suit the needs of the users and mitigate problems that may arise from exposing the network to the outside world. The first item to establish, is assessing the types of services that are available in the area. If in a dense urban area, the chances are that most major options exist. These would include Cable Broadband, DSL, Cellular, Satellite, and Analogue. There are a few other types of connection such as the Tier connections and Internet2, however these are more commonly used for commercial purposes. In the table below are an approximate comparison of the available speeds for each type of connection. Type Speed (Download) Analogue (Dial-up) 56Kbps Cellular 3Mbps-12Mbps (4G) Satellite 512Kbps-2Mbps DSL 768Kbps-6Mbps Cable Broadband/Fiber 1Mbps – 1Gbps WiMAX Up to 128 Mbps This list does not include upload speeds however most of those are somewhat proportionate of their download speed, except for satellite which uses regular telephone lines to perform uploads. Analogue (sometimes called dial-up) internet is transmitted by standard telephone lines and utilize a modem to transmit electronic signals via these lines. As such, a standard telephone service is needed at the residence and the cost of service may include both a monthly service fee in addition to the cost of the phone call.

HOME NETWORK Cellular Internet is transmitted wirelessly via radio waves by utilizing the same network as mobile cell phones, cellular towers that are arranged in varying distances apart depending upon terrain and the number of users. In cities they may be only 0.25 miles apart, in suburban areas 1-2 miles, and across flat areas they could be 40 miles apart (Kanchwaia, 2021). Satellite internet works via a satellite dish that is attached to the side of the home for the downlink and use a regular modem and telephone for its uplink. This means that it is cable of relatively high download speeds as these are transmitted to the dish but is limited for uploads which travel via ground-based phone lines. These can be useful in rural areas that lack cable infrastructure and/or cellular service. DSL/ADSL or Advanced Digital Subscriber Line is a communication technology that utilizes phone lines but uses a more advanced modem on both ends of the line to increase the speed of transfer. The connection can be left open to facilitate both data communication and voice communication at the same time. The main weakness of DSL is its limited availability which stems from limited transmission range between an exchange and the user, and other limiting technology factors on the telephone lines themselves. There are two types of ADSL, Carrier Amplitude/Phase (CAP), and Discrete Multitone (DMT) (Franklin, 2021). They both function in similar ways in that they split the possible communication frequencies on a phone line and split them in ways to facilitate faster communication speeds. DMT is the most common because it splits the bandwidth into smaller frequency ranges to facilitate multiple simultaneous connections. Cable broadband is a system that uses copper coaxial cables to transmit both data and television signals. The system can transmit more data than ADSL however the bandwidth of the cable is shared, and speeds can vary depending heavily upon traffic. A user needs a special

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HOME NETWORK modem in their home (typically called a cable modem or router) to facilitate and separate these transmissions. Fiber optic broadband works in a similar fashion however utilizes optical fiber for communication which is capable of faster speeds, more data transmission and less signal loss. WiMAX or Worldwide Interoperability for Microwave Access is a technology that uses microwave transmission towers to send signals to users. The range of the towers can be significant (30 miles) however they do depend upon line of sight to facilitate communication. The advantage of this technology is that it can directly communicate to all the devices directly, however each device with need a dedicated NIC to handle this communication. The availability of this type of service is much less common in the US. The best option of these is fiber optic cable. These are some of the most reliable, affordable and fastest connections available.

HOME NETWORK References Franklin, C. (2021, February 13). https://computer.howstuffworks.com/dsl.htm . Retrieved from Howstuffworks.com: https://computer.howstuffworks.com/dsl.htm Kanchwaia, H. (2021, January 7). https://www.scienceabc.com/innovation/cell-tower- work.html#:~:text=In%20suburban%20areas%2C%20cell%20towers%20are %20commonly%20spaced,possible%20to%20space%20towers%20out%20between %2030-45%20miles. Retrieved from ScienceABC.com: https://www.scienceabc.com/innovation/cell-tower-work.html#:~:text=In%20suburban %20areas%2C%20cell%20towers%20are%20commonly%20spaced,possible%20to %20space%20towers%20out%20between%2030-45%20miles. Salway, D. (2020, January 30). Understanding Broadband Internet Speeds . Retrieved from Lifewire: https://www.lifewire.com/broadband-internet-speeds-explained-437202

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