Mis 589 Mini Case Week 6

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MINI-CASES
I. Cathy’s Collectibles
Your cousin Cathy runs a part-time business out of her apartment. She buys and sells collectibles such as antique prints, baseball cards, and cartoon cells and has recently discovered the Web with its many auction sites. She has begun buying and selling on the Web by bidding on collectibles at lesser-known sites and selling them at a profit at more well-known sites. She downloads and uploads lots of graphics (pictures of the items she’s buying and selling). She is getting frustrated with the slow Internet access she has with her 56-Kbps dial-up modem and asks you for advice. DSL is available at a cost of $60 per month for 1.5 Mbps down and 384 Kbps up. Cable modem service is available for a cost of $50 per month for 1.5 Mbps down and 640 Kbps up. Wireless DSL is available in her apartment building for $45 per month for 1.5 Mbps down and 256 Kbps up. Explain the differences in these services and make a recommendation DSL is a form of point to point technology that provides high speed data transmission over traditional telephone lines. It is attractive to many because it does not require a customer to rewire the local loop to change from traditional telephone service, but merely change the telephone equipment. Operating from the local loop along with DSL makes relatively higher data transmission rates possible. DSL places equipment on the customer premises(home or office) called Customer Premises Equipment as well as using the local loop. There are different ways it can be installed, but one example of DSL installation is using a line splitter to separate the traditional voice telephone transmission from the regular data transmissions. The directing of the signal keeps voice communication safe in case of DSL equipment fail. DSL is not available everywhere, but mainly in regions such as Australia, Asia, the U.S., Canada and Europe. The most common types of DSL are Asymmetric DSL (ADSL) and Very High Data Rate Digital...
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