Lan Technologies Essay

979 WordsJan 22, 20124 Pages
Chapter 2 Mini case 1 Deal-R-Us Brokers (Part 1) Case Description: Fred Jones, a distant relative of yours and president of Deals-R-Us Brokers (DRUB), has come to you for advice. DRUB is a small brokerage house that enables its clients to buy and sell stocks over the Internet, as well as place traditional orders by phone or fax. DRUB has just decided to offer a set of stock analysis tools that will help its clients more easily pick winning stocks, or so Fred tells you. Fred’s information systems department has presented him with two alternatives for developing the new tools. The first alternative will have a special tool developed in C++ that clients will download onto their computers to run. The tool will communicate with the DRUB…show more content…
There will be requests sent from the user’s workstation to the server where the application is running. The application will then respond with information back to the workstation, and only the display results need to be transmitted to the client. In this scenario, users don’t need any executables running on their workstations, they can simply use any web browser client and connect to the application via the internet or even through an intranet. Question 2: Outline the pros and cons of the two alternatives and make a recommendation to Fred about which is better. Answer 2: Thick Clients will need to transfer much more data, as the processing happens on each client machine. Also, if the application needs to be updated, each client machine must be individually updated; a risk exists whereby some clients are not updated, causing errors. Thick Client Pros • Better, faster application performance • Less complex to develop and implement Thick Client Cons • Application needs to be installed on every workstation • Application updates can be time consuming as each workstation needs to be updated individually • Version control can be hard to track • Application can be disrupted by users if they delete or change files that are part of the application • Operating system changes may break application functionality • Application may need to be updated depending on what Operating System it will run on (32

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