Commercial Matching Service Scenario -
www.buycomputer.com is a fictitious website to match consumers who wish to purchase computers with businesses who are able to supply them. It works as follows:
1- Consumers can visit the website and specify the computer they wish to purchase by selecting from a standard set of attributes and options (monitor, memory, etc.). Then specify the price they are willing to pay (taxes and shipping included), the address the computer must be shipped to, and the date by which the computer must be received.
2- Their offer to purchase a computer is made official when the offer is secured by a credit card that is authorized to enact payment immediately should a business be found that will supply the computer to the stated location, for the stated price, by the stated date.
3- Firms can visit the website and search the list of computers that consumers have offered to purchase. Then when a they see a computer they are willing to supply, they can accept the offer and commit to delivering the computer under the terms specified.
4- Payment is enacted from the consumer's credit card to the business's merchant account at the moment the offer is accepted by the business. Also all businesses delivering computer via federal express that notify both the businesses and the company that order is fulfilled.
Describe an appropriate software architecture for www.buycomputer.com then Identify two mechanisms you would use to address security and two other you would use to address scalability and availability.
Explain how www.buycomputer.com could implement a secure service that would allow software programs running at a business to communicate over the internet to automatically find offers, accept them, enact the payment transaction, and check when the purchase order has been fulfilled.
Define, in high level terms (not code), the API calls that would be supported making clear the types of inputs and outputs regarding to the machine to machine interface between it and the suppliers for the operations describe in step 3 and 4.
What change you can do to make the website available for consumers who use smart phone?
If the company located in USA and a consumer located in France purchase a computer from a Firm located in china, explain what mechanisms need to be in place when the consumer complains that they didn't receive their order. In particular, explain how it can be determined whether or not the consumer gets his order.
Identify what information needs to be persisted, at what location, and in what format in order to prove the order was delivered.
Explain briefly how each of the consumer, company and Firms will be authenticated.
Identify a mechanism that company could use to localize labels that appear on web pages so users can view information in English, French and Chinese.
Identify three things related to the company that might need to be localized.