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Internet Sellouts Final Presentation Enterprise Architecture Group.

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Presentation on theme: "Internet Sellouts Final Presentation Enterprise Architecture Group."— Presentation transcript:

1 Internet Sellouts Final Presentation Enterprise Architecture Group

2 Internet Sellouts Presentation Overview Domain Definition, Commonality Analysis Architecture Variability Analysis, Example Application Enterprise Architecture Reference Applications What Internet Sellouts LLC is NOT

3 Domain Definition Domain: Online Shopping Cart –A set of reusable components and a basic framework in which to build online shopping carts Framework support product family applications that have a storefront for purchasing goods/services over the Internet Framework models Buyers, Managers, Authentication, Catalogs, and Orders Limited Domain Scope: Not B-to-B, Not Do-It-All Business Systems

4 Commonality Generic Architecture – Identification of set of requirements in common Identification of actors - Buyer and Manager Browse a catalog Fill a shopping cart by selecting items from catalog Manages shopping cart – update quantity, subtotal prices Buyers check out – billing and shipping information Buyers confirm/track orders Managers CRUD catalogs Coded Commonality for Requirement and Reusable Asset Tracking

5 Commonality Traceable and Coded Requirements C1 Buyer credential verification, authentication C2 Buyer searches/browses catalog C3 Buyer builds shopping cart C4 Buyer manages the shopping cart, and pricing C5 Buyer checks out – payment, shipping and receipt C6 Buyer tracks order C7 Catalog management

6 Variability Clients: browser, Java App, Windows App Catalog CRUD: html, command-line, real- time, batch Ordering: carrier choices, expediting options, payment options Authentication: username/PW, App access list, group membership

7 Domain Architecture

8 Buyer Client App System Buyer Controller App System Client Mgmt Comp System Catalog Mgmt Comp System Order Mgmt Comp System Authorization Mgmt Comp System

9 Enterprise Use Cases Buy a product Track an order Manage catalogs

10 Buy a Product The buyer requests access If access is restricted, the buyer is authenticated The buyer selects items to buy The buyer pays for the items The system gives the buyer a receipt

11 Track an Order The buyer requests access The buyer provides a tracking number The system provides the status of the order

12 Manage Catalogs Create a catalog use case Update a catalog use case Delete a catalog use case

13 Client Mgmt Use Cases Authenticate user Get catalog selection Get item selections Get shipping information Get confirmation Offer receipt

14 Client Mgmt Facade

15 Catalog Mgmt Use Cases Select catalog Add catalog Update catalog Drop catalog Add Items Update Items Drop Items

16 Catalog Mgmt Facade

17 Order Mgmt Use Cases Price order Place order Get order status Report orders

18 Order Mgmt Facade

19 Authorization Mgmt Use Cases Confirm member Add member Update member Drop member

20 Authorization Mgmt Facade

21 Reference Applications

22 Prototypes An online financing application. An online merchandise selling application. An online office supply ordering system.

23 An Online Financing Application This system allows clients to select the type of financing product they would like to apply for on a website for mortgage loans, car loans and other types of personal loans. DIAE Component on Server – 3 components –User Authentication –Product/Service Offering Selections (Inventory) –A Shopping Cart

24 An Online Financing Application (cont..) DIAE Component on the Client Side –Package client’s input parameters and communicate with server objects.


26 An online merchandise selling application Server side DIAE components –Browse Catalog –Shopping Cart –Authenticate Admin user Client side components – Admin Interface Order Status Manager Interface Catalog Manager Interface


28 An online office supply ordering system Client DIAE Components –Client interface (1…n distinct concurrently running entities). Interact with user. –Shipping interface (1 distinct concurrently running instance) Add, edit, and delete contents of the inventory. Read the checked out orders from the database. Once the order has been filled, delete the entry.

29 An online office supply ordering system Server DIAE Components –Session management Authenticate user login. Match session id to user credentials. Determine valid session ids. –Inventory Browser Provide a list of office supplies available upon valid request. Filter the list of office supplies based upon search criteria. –Cart Manager Record the item selections for a specific session. At checkout, validate session selections against the session’s user credentials. At checkout, request office location where to ship the requested supplies. Store the result of checkout in database. –Relational Database server (provided as COT software) Store data for the other 3 DIAE server components.

30 Identifying the Domain

31 What is the domain? By now the domain should be relatively clear. –Online, client server –Searchable inventory –Select items to receive –Selected items are validated based upon application specific logic. Remember the reference applications.

32 What is NOT in the domain? Obviously, things that do not meet the criteria previously described –Video games –Word processors –Online message board

33 More subtly… Real time vending services. –For example: Medical supply retrieval. Juke Box / DJ services –Reasons: Service to fulfill requested order is not in architecture. Real time delivery of order not guaranteed.

34 More subtly (con’t) … Inventory Management systems. –For example: Stock management for retail store. Factory inventory control. –Reasons: Architecture is designed for browsing the inventory, not managing it. Administrative interface is not well defined enough to provide enough reuse in these areas.

35 More subtly (con’t) … Free Text Data Repository / Knowledge Base –For example: Internet search engine’s cache MSDN help –Reasons: Search of inventory is not optimized for free text searches. –Some of these could be in the domain. Phone book – Structured data fits architecture.

36 Adding to the domain. Application domains close to, but not in, the domain can be added. –The current architecture can be extended. –Will incur additional cost to the customer to properly integrate into the architecture. Architect and create new reuse assets Low reuse on these applications

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