PHÂN TÍCH THIẾT KẾ HƯỚNG ĐỐI TƯỢNG Bộ môn Điện tử Kỹ thuật máy tính

TRƯỜNG ĐẠI HỌC BÁCH KHOA HÀ NỘI VIỆN ĐIỆN TỬ VIỄN THƠNG PHÂN TÍCH THIẾT KẾ HƯỚNG ĐỐI TƯỢNG CHƯƠNG Thiết kế (tiếp theo hết) Bộ môn Điện tử Kỹ thuật máy tính Chương Thiết kế      4.1 Chuẩn bị thiết kế 4.2 Thiết kế lớp phương thức 4.3 Thiết kế lớp quản lý liệu 4.4 Thiết kế giao diện giao tiếp người-máy 4.5 Thiết kế kiến trúc vật lý Apr 19, 2022 OOD - DEI.FET.HUT Key Definitions  Physical Architecture Layer Design  The plan for the  Hardware  Software  Communications infrastructure  Security  Global support Apr 19, 2022 OOD - DEI.FET.HUT Key Definitions  Must decide on the architecture  Server-based  Processing built in to the server  Client-based  Processing done on client PCs  Client-server based  Processing shared between client and server Apr 19, 2022 OOD - DEI.FET.HUT Key Definitions  Network model  Shows major components of the system  Where they are located  How they will be interconnected  Hardware and software specification  Give details of NW model components  Guides purchase and acquisition Apr 19, 2022 OOD - DEI.FET.HUT Key Definitions  Global support and security plan  Address global issues of the app  Standards, support, culture, etc  Addresses security  Apr 19, 2022 Disruption, data corruption, disaster recovery, unauthorized access, etc OOD - DEI.FET.HUT ARCHITECTURAL COMPONENTS Components of the Architectures  Servers  Mainframes, Minis, Micros, Cloud’s VMs  Clients  Input/Output HW used by users  Terminals, PCs, Mobiles, special purpose HW  Network  HW and SW to connect clients to servers Apr 19, 2022 OOD - DEI.FET.HUT Server Based Architecture More machines and/or more applications slows server response times Upgrade Server All messages Must Or through one Process New central server Server All Expensive Messages Application software and its data stored on same computer Apr 19, 2022 OOD - DEI.FET.HUT Client-Based Computing Presentation Logic Application Logic Data Access Logic All data must travel from server to client for processing Presentation Logic Application Logic Data Access Logic Presentation Logic Application Logic Data Access Logic Presentation Logic Application Logic Data Access Logic Presentation Logic, Application Logic Data Access Logic Apr 19, 2022 Presentation Logic Application Logic Data Access Logic OOD - DEI.FET.HUT Only Application software has Presentation Logic, its own (application) Logic, and Data Access logic 10 10