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Efficient Design Principles for a Bank Transaction System

This document outlines the key design requirements and concepts for a robust bank transaction system. It covers aspects such as availability, reliability, integrity, and security, with a focus on load balancing, security assurance, and operational management. Concepts like global clock, concurrency control, and interprocess communications are also discussed.

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Efficient Design Principles for a Bank Transaction System

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  1. 銀行交易系統-1 設計理念

  2. Design Requirements • Availability—responsiveness, throughput, stability, load balancing, quick recovery • Reliability—responsibility, trustiness • Integrity—consistency, truth, uprightness • Security—confidentiality, authentication, authority, recognizance, strength

  3. Concepts applied • Global clock • Independent failure • Concurrency control • Interprocess Communications • Synchronous / Asynchronous (e.g.) • Security assurance • 操作管理 • 系統及資料維護管理 • 亂碼作業管理

  4. Identical state vs. Less consistency

  5. Load balancing— 例︰快車道,慢車道 市區 (本行資訊系統) 快車道 工 廠 快車道 燈 管 號 理 控 郊區 快車道 資 員 制 輸入 料 分行系統 快車道 交 庫 高速公路(數據線) 及工作站 系 易 統 處 輸出 快車道 程 理 式 琵 慢車道 式 慢車道

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