【正文】 ..................4 系統(tǒng)軟件需求 .................................................................................................................4 系統(tǒng)硬件需求 .................................................................................................................4 系統(tǒng)功能需求 .................................................................................................................5 系統(tǒng)性能需求 .................................................................................................................5 系統(tǒng)總體架構(gòu) .........................................................................................................................6 系統(tǒng)物理架構(gòu) .................................................................................................................6 系統(tǒng)邏輯架構(gòu) .................................................................................................................64 關(guān)鍵技術(shù)分析 ..........................................................................................8 業(yè)務(wù)模型分析 .........................................................................................................................8 目標(biāo)用戶 .........................................................................................................................8 用戶入口 .........................................................................................................................8 收費策略 .........................................................................................................................8 產(chǎn)品依賴關(guān)系 .................................................................................................................8 典型業(yè)務(wù)過程 .................................................................................................................9 用戶模型分析 .......................................................................................................................10 用戶基礎(chǔ)信息 ...............................................................................................................10 用戶操作信息 ...............................................................................................................104 / 35 用戶流量信息 ...............................................................................................................12 系統(tǒng)模型分析 .......................................................................................................................13 Cluster Server ................................................................................................................13 World Server..................................................................................................................14 Zone server ....................................................................................................................14 性能容量分析 .......................................................................................................................15 Cluster 設(shè)備和流量需求 ...............................................................................................15 World 設(shè)備和流量要求 ................................................................................................16 Zone 設(shè)備和流量需求 ..................................................................................................17 雜項設(shè)備和流量需求 ...................................................................................................18 總計 ...............................................................................................................................22 負(fù)載均衡分析 .......................................................................................................................22 負(fù)載均衡策略 ...............................................................................................................22 異地分布策略 ...............................................................................................................22 容災(zāi)備份分析 .......................................................................................................................225 部署方案 ................................................................................................246 風(fēng)險分析及規(guī)避措施 ............................................................................25 硬件故障 ...............................................................................................................................25 機器、磁盤故障 ...........................................................................................................25 IDC 線路故障和黑客攻擊 ...........................................................................................25 軟件故障 ...............................................................................................................................26 Dir 服務(wù)器 .....................................................................................................................26 mysql .............................................................................................................................26 狀態(tài)的轉(zhuǎn)移和恢復(fù) ..