企業(yè)云：傳統(tǒng)IT向云遷移的實(shí)踐指南

目 錄
第1 章 架構(gòu)與規(guī)劃.....................................................................................................................1
1.1 傳統(tǒng)IT 的轉(zhuǎn)變...............................................................................................................1
1.2 云計算的演變................................................................................................................3
1.3 從集中式主機(jī)系統(tǒng)開始................................................................................................4
1.4 云部署模型..................................................................................................................11
1.5 其他“XaaS”服務(wù)......................................................................................................41
1.6 規(guī)劃與架構(gòu)的最佳實(shí)踐..............................................................................................42
第2 章 運(yùn)維遷移.......................................................................................................................48
2.1 托管服務(wù)遷移..............................................................................................................49
2.2 如何開始云遷移..........................................................................................................51
2.3 虛擬化..........................................................................................................................53
2.4 自動化..........................................................................................................................61
2.5 為客戶提供可見性......................................................................................................62
2.6 評估云服務(wù)..................................................................................................................64
2.7 數(shù)據(jù)主權(quán)及在岸運(yùn)維支持..........................................................................................69
2.8 信息技術(shù)基礎(chǔ)設(shè)施庫（ITIL）及運(yùn)維流程變化.......................................................69
2.9 使用現(xiàn)有的運(yùn)維團(tuán)隊(duì)..................................................................................................80
2.10 運(yùn)維遷移最佳實(shí)踐....................................................................................................85
第3 章 云的部署.......................................................................................................................92
3.1 外部采購與內(nèi)部構(gòu)建的決策......................................................................................92
3.2 云基礎(chǔ)設(shè)施..................................................................................................................95
3.3 SAN 深度解析...........................................................................................................104
3.4 虛擬機(jī)備份................................................................................................................111
3.5 范疇、發(fā)布、客戶期望管理....................................................................................118
3.6 部署最佳實(shí)踐............................................................................................................119
第4 章 應(yīng)用遷移.....................................................................................................................126
4.1 應(yīng)用云化演進(jìn)............................................................................................................127
4.2 應(yīng)用分類....................................................................................................................128
4.3 應(yīng)用特性....................................................................................................................130
4.4 應(yīng)用開發(fā)和交付的新方法........................................................................................132
4.5 應(yīng)用遷移方法............................................................................................................135
4.6 可伸縮性....................................................................................................................138
4.7 應(yīng)用程序性能和基準(zhǔn)測試........................................................................................139
4.8 網(wǎng)絡(luò)帶寬....................................................................................................................140
4.9 應(yīng)用評