【正文】 .........................................................53. QOS 體系結(jié)構(gòu) ...............................................................................................................53. QOS 實(shí)現(xiàn)機(jī)制 ...............................................................................................................54. QOS 規(guī)劃 .......................................................................................................................58. 可靠性設(shè)計(jì) .............................................................................................................................60. 設(shè)備級(jí)可靠 ....................................................................................................................60. 鏈路級(jí)可靠 ....................................................................................................................61. 網(wǎng)管系統(tǒng)設(shè)計(jì) .........................................................................................................................61. 網(wǎng)管系統(tǒng)需求 ................................................................................................................61. 網(wǎng)管系統(tǒng)功能 ................................................................................................................627. 數(shù)字城管安全系統(tǒng)方案 .................................................................................................................65. 網(wǎng)絡(luò)安全威脅分析 .................................................................................................................65. 網(wǎng)絡(luò)安全必要性 .....................................................................................................................65. 網(wǎng)絡(luò)結(jié)構(gòu)安全策略 .................................................................................................................66. 局域網(wǎng)和主機(jī)安全策略 .........................................................................................................67. 數(shù)據(jù)安全策略 .........................................................................................................................68 4 . 防病毒措施 .............................................................................................................................69. 安全防御體系設(shè)計(jì) .................................................................................................................69. 全方位多層次防御 ........................................................................................................69. 應(yīng)用軟件安全設(shè)計(jì) ........................................................................................................69. 三類重點(diǎn)保護(hù)區(qū)域 ........................................................................................................70. 功能技術(shù)要求 .........................................................................................................................71. 防火墻 ............................................................................................................................71. 入侵防御系統(tǒng) ................................................................................................................72. 漏洞掃描系統(tǒng) ................................................................................................................72. 終端準(zhǔn)入防御系統(tǒng) ........................................................................................................73. 安全審計(jì)系統(tǒng) ................................................................................................................74. 用戶上網(wǎng)行為審計(jì)系統(tǒng) ................................................................................................74. 應(yīng)用加速與負(fù)載均衡設(shè)備 ............................................................................................75. 安全隔離網(wǎng)閘 ................................................................................................................75. 防病毒系統(tǒng) ....................................................................................................................77. 安全管理中心 ................................................................................................................78. 安全管理制度 .........................................................................................................................79. 操作安全管理制度 ........................................................................................................79. 場(chǎng)地與設(shè)施安全管理制度 ............................................................................................80. 安全使用管理制度 ........................................................................................................80. 操作系統(tǒng)和數(shù)據(jù)庫安全管理制度 ................................................................................81. 技術(shù)文檔安全管理制度 ................................................................................................81. 數(shù)據(jù)安全管理制度 ........................................................................................................81. 應(yīng)急管理制度 ................................................................................................................81. 審計(jì)管理制度 ................................................................................................................828. 存儲(chǔ)備份系統(tǒng)方案 .........................................................................................................................83. 數(shù)據(jù)存儲(chǔ)方案 .........................................................................................................................83. SAN 存儲(chǔ)特點(diǎn) ................................................................................................................83. 存儲(chǔ)方案 ........................................................................................................................85. 數(shù)據(jù)備份方案 .........................................................................................................................86. 數(shù)據(jù)備份必要性 ............................................................................................................86. 數(shù)據(jù)備份原則 ................................................................................................................