【正文】 ....................................................................... 92 公共管理 .............................................................................................................. 93 系統(tǒng)接口 .............................................................................................................. 94 信息采集與信息流 .................................................................................................. 96 系統(tǒng)數(shù)據(jù)流程圖 ................................................................................................... 96 關鍵處理流程和數(shù)據(jù)流程 .................................................................................... 97 第六章 系統(tǒng)安全 .........................................................................................................105 安全策略原則 ........................................................................................................105 遵循安全標準 ........................................................................................................105 物理安全 ................................................................................................................106 網(wǎng)絡安全 ................................................................................................................106 安全手段 .............................................................................................................106 GPRS 接入方式 .....................................................................................................107 系統(tǒng)安全 ................................................................................................................108 操作系統(tǒng) .............................................................................................................108 數(shù)據(jù)庫 .................................................................................................................109 應用系統(tǒng)安全 ......................................................................................................110 備份 .......................................................................................................................111 主機的備份 .........................................................................................................111 網(wǎng)絡設備的備份 ..................................................................................................112 設備冗余 .............................................................................................................112 主機操作系統(tǒng)的備份 ...........................................................................................112 5 應用軟件的備份 ..................................................................................................113 GPS 信息中心數(shù)據(jù)庫的備份 .................................................................................113 防病毒 ...................................................................................................................114 客戶端的防病毒系統(tǒng) ...........................................................................................114 服務器端的防病毒系統(tǒng) .......................................................................................115 防病毒軟件的統(tǒng)一管理和升級 ............................................................................115 第七章 系統(tǒng)配置方案 ..................................................................................................116 配置總體原則 ........................................................................................................116 主機設備 .............................................................................................................116 網(wǎng)絡設備 .............................................................................................................117 配置需求分析 ........................................................................................................118 存儲量估算 .........................................................................................................118 主機處理能力估算 ..............................................................................................120 網(wǎng)絡帶寬估算 ......................................................................................................124 系統(tǒng)硬件配置方案 .................................................................................................126 網(wǎng)絡設備 .............................................................................................................126 系統(tǒng)主機設備 ......................................................................................................127 系統(tǒng)硬件配置表 ..................................................................................................127 系統(tǒng)軟件配置方案 .................................................................................................128 數(shù)據(jù)庫 .................................................................................................................128 操作系統(tǒng) .............................................................................................................130 電子地圖 .............................................................................................................130 軟件配置表 .........................................................................................................130 系統(tǒng)對 GPS 設備的要求 .........................................................................................131 基本要求 .............................................................................................................132 性能要求 .............................................................................................................132 功能要求 .............................................................................................................133 配 置清單 .............................................................................................................136 6 第八章 工程實施方案建議 ..........................................................................................139 組織結