【正文】 .......................................................18 公眾 .......................................................................................................................................18 業(yè)務范圍 ........................................................................................................................19 燃氣事故 ...............................................................................................................................19 供熱事故 ...............................................................................................................................20 城市地下管線事故 ...............................................................................................................20 戶外廣告事故 .......................................................................................................................21 路燈事故(協(xié)調) ...................................................................................................................21 加油加氣站 ...........................................................................................................................21 數(shù)據(jù)需求分析 ................................................................................................................21 應急基礎數(shù)據(jù)（從市級平臺獲得） ...................................................................................22 應急業(yè)務數(shù)據(jù)（應急業(yè)務自己產生的數(shù)據(jù)庫） ...............................................................23 性能需求分析 ................................................................................................................24 系統(tǒng)處理能力需求 ........................................................................................................24 網(wǎng)絡通信需求 ................................................................................................................24 對安全保密需求 ............................................................................................................253 / 762 項目建設原則及目標 .............................................25 項目建設原則 .........................................................................................................................25 資源整合的原則（充分利用市級平臺現(xiàn)有基礎） ...........................................................25 互聯(lián)互通的原則 ...................................................................................................................27 項目建設目標 .........................................................................................................................27 多媒體受理中心 ............................................................................................................28 綜合信息中心 ................................................................................................................28 職能化決策支持中心 ....................................................................................................28 立體調度中心 ................................................................................................................293 項目建設依據(jù)與建設內容 .........................................29 項目建設依據(jù) .........................................................................................................................29 北京市政府的相關規(guī)定 ................................................................................................29 相關的涉密要求 ............................................................................................................30 國家及行業(yè)標準規(guī)范 ....................................................................................................30 項目建設內容 .........................................................................................................................32 應急指揮系統(tǒng)平臺硬件系統(tǒng)的建設內容 ....................................................................32 應急綜合管理信息數(shù)據(jù)中心建設內容 ........................................................................33 應急綜合管理信息系統(tǒng)軟件支撐體系的建設 ............................................................33 應急綜合管理信息系統(tǒng)建設內容 ................................................................................334 項目總體設計方案 ...............................................34 項目設計原則 .........................................................................................................................34 系統(tǒng)總體架構 .........................................................................................................................35 基礎環(huán)境 ........................................................................................................................36 網(wǎng)絡層 ............................................................................................................................36 硬件層 ............................................................................................................................37 數(shù)據(jù)交換層 ....................................................................................................................37 數(shù)據(jù)庫層 ........................................................................................................................37 業(yè)務邏輯層 ....................................................................................................................37 應用功能層 ....................................................................................................................37 用戶訪問層 ....................................................................................................................38 應急指揮系統(tǒng)平臺硬件系統(tǒng)的設計方案 .............................................................................39 通過利用市級平臺的可以實現(xiàn)的系統(tǒng) ........................................................................39 數(shù)字會議系統(tǒng) .......................................................................................................................39 現(xiàn)有系統(tǒng)描述 ..................................................................................................................39 實現(xiàn)功能 ..........................................................................................................................40 IP 視頻會議系統(tǒng) .......................................