【正文】 .............................20 城域網(wǎng)改造 ...................................................................................................................................22 廣域網(wǎng)改造 ...................................................................................................................................23 廣域網(wǎng)分布層改造 ...............................................................................................................23 廣域網(wǎng)接入層改造 ...............................................................................................................24 外網(wǎng)的連接 ...................................................................................................................................25 可靠性設(shè)計 ...........................................................................................................................263 / 51 設(shè)備備份 ...............................................................................................................................26 鏈路備份 ...............................................................................................................................27 網(wǎng)絡(luò) IP 路由設(shè)計 .........................................................................................................................27 面向應(yīng)用的網(wǎng)絡(luò)服務(wù) ...................................................................................................................28 業(yè)務(wù)分類和數(shù)據(jù)特點的分析： ...........................................................................................28 QOS 保證 ...............................................................................................................................28第 5 章 三峽建行網(wǎng)絡(luò)管理設(shè)計 ............................................................................................................30 網(wǎng)管系統(tǒng)功能及其職責(zé) ...............................................................................................................30 網(wǎng)絡(luò)管理平臺和網(wǎng)管工作站 .......................................................................................................31第 6 章 網(wǎng)絡(luò)系統(tǒng)安全設(shè)計 ....................................................................................................................32 安全模型（P2DR 模型） ............................................................................................................32 三峽建行網(wǎng)絡(luò)系統(tǒng)總體安全體系 ...............................................................................................33 安全策略設(shè)計 .......................................................................................................................33 總體安全體系的規(guī)定 ...........................................................................................................33 三峽建行網(wǎng)絡(luò)級安全設(shè)計 ..........................................................................................................35 局域網(wǎng)安全設(shè)計 ...................................................................................................................35 廣域網(wǎng)安全設(shè)計 ...................................................................................................................37第 7 章 IP 電話網(wǎng)絡(luò)設(shè)計 .......................................................................................................................40 IP 電話網(wǎng)絡(luò)建設(shè)的必要性 ...........................................................................................................40 IP 電話所使用的幾種技術(shù) ...........................................................................................................40 CISCO 的 VOIP 解決方案 ............................................................................................................41 三峽建行與總行的 VoIP 通信 .............................................................................................42 IP 語音的管理 ...............................................................................................................................43第 8 章 三峽建行視頻會議設(shè)計 ............................................................................................................45 視頻會議系統(tǒng)結(jié)構(gòu) .......................................................................................................................45 會議電視終端設(shè)備 .......................................................................................................................46 三峽建行會場 .......................................................................................................................46 實現(xiàn)功能 .......................................................................................................................................47 主要特點 .......................................................................................................................................47H 附件 1 三峽建行 IP 地址分配規(guī)劃 ................................................................................................48總行規(guī)定 IP 地址編碼結(jié)構(gòu) ................................................................................................................48三峽建行 IP 地址規(guī)劃表 ....................................................................................................................48附件 2 三峽建行 IP 聯(lián)絡(luò)中心方案 .......................................................................................................50三峽建行 CALL CENTER 解決方案 .................................................................................................50三峽建行 IPCC 體系架構(gòu) ..............................................................................................................50IPCC 功能和優(yōu)點 ...........................................................................................................................51IPCC 系統(tǒng)構(gòu)成 ...............................................................................................................................54IPCC 應(yīng)用軟件開發(fā) ................................................................................................................574 / 51第 1 章 三峽建行網(wǎng)絡(luò)現(xiàn)狀 三峽建行作為總行確定的六十個重點城市行之一，經(jīng)過幾年的建設(shè)，已建成了覆蓋各縣市（除 W 縣）城市綜合業(yè)務(wù)網(wǎng)絡(luò)系統(tǒng)，在此基礎(chǔ)上依托總行建成了以清算 A 卡網(wǎng)絡(luò)系統(tǒng)、企業(yè)內(nèi)部網(wǎng)為代表的全國性三峽建行內(nèi)部互連網(wǎng)絡(luò)。路由器應(yīng)用見表一：設(shè)備 端口 線路 速率 說明5 / 51Cisco 7206A Port 1 64K