【正文】 8 2 網(wǎng)絡(luò)基礎(chǔ)平臺技術(shù)方案設(shè) 計 ............................................................................................................11 技術(shù)方案總體設(shè)計目標(biāo) .................................................................................... 11 高可用性 ................................................................................................ 11 高安全性 ................................................................................................ 11 可擴(kuò)展性 ................................................................................................ 11 可管理性 ................................................................................................ 12 先進(jìn)性 .................................................................................................... 12 技術(shù)方案設(shè)計原則 ........................................................................................... 13 層次化原則 ............................................................................................. 13 標(biāo)準(zhǔn)化原則 ............................................................................................. 14 XX 鋼鐵園區(qū)網(wǎng)絡(luò)架構(gòu)設(shè)計 ............................................................................... 15 整體網(wǎng)絡(luò)拓樸結(jié)構(gòu)設(shè)計 ............................................................................ 15 網(wǎng)絡(luò)系統(tǒng)功能 .......................................................................................... 16 技術(shù)性能說明 .......................................................................................... 17 核心層設(shè)計 ............................................................................................. 19 匯聚層設(shè)計 ............................................................................................. 21 接入層設(shè)計 ............................................................................................. 22 數(shù)據(jù)中心區(qū)域設(shè)計 ................................................................................... 23 存儲網(wǎng)絡(luò) SAN設(shè)計 ................................................................................. 27 出口網(wǎng)絡(luò)區(qū)域設(shè)計 ................................................................................... 38 網(wǎng)絡(luò)和安全管理區(qū)域設(shè)計 ......................................................................... 40 骨干網(wǎng)路由協(xié)議設(shè)計 ................................................................................ 42 IP 地址規(guī)劃 ............................................................................................ 46 路由技術(shù)及二層交換技術(shù)的應(yīng)用設(shè)計 ........................................................ 48 網(wǎng)絡(luò)高可靠性設(shè)計 ................................................................................... 54 基于 IP 網(wǎng)絡(luò)的業(yè)務(wù)系統(tǒng)數(shù)據(jù)隔離保護(hù) ............................................................... 64 MPLS 規(guī)劃設(shè)計 .............................................................................................. 65 MPLS/VPN技術(shù)介紹 ............................................................................... 65 MPLS/VPN應(yīng)用設(shè)計 ............................................................................... 66 MPLS/VPN安全分析 ............................................................................... 67 CISCO MPLS/VPN優(yōu)點(diǎn) .......................................................................... 70 3 “三網(wǎng)合一 ”技術(shù)方案設(shè)計 ............................................................................................................... 71 ―三網(wǎng)合一 ‖對網(wǎng)絡(luò)平臺的要求 ........................................................................... 71 QOS 規(guī)劃設(shè)計 ................................................................................................ 72 QoS 簡介 ............................................................................................... 72 QoS 設(shè)計實(shí)現(xiàn) ......................................................................................... 75 IP 網(wǎng)絡(luò)的 QOS 可管理性 ......................................................................... 77 接入 /匯聚 /核心 QoS 實(shí)現(xiàn)方案 .................................................................. 78 MPLS/VPN QOS 分析 ............................................................................. 79 IP 語音系統(tǒng)的設(shè)計 .......................................................................................... 83 思科統(tǒng)一通信系統(tǒng)概貌 ............................................................................ 83 XX 鋼鐵園區(qū) IP 語音系統(tǒng)架構(gòu) .................................................................. 87 XX鋼鐵園區(qū) IP電話系統(tǒng)構(gòu)成 ................................................................... 92 撥號方案規(guī)劃 .......................................................................................... 93 內(nèi)網(wǎng)中防火墻穿越的解決 ......................................................................... 95 園區(qū) IP語音系統(tǒng)的管理 ........................................................................... 96 具體產(chǎn)品型號功能描述 ............................................................................ 99 組播規(guī)劃設(shè)計 （針對視頻業(yè)務(wù)） ................................................................... 130 組播技術(shù)簡介 ........................................................................................ 130 組播路由協(xié)議的選擇 .............................................................................. 133 采用 PIMSSM的組播設(shè)計 .................................................................... 135 4 網(wǎng)絡(luò)安全和管理技術(shù)方案設(shè)計 ..................................................................................................... 136 安全防護(hù)體系設(shè)計 ......................................................................................... 136 網(wǎng)絡(luò)安全設(shè)計概述 ................................................................................. 136 網(wǎng)絡(luò)基礎(chǔ)設(shè)施安全防護(hù) .......................................................................... 141 網(wǎng)絡(luò)基礎(chǔ)設(shè)施集成的安全防護(hù)技術(shù) .......................................................... 142 端點(diǎn)安全防護(hù)技術(shù) ................................................................................. 147 思科 Netflow技術(shù) .................................................................................. 153 思科網(wǎng)絡(luò)分析模塊系統(tǒng) ......................................................