廣域網(wǎng)（第7版）

第一章  廣域網(wǎng)基礎                  
 概述                  
 第一節(jié)  網(wǎng)絡分類                  
 局域網(wǎng)                  
 園區(qū)網(wǎng)                  
 城域網(wǎng)                  
 廣域網(wǎng)                  
 練習                  
 第二節(jié)  電信網(wǎng)絡                  
 電信網(wǎng)絡的發(fā)展                  
 不只是文字通信                  
 練習                  
 第三節(jié)  語音網(wǎng)絡                  
 模擬網(wǎng)絡的連接                  
 干線的減少                  
 練習                  
 第四節(jié)  語音網(wǎng)絡技術                  
 模擬技術                  
 早期的電話                  
 頻分多路復用(FDM)                  
 雙工通信                  
 專用小交換機(PBX)                  
 練習                  
 第五節(jié)  PBX基礎                  
 PBX組件                  
 通過PBX進行呼叫                  
 選定呼叫路由                  
 PBX的輔助功能                  
 電話機性能                  
 話務控制臺服務                  
 管理報告                  
 PBX增強功能                  
 PBX費用和需求                  
 練習                  
 第六節(jié)  PBX特性與功能                  
 呼叫記賬系統(tǒng)                  
 語音郵件系統(tǒng)                  
 自動話務臺                  
 服務等級(CoS)                  
 其他功能                  
 練習                  
 第七節(jié)  語音網(wǎng)絡上的計算機信號                  
 模擬信號和數(shù)字信號                  
 調(diào)制解調(diào)器                  
 練習                  
 第八節(jié)  語音信號的數(shù)字化                  
 模擬到數(shù)字                  
 組合                  
 時分復用                  
 波分復用                  
 練習                  
 ·第九節(jié)  綜合服務                  
 1和0                  
 數(shù)據(jù)傳輸                  
 語音會話                  
 練習                  
 第十節(jié)  電信機構                  
 電信機構                  
 價目表                  
 練習                  
 本章小結                  
 第二章  廣域網(wǎng)概念和設備                  
 概述                  
 第一節(jié)  物理電路和邏輯電路                  
 電路和虛電路                  
 SVC信息傳輸                  
 練習                  
 第二節(jié)  連接到廣域網(wǎng)電路                  
 數(shù)據(jù)通信設備                  
 DTE到DCE協(xié)議                  
 練習                  
 第三節(jié)  連接到模擬網(wǎng)絡                  
 調(diào)制解調(diào)器概念                  
 內(nèi)置與外置調(diào)制解調(diào)器                  
 UART                  
 RS-232                  
 調(diào)制解調(diào)器信號                  
 練習                  
 第四節(jié)  模擬調(diào)制解調(diào)器                  
 調(diào)制解調(diào)器協(xié)議                  
 調(diào)制                  
 調(diào)制解調(diào)器運行                  
 練習                  
 第五節(jié)  調(diào)制解調(diào)器的同步                  
 時序就是一切                  
 數(shù)據(jù)壓縮與差錯控制                  
 調(diào)制解調(diào)器的兼容性                  
 練習                  
 第六節(jié)  連接到數(shù)字網(wǎng)絡                  
 DTE和信道服務單元接口                  
 亞速率設備                  
 數(shù)據(jù)電話數(shù)字服務                  
 練習                  
 第七節(jié)  微波通信                  
 微波通信基礎                  
 微波設備                  
 練習                  
 第八節(jié)  衛(wèi)星通信                  
 連接到衛(wèi)星                  
 衛(wèi)星設備                  
 衛(wèi)星頻率范圍                  
 衛(wèi)星特點                  
 衛(wèi)星和軌道                  
 帶寬                  
 衛(wèi)星協(xié)議                  
 衛(wèi)星應用                  
 練習                  
 第九節(jié)  端到端連接                  
 廣域網(wǎng)應用                  
 練習                  
 本章小結                  
 第三章  物理層廣域網(wǎng)協(xié)議                  
 概述                  
 第一節(jié)  數(shù)據(jù)速率總結                  
 點對點鏈路                  
 各種數(shù)據(jù)速率及相關應用                  
 帶寬                  
 練習                  
 第二節(jié)  撥號線路和租用線路                  
 撥號連接                  
 租用線路                  
 數(shù)字數(shù)據(jù)服務(DDS)                  
 練習                  
 第三節(jié)  SW56                  
 Switched-56服務                  
 SW56操作                  
 練習                  
 第四節(jié)  甚小口徑終端(VSAT)                  
 VSAT應用                  
 衛(wèi)星應用                  
 練習                  
 第五節(jié)  T-Camer和E-Carrier                  
 T1. FTl和T3                  
 T1                  
 FT1                  
 T3和北美數(shù)字層次結構                  
 線路成本                  
 練習                  
 第六節(jié)  ADSL                  
 ADSL                  
 數(shù)字用戶線和Internet接入                  
 本地高速Internet訪問的選擇方案                  
 練習                  
 第七節(jié)  線纜調(diào)制解調(diào)器                  
 線纜調(diào)制解調(diào)器技術                  
 ADSL和線纜調(diào)制解調(diào)器用戶透視                  
 練習                  
 第八節(jié)  SONET                  
 同步光纖網(wǎng)(SONET)標準                  
 SONET的優(yōu)勢                  
 SONET協(xié)議結構                  
 SONET多路復用                  
 SONET幀格式                  
 SONET網(wǎng)絡組件                  
 練習                  
 本章小結                  
 第四章  數(shù)據(jù)鏈路層廣域網(wǎng)協(xié)議                  
 概述                  
 第一節(jié)  高層                  
 數(shù)據(jù)鏈路層協(xié)議                  
 可靠的廣域網(wǎng)網(wǎng)絡                  
 練習                  
 第二節(jié)  HDLC                  
 HDLC操作                  
 HDLC協(xié)議                  
 練習                  
 第三節(jié)  SLIP和PPP                  
 SLIP                  
 壓縮的SLIP                  
 點對點協(xié)議(PPP)                  
 練習                  
 第四節(jié)  端到端連接                  
 連接到Internet                  
 練習                  
 本章小結                  
 第五章  高層廣域網(wǎng)協(xié)議                  
 概述                  
 第一節(jié)  ISDN概念                  
 綜合數(shù)字網(wǎng)絡(IDN)                  
 ISDN服務                  
 練習                  
 第二節(jié)  ISDN協(xié)議                  
 ISDN協(xié)議                  
 ISDN用戶前端設備                  
 ISDN參考點                  
 練習                  
 第三節(jié)  ISDN的實現(xiàn)                  
 ISDN應用                  
 基本網(wǎng)絡連接                  
 遠程局間的網(wǎng)絡互連                  
 按需撥號遠程連網(wǎng)                  
 網(wǎng)絡冗余和溢出                  
 練習                  
 第四節(jié)  幀中繼概念                  
 什么是幀中繼                  
 幀中繼術語                  
 練習                  
 第五節(jié)  幀中繼協(xié)議                  
 永久電路和虛電路                  
 幀中繼幀                  
 幀中繼尋址                  
 通過幀中繼實現(xiàn)局域網(wǎng)互連                  
 練習                  
 第六節(jié)  幀中繼的實現(xiàn)                  
 幀中繼實現(xiàn)方案                  
 終端用戶接入幀中繼網(wǎng)絡                  
 幀中繼和專用線路網(wǎng)絡                  
 幀中繼服務                  
 公用幀中繼服務                  
 按需帶寬                  
 條件突發(fā)                  
 運營商選擇                  
 幀中繼網(wǎng)絡需求                  
 練習                  
 第七節(jié)  X. 25                  
 X. 25服務                  
 X. 25協(xié)議                  
 包裝拆器(PAD)                  
 PLP                  
 開銷和性能的局限性                  
 練習                  
 本章小結                  
 第六章  廣域網(wǎng)解決方案                  
 概述                  
 第一節(jié)  ATM概念                  
 對ATM的需求                  
 傳送模式                  
 定長信元                  
 信頭細節(jié)                  
 B-ISDN和ATM                  
 練習                  
 第二節(jié)ATM的實現(xiàn)                  
 虛通路和虛通道                  
 運行中的ATM                  
 ATM通信                  
 基于SONET的ATM                  
 ATM局域網(wǎng)／廣域網(wǎng)解決方案                  
 練習                  
 第三節(jié)  ATM設備                  
 ATM設備分類                  
 ATM網(wǎng)絡                  
 練習                  
 第四節(jié)  SMDS                  
 SMDS的基本特性                  
 用戶網(wǎng)絡接口(SNl)                  
 SMDS協(xié)議                  
 DXI                  
 SMDS優(yōu)缺點                  
 練習                  
 第五節(jié)  網(wǎng)絡范例                  
 網(wǎng)絡在機構中的作用                  
 機構用到的主要應用程序                  
 通用連接策略                  
 總體廣域網(wǎng)／局域網(wǎng)拓撲結構                  
 未來的增長計劃和升級策略                  
 練習                  
 本章小結                  
 第七章  基于廣域網(wǎng)技術的通信融合                  
 概述                  
 第一節(jié)  語音傳輸技術                  
 歷史                  
 市場的推動作用                  
 基于Intemet的語音傳輸                  
 基于幀中繼的語音傳輸(VoFR)                  
 基于ATM的語音傳輸                  
 市場發(fā)展方向和趨勢                  
 練習                  
 第二節(jié)  VoIP網(wǎng)絡構件                  
 ITU-TH. 323標準概述                  
 H. 32x系列的其他標準                  
 H. 323網(wǎng)絡構件                  
 MGCP                  
 練習                  
 第三節(jié)  推動分組電話需求的因素                  
 開放標準, 開放市場                  
 更多帶寬                  
 電信運營商應用                  
 企業(yè)應用                  
 語音趨于免費                  
 透明技術                  
 改進的網(wǎng)絡管理                  
 網(wǎng)絡的靈活性和可伸縮性                  
 新的應用                  
 練習                  
 第四節(jié)  專用VPN                  
 專用通信網(wǎng)                  
 節(jié)省費用                  
 提高效率                  
 增加用戶滿意度                  
 練習                  
 第五節(jié)  PSTN遠程訪問                  
 遠程訪問應用                  
 撥號訪問                  
 ISDN訪問                  
 DSL訪問                  
 練習                  
 本章小結                  
 附錄A 課程測驗                  
 術語索引