【正文】 光互聯(lián)網(wǎng)絡(luò)的現(xiàn)狀與發(fā)展 畢業(yè)論文 光互聯(lián)網(wǎng)絡(luò)的現(xiàn)狀與發(fā)展 .................................................................................................................. 2 摘要 .................................................................................................................................................. 2 一、光互聯(lián)網(wǎng)絡(luò)的最新進展 ............................................................................................................... 4 光互聯(lián)網(wǎng)絡(luò)的背景 ............................................................................................................. 4 寬帶接入網(wǎng)的發(fā)展現(xiàn)狀和應(yīng)用 .................................................................................. 5 寬帶光纖接入網(wǎng)的優(yōu)勢 .............................................................................................. 5 點到點有源光纖接入網(wǎng) ...................................................................................................... 6 寬帶數(shù)字環(huán)路載波系統(tǒng) .............................................................................................. 6 點到點同步數(shù)字系列 /多業(yè)務(wù)傳送平臺系統(tǒng) ................................................................ 7 點到多點系統(tǒng) ...................................................................................................................... 8 無源光網(wǎng)絡(luò)技術(shù) ......................................................................................................... 8 ATM 無源光網(wǎng)絡(luò)和寬帶無源光網(wǎng)絡(luò) ........................................................................... 8 以太網(wǎng)無源光網(wǎng)絡(luò) /千兆以太網(wǎng)無源光網(wǎng)絡(luò) ................................................................ 9 千兆無源光網(wǎng)絡(luò) ........................................................................................................10 光互聯(lián)網(wǎng)絡(luò)的概念光互聯(lián)網(wǎng)絡(luò) (Optical Interworking) ................................................. 11 光互聯(lián)網(wǎng)絡(luò)的參考模型光互聯(lián)網(wǎng)絡(luò)的分層模型 .................................................................. 11 OUNI 是指數(shù)據(jù)網(wǎng)絡(luò)單元與光網(wǎng)絡(luò)的接口 ....................................................................... 11 光互聯(lián)網(wǎng)絡(luò)的研究課 題 .....................................................................................................12 光互聯(lián)網(wǎng)絡(luò)的參考模型 .............................................................................................12 光互聯(lián)網(wǎng)絡(luò)的參考模型、 ...................................................................................................12 數(shù)據(jù)網(wǎng)絡(luò)層與光網(wǎng)絡(luò)層的適配 ..................................................................................12 光互聯(lián)網(wǎng)絡(luò)的物理接口 ............................................................................................12 層間管理數(shù)據(jù)網(wǎng)絡(luò)層與光網(wǎng)絡(luò)層之間的層間管理功能 ...............................................12 與 SONET/SDH 基礎(chǔ)設(shè)施相連接 ...........................................................................................13 二、 IP 主導(dǎo)未來 ..............................................................................................................................13 三、理想的傳送技術(shù) ——— WDM.........................................................................................................15 四、三種 IP 傳送技術(shù)次第上崗 .........................................................................................................16 IP over ATM......................................................................................................................16 IP over SDH .....................................................................................................................17 IP over WDM .....................................................................................................................17 光互聯(lián)網(wǎng)基本結(jié)構(gòu)特性 .....................................................................................................19 光互聯(lián)網(wǎng)的協(xié)議棧及功能 ..................................................................................................19 五、光互聯(lián)網(wǎng)關(guān)鍵技術(shù) .....................................................................................................................19 1 關(guān)鍵器件 .........................................................................................................................20 再生器 .....................................................................................................................20 光轉(zhuǎn)發(fā)器 .................................................................................................................20 光分插復(fù)用器 ...........................................................................................................21 光交叉連接器 ..........................................................................................................21 光開關(guān) .....................................................................................................................23 OBS 網(wǎng)絡(luò)環(huán)境下增強型 GMPLS 控制面技術(shù) ..........................................................................26 六、光互聯(lián)網(wǎng)待解決的問題 ..............................................................................................................27 數(shù)據(jù)網(wǎng)絡(luò)層與光網(wǎng)絡(luò)層的適配 ........................................................................................27 物理接口的規(guī)范 ................................................................................................................27 層間管理功能 ...................................................................................................................27 網(wǎng)絡(luò)保護恢復(fù) ...................................................................................................................28 網(wǎng)絡(luò)管理問題 ..................................................................................................................28 已經(jīng)有一些調(diào)整的方法 ...................................................................................................29 路由協(xié)議擴展 ...........................................................................................................29 信令協(xié)議擴展 ...........................................................................................................29 鏈路管理協(xié) 議擴展 ....................................................................................................30