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ptn總體技術(shù)要求-送審稿-v21--免費閱讀

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【正文】 ICS M 33 中 華 人 民 共 和 國 通 信 行 業(yè) 標(biāo) 準(zhǔn) YD YD/T — 分組傳送網(wǎng)( PTN)總體技術(shù)要求 General Technical Requirements for Packet Transport works (送審稿) 20 發(fā)布 20 實施 中華人民共和國工業(yè)和信息化部 發(fā)布 YD/T — I 目 次 前 言 ........................................................................................................................................................................................VI 1. 范圍 ..........................................................................................................................................................................................1 2. 規(guī)范性引用文 件 ...................................................................................................................................................................1 3. 術(shù)語、定義和縮略語 .........................................................................................................................................................2 . 術(shù)語和定義 ................................................................................................................................................................... 2 . ELSP( EXPInferedPSC LSP) .................................................................................................................2 . 層網(wǎng)絡(luò)( Layer work) ...............................................................................................................................2 . LSP 合并( LSP Merge) ................................................................................................................................3 . 倒數(shù)第二跳彈出( PHP) ..............................................................................................................................3 . 分組傳送路徑( Packet transport path) ...................................................................................................3 . 分組傳送路徑層( Packet transport path layer) ....................................................................................3 . 分組傳送業(yè)務(wù)層( Packet transport service layer) ...............................................................................3 . 段層網(wǎng)絡(luò)( Section Layer Network) ..........................................................................................................3 . 傳輸媒介層( Transmission media layer) ................................................................................................3 . 主動 OAM( Proactive OAM) ....................................................................................................................3 . 按需 OAM( Ondemand OAM) ..................................................................................................................3 . 虛通道( Virtual channel, VC) ..................................................................................................................3 . 虛通路( Virtual path, VP) .........................................................................................................................3 . 虛段層( Virtual section, VS) .....................................................................................................................4 . 維護實體( Maintenance entity, ME).........................................................................................................4 . 維護實體組( Maintenance entity group, MEG) .................................................................................4 . 維護實體組終端點( MEG End Points, MEP) ....................................................................................4 . 維護實體組中間點( MEG Intermediate Point, MIP) .......................................................................4 . PTN 網(wǎng)絡(luò)終端 ( Network Termination, NT) ........................................................................................4 . PTN VC 交換( PTN VC Switch) ...............................................................................................................4 . PTN VP 交換( PTN VP Switch) ................................................................................................................4 . PTN VC/VP 交換( PTN VC/VP Switch) ..................................................................................................4 . 縮略語 ............................................................................................................................................................................ 4 4. 分組傳送網(wǎng)( PTN)的網(wǎng)絡(luò)功能架構(gòu) .........................................................................................................................8 . 分組傳送網(wǎng)( PTN)的基本特征和實現(xiàn)技術(shù) .................................................................................................. 8 . 分組傳送網(wǎng)( PTN)的層網(wǎng)絡(luò) .............................................................................................................................. 9 . PTN 的層網(wǎng)絡(luò)模型 ...........................................................................................................................................9 . PTN 的虛通道( VC)層 ...............................................................................................................................11 . PTN 的虛通路( VP)層 ...............................................................................................................................11 . PTN 的虛段( VS)層 ....................................................................................................................................11 . PTN 各層之間的復(fù)用關(guān)系 .......................................................................................................................... 12 . 分組傳送網(wǎng)( PTN)的網(wǎng)絡(luò)分域 ....................................................................................................................... 12 . 分組傳送網(wǎng)( PTN)的網(wǎng)元分類及其功能結(jié)構(gòu) ........................................................................................... 13 YD/T — II . 分組傳送網(wǎng)( PTN)網(wǎng)元的分類 ............................................
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