【資料名稱(chēng)】：T-MPLS

【資料作者】：傳送網(wǎng)和接入網(wǎng)技術(shù)工作委員會(huì)-傳送網(wǎng)工作組

【資料日期】：2007年6月8日

【資料語(yǔ)言】：中文

【資料格式】：PDF

【資料目錄和簡(jiǎn)介】：

目次

1范圍...............................................................................................................................................1
2引用標(biāo)準(zhǔn).......................................................................................................................................1
3定義和縮略語(yǔ)...............................................................................................................................1
4 T-MPLS網(wǎng)絡(luò)總體架構(gòu)................................................................................................................1
4.1 T-MPLS定義.............................................................................................................................1
4.1.1定義.......................................................................................................................................1
4.1.2 T-MPLS網(wǎng)絡(luò)中數(shù)據(jù)的轉(zhuǎn)發(fā).................................................................................................2
4.1.3 T-MPLS和 MPLS的差別.....................................................................................................2
4.2 T-MPLS網(wǎng)絡(luò)結(jié)構(gòu).....................................................................................................................3
4.2.1 T-MPLS網(wǎng)絡(luò)分層結(jié)構(gòu).........................................................................................................3
4.2.2 T-MPLS網(wǎng)絡(luò)的三個(gè)平面.....................................................................................................4
5 T-MPLS OAM 技術(shù).....................................................................................................................6
5.1 ME、MEG、MEP和 MIP術(shù)語(yǔ)定義.......................................................................................6
5.2 MEG嵌套..................................................................................................................................6
5.3 OAM 分組格式.........................................................................................................................7
5.4識(shí)別 OAM 分組.......................................................................................................................7
5.4.1目標(biāo)為 MEP的 OAM 分組.................................................................................................7
5.4.2目標(biāo)為 MIP的 OAM 分組..................................................................................................8
5.5 T-MPLS OAM 結(jié)構(gòu)...................................................................................................................8
5.6 OAM 功能.................................................................................................................................9
5.6.1告警相關(guān) OAM 功能...........................................................................................................9
5.6.2性能相關(guān) OAM 功能...........................................................................................................9
5.6.3其它OAM 功能.................................................................................................................10
6 T-MPLS保護(hù)技術(shù)......................................................................................................................10
6.1線(xiàn)性保護(hù)倒換.........................................................................................................................10
6.1.1 T-MPLS路徑保護(hù)..............................................................................................................10
6.1.1.1單向 1+1 T-MPLS路徑保護(hù)..........................................................................................10
6.1.1.2雙向 1:1 T-MPLS路徑保護(hù)...........................................................................................11
6.1.2 T-MPLS SNC保護(hù).............................................................................................................12
6.1.2.1雙向 1:1 SNC/S保護(hù)倒換.............................................................................................13
6.2環(huán)網(wǎng)保護(hù).................................................................................................................................13
6.2.1環(huán)網(wǎng)保護(hù)的網(wǎng)絡(luò)目標(biāo).........................................................................................................13
6.2.2 Wrapping 保護(hù).....................................................................................................................14
6.2.3 Steering 保護(hù).......................................................................................................................15
6.2.4點(diǎn)到多點(diǎn)業(yè)務(wù)的 Wrapping 保護(hù).......................................................................................16
6.3 T-MPLS MESH 保護(hù)和恢復(fù)...................................................................................................17
7 T-MPLS 網(wǎng)絡(luò)接口.....................................................................................................................17
7.1 T-MPLS網(wǎng)絡(luò)接口劃分...........................................................................................................17
7.2 T-MPLS UNI............................................................................................................................18
7.3 T-MPLS NNI............................................................................................................................18
7.3.1 MoE NNI..............................................................................................................................18
7.3.2 MoS NNI..............................................................................................................................18
7.3.3 MoO NNI .............................................................................................................................19
7.3.4 MoP NNI ..............................................................................................................................19
7.3.5 MoR NNI .............................................................................................................................19
8 T-MPLS DCN ..............................................................................................................................20
8.1 T-MPLS DCN定義................................................................................................................20
8.2 SCN..........................................................................................................................................20
8.2.1 SCN和 T-MPLS數(shù)據(jù)共享服務(wù)層.....................................................................................20
8.2.2 SCN和 T-MPLS數(shù)據(jù)共享 T-MPLS服務(wù)層.....................................................................20
8.2.3獨(dú)立的 IP T-MPLS SCN網(wǎng)................................................................................................21
8.3 MCN ........................................................................................................................................21
9 T-MPLS控制面..........................................................................................................................21
9.1 T-MPLS控制面要求...............................................................................................................21
9.2 MLN技術(shù)................................................................................................................................22
10 T-MPLS網(wǎng)絡(luò)管理....................................................................................................................22
11 T-MPLS網(wǎng)絡(luò)的應(yīng)用................................................................................................................22
11.1 T-MPLS在網(wǎng)絡(luò)中的位置.....................................................................................................22
11.2城域網(wǎng)的應(yīng)用-電信級(jí)以太網(wǎng).............................................................................................23
11.3核心網(wǎng)的應(yīng)用-電信級(jí) IP核心承載網(wǎng)................................................................................23
12 T-MPLS業(yè)務(wù)............................................................................................................................24
12.1 T-MPLS承載的業(yè)務(wù)類(lèi)型.....................................................................................................24
12.2 VPN業(yè)務(wù)...............................................................................................................................24
13 T-MPLS網(wǎng)絡(luò)和其他網(wǎng)絡(luò)的關(guān)系和互聯(lián)互通........................................................................25
13.1 T-MPLS網(wǎng)絡(luò)和其他網(wǎng)絡(luò)的關(guān)系.........................................................................................25
13.2 T-MPLS網(wǎng)絡(luò)和以太網(wǎng)/PBT 的互聯(lián)互通............................................................................26
13.2.1 TMPLS網(wǎng)絡(luò)與以太網(wǎng)的互通..........................................................................................26
13.2.2 TMPLS網(wǎng)絡(luò)與 PBT 網(wǎng)絡(luò)的互通.....................................................................................26
13.3 T-MPLS網(wǎng)絡(luò)和 IP/MPLS 網(wǎng)絡(luò)的互聯(lián)互通........................................................................26
13.3.1 MPLS LSP 封裝到 TMPLS PW........................................................................................27
13.3.2 MPLS偽線(xiàn)封裝到 T-MPLS .............................................................................................28
13.4 T-MPLS網(wǎng)絡(luò)和現(xiàn)有 SDH/MSTP網(wǎng)絡(luò)的互聯(lián)互通............................................................30
14 T-MPLS網(wǎng)絡(luò)安全性................................................................................................................30
15研究課題結(jié)論...........................................................................................................................30