PTN标准最新进展——阿朗.ppt
PTN标准最新进展,2010年5月,2|Presentation Title|Month 2006,T-MPLS 与MPLS-TP 演进之路,3|Presentation Title|Month 2006,MPLS-TP JWT工作组成员,OperatorsBTVerizonATTNTTComcastVendorsAcreo ABAlcatel-LucentCiscoEricssonHuaweiJuniperNortelOld Dog Consulting,Chairmen:Malcolm Betts nominated by ITU-TDave Ward nominated by IETF,ITU-T,IETF,JointWorkingTeam,Q.12/15,Q.9/15,Q.14/15,Q.5/13,Q.11/15,mpls WG,pwe3 WG,ccamp WG,MPLS interop design team,ad hocT-MPLS,4|Presentation Title|Month 2006,MPLS-TP最新标准化文档状态,IETF is developing a set of documents to specify MPLS-TPFirst set currently in IETF approval process,Purple=ALU editorsSee http:/tools.ietf.org/id/mpls-tp http:/wiki.tools.ietf.org/misc/mpls-tp/,10s of drafts have been proposed on MPLS-TP standardization!,5|Presentation Title|Month 2006,T-MPLS与MPLS-TP 进展对比,6|Presentation Title|Month 2006,MPLS-TP标志性特点：MPLS-TP OAM帧结构,LSP Label,OAM PacketLabel Stack,GAL,Generic Alert Label(GAL)Identifies G-ACh packet on LSPNew reserved label(Value=13)Not needed for PWs use control word,ACH,Associated Channel Header(ACH)Reuse PW ACH on LSPsChannel Type indicates protocol,Payload,G-ACh Packet PayloadE.g.OAM or Data Communication(DCC),ACH TLV,ACH TLVs(optional depends on ACH protocol)Intended for src/dst addressing,authentication,etc.,MPLS-TP uses a new alert label to identify packets on the Generic Associated Channel(G-Ach)Generic Alert Label(GAL),7|Presentation Title|Month 2006,MPLS-TP OAM 功能及工具,*BFD to be extended for pro-active CC-CV and RDI,*LSP Ping to be extended for on-demand CV and TraceRoute,8|Presentation Title|Month 2006,T-MPLS与MPLS-TP OAM进展对比,9|Presentation Title|Month 2006,MPLS-TP的发展计划,ITU-T 已经开始了对2007年的TMPLS G.8110.1,G.8112,G.8121,G.8131,G.8132 G.8151以及 2008年的G.mplstp-oam标准的重新审核工作，以实现和MPLS-TP的融合.ITU-T 已经于2009年6月开始了PTN设备规范G.ptneq的开发工作。ITU-T和IETF明确双方都不能阻止对方标准的发布。IETF MPLS-TP Draft 的editor应该重视ITU-T通过联络声明发送的意见。,框架标准路标(2010年中）,保护及OAM工具路标(2011年）,以应用推动标准化进程,10|Presentation Title|Month 2006,www.alcatel-,
