PTN 业务、QoS、OAM及倒换性能测试——JDSU

蒯宏燕蒯宏燕PTN 业务业务QoS, OAM及倒换性能测试及倒换性能测试 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION2PTN在城域网中的应用定位在城域网中的应用定位 3G/LTE基站回传 以太网专线, L2 VPN, CN2 MPLS VPN接入 城域L3业务接入（MPLS VPN，IPTV）接入接入汇汇聚聚骨干骨干PTNGE BSCFESRIP城域骨干城域骨干网网CECN2FE/GEFE/GE企业用户企业用户PTNPTN 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION3“分组分组”属性属性灵活性扩展性低成本分组流量汇聚.“传送传送”属性属性可控性QOS面向连接OAMBSC/PCFBTSFE FE 分组传送 语音数据3G3G基站接口从传统的基站接口从传统的TDMTDM向向ETHETH转变转变基站基站IPIP化，需要对化，需要对混传的混传的语语音和数据业务提供差别处理音和数据业务提供差别处理BSCBSC、MGWMGW等等POOLPOOL需要承载网需要承载网提供多归属支撑提供多归属支撑规模发展的数据业务需考虑规模发展的数据业务需考虑承载网的每比特收益承载网的每比特收益 移动承载网需要同时提供分组的灵活性和传送的可管可控能力。 为了降低对GPS的依赖，降低网络成本，需要支持时间和频率同步。 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION4PTN与与MSTP的比较的比较PTNPTN采用分组交换的方式，支持统计复用，对于分组业务的传送效率高，适应业务分组化的发展趋势以太网接口为主，成本低，业务速率升级便利。支持时间同步和频率同步，满足C网承载需求。标准化还在进行中，缺乏规模应用。MSTP基于时隙交换方式，适用于TDM业务的承载，无法满足数据业务带宽灵活调整的需求。E1/STM-1接口为主，业务速率升级不方便，数据业务为主时成本高。只支持频率同步。技术成熟度好，已有广泛应用。结论：结论：PTN更适合于作为更适合于作为3G成熟期和成熟期和LTE阶段的承载方案阶段的承载方案PTN 网络开通及运维测试网络开通及运维测试1. PTN 设备性能,业务承载及Qos测试 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION6PTN支持多业务统一承载支持多业务统一承载 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION7多业务全多业务全IPIP化传送化传送Dust FilterDust FilterBTSBTSNode BNode BNode BNode BBSCBSCRNCRNCRNCRNC线路接口线路接口线路接口线路接口CESoPSNSAToPTDMPOS/E1HDLCPPP/ML-PPPMPLSPWE3AbisTDME1AbisTDME1/chSTM-1AbisTDMPWE3AbisMACGElub UPAAL2ATMIMAE1lub UPAAL2ATMPWE3lub UPAAL2ATMSTM-1 - - - -lub UP802.1QMPLSPWE3Ethlub UP802.1QEthN:1 Eth PWE3 封装PWE3lub UP802.1QEthlub UP802.1QEthN:1 ATM PWE3 封装AAL2lub UPATM - - - -MPLSPWE3网络接口网络接口 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION80 08 8TDM Connectivity & Throughput测试测试验证验证TDM信号的连通性信号的连通性 和和 吞吐量吞吐量业务及误码测试业务及误码测试 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION9客户端客户端Ethernet 测试测试EthernetOC-48/192Loop Command测试是从switch 到客户端贯彻整个运营商网络. 在客户端network interface device (NID)处.步骤 #1 连接性 执行一层 BERT测试步骤 #2 连接性/各种RFC2544 测试二层以太网流量远端支持业务环回步骤 #3 - QoS 时延, 丢帧, 失序帧, 丢帧, 抖动等Traffic PathEthernet 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION10MPLS-TP Section Test/Ethernet Link Test10GEAggregation Network(4 - 6 nodes)1GEAccess Network(20 nodes)1GEAccess Network(20 nodes)Node BRNCNode BNode BNode BNode BNode BNode BNode BNode B20 Aggregation Networks150 Access NetworksFEFEFEFEFEFEFEFEFEGEGEGEGE6000A6000AEdge NEEdge NEEdge NEEdge NECore NECore NECore NECore NEUNIUNIUNIUNINNINNINNIReplace any core NEs network port with one 6000A inside the MPLS-TP networkTest against an adjacent edge or core NE 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION11连接性测试连接性测试端到端端到端 产生和接受 IEEE 802.3 以太网帧环回测试环回测试 使用远端测试单体在二层及以上网络实现环回 以太网以太网连接性测试连接性测试PTNPTNPTNMEP 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION12RFC2544 一致性测试一致性测试被测链路满足 RFC2544Throughput TestLatency TestFrame Loss Rate TestBack to Back Frames Test以太网以太网RFC2544EthernetLoop CommandTraffic PathEthernet 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION13 Throughput & Packet LossCore IP Network/GatewayThree Packets InTwo Packets OutHomeAffected by Buffer overruns in network components Network Congestion and bad network elementsCustomer Complaints VoIP - packet clicks and fuzziness or even dropped calls Data - customer complains of extreme load timesRFCAffected by The maximum bandwidth link set up between two locations Network Overhead Whether network elements are setup properly Customer Complaints VoIP - customer can only place one call at a time Data - during peak hours (9-11am, 2-4pm) the internet slows downThroughputPacket Loss 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION14BERT 与包的错误率区别与包的错误率区别11101111010111110100001000001111111010111110111101011111010000100000111111101011Bit errors Throughput4 (10%)(0%)10 (25%)(75%) Ethernet frames/packets are dropped if they contain a single error A larger bit error rate may be more desirable than a lower one Assuming 1518 byte packets, a BER of 8e-5 can lead to a 99.99% throughput or a 0% throughput rate depending on how the errors are distributed!40 bit sequence of 4 packetsBottom Line is a Packet Error Rate is key in the IP world, not the BER rate like we are all used toRFC 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION15Round Trip Time (Latency) 网络环路延时网络环路延时 Affected by Priority queuing and traffic shaping problems Network Congestion Length and type of Link (satellite or terrestrial)Customer Complaints For VoIP when the customer complains of Over talk and echo For Data if the customer complains of extreme load times for web pagesDetailed Comments Key time to test round trip time is when throughput is being maxed on the link, to ensure that buffering and live traffic is not going to drastically delay the RTT Since ping is done using IGMP messages and routers generally handle these messages differently than regular traffic, pinging may not get an accurate latency measurement1433214TIMESTAMPTIMESTAMPTIMESTAMPTIMESTAMPTIMESTAMPTIMESTAMPTIMESTAMP2TIMESTAMPRFC 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION16Round Trip Delay测试步骤测试步骤 Loop back the far end Transmit traffic at provisioned bandwidth Verify no traffic is dropped Verify round trip delay meets expectations 1433214TIMESTAMPTIMESTAMPTIMESTAMPTIMESTAMPTIMESTAMPTIMESTAMPTIMESTAMP2TIMESTAMPRound Trip Delay测试测试 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION17Packets Equally spacedVariation in packet spacing (jitter)Affected by Variation in network traffic levels Network Congestion Priority queuing and traffic shaping problems in combined VoIP / data networksCustomer Complaints For VoIP packet clicking and popping noises to the end user For VoIP garbled speechDetailed Comments Note Jitter is important for testing in networks that use VoIP or IPTVRFC 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION18Ethernet Application Highlight QoS - Packet Jitter标准标准 RFC 1889如何定义如何定义:Inter-arrival jitter (J) is defined to be the mean deviation (smoothed absolute value) of the difference, D, in packet spacing D(i,j)=(Rj-Ri)-(Sj-Si)=(Rj-Sj)-(Ri-Si) D = difference in packet spacing Si is the timestamp from packet i Ri is the time of arrival of packet IJ=J+(|D(i-1,i)|-J)/16 J = Inter-arrival Jitter Takes every sample, divides it by 16 and adds it to the overall Jitter measurement.Packet #IPacket #JRx = Arrival timeD(i,j) = (Rj-Sj)-( Ri-Si)Sx = Departure timeInter-arrival Jitter (J) =J+(|D(i-1,i)|-J)/16 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION19分析分析 3 Packet Jitter Types per flow !Parallel Jitter measurements for each filtered flow Instantaneous Jitter points to the dynamic of packet jitterRFC 3550 Jitter (former RFC 1889) shows low-pass filtered jitterAbsolute Jitter points to the required buffer sizeCounting hits above threshold helps customers observing their limits Departure-tdiArrival-taiDeparture-td2MACOHMACOHDeparture-td1MACOHDeparture-td2MACOHDeparture-td1Instantaneous Jitter = Delay difference of adjacent packetsAbsolute Jitter = Maximum Transfer Delay difference 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION20v MPLS/VPLS/MPLS-TP技术需求技术需求产品功能产品功能v MPLS-TP/VPLS QoS test:v Throughput, delay, jitterv Service transparencyCustomer 1 Site ACustomer 2 Site ACustomer 2 Site BCustomer 1 Site BCECECECEPEPEPTNPTNPTNPTNT2NNI-NNI InterfaceNNI-NNI Interface协议流量测试及QoS测试 - - - -lub UP802.1QMPLSPWE3Eth - - - -lub UP802.1QMPLSPWE3Eth - - - -lub UP802.1QMPLSPWE3Ethlub UP802.1QEthlub UP802.1QPWE3EthUNI-NNI InterfaceNNI-UNI InterfaceNode BNode BNode BNode BNode BNode B 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION21QoS测试:Client Ethernet Service End-to-End Test10GEAggregation Network(4 - 6 nodes)1GEAccess Network(20 nodes)1GEAccess Network(20 nodes)Node BRNCNode BNode BNode BNode BNode BNode BNode BNode B20 Aggregation Networks150 Access NetworksFEFEFEFEFEFEFEFEFEGEGEGEGE6000A6000AUNIUNIEdge NEEdge NEEdge NECore NECore NECore NECore NEEdge NEConnect one 6000A to an edge NEs user port at the BS site Connect another 6000A to an edge NEs user port at the RNC site 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION22QoS测试:MPLS-TP PW/LSP End-to-End Test10GEAggregation Network(4 - 6 nodes)1GEAccess Network(20 nodes)1GEAccess Network(20 nodes)Node BRNCNode BNode BNode BNode BNode BNode BNode BNode B20 Aggregation Networks150 Access NetworksFEFEFEFEFEFEFEFEFEGEGEGEGE6000A6000ANNINNINNINNIEdge NEEdge NEEdge NEEdge NECore NECore NECore NECore NEUNIUNIUNIUNINNIReplace an edge NEs network port with one 6000A at the BS site or a core NEs network port anywhere inside the MPLS-TP network Replace an edge NEs network port with another 6000A at the RNC site or a core NEs network port anywhere inside the MPLS-TP network 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION23协议流量测试及协议流量测试及QoS测试测试Stream 1: 288 bytes, 75 kbps, Priority 6Stream 2: 288 bytes, 15 Mbps, Priority 6Stream 3: Random, 49 Mbps, Priority 0Stream 4: Random, Burst 50%, 500 Frames, Priority 0 Rate limit: 60%RTD for Stream 3 clearly moreNo Loss at Stream 1 and 2Stream 1 shows more jitter as Stream 2 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION24协议流量测试及协议流量测试及QoS测试流程测试流程Traditional L2/3 Turn-Up-Connectivity-Throughput -RFC2544Class of Service Verification-Voice, Video & Data CoSHigher Layer Analysis-TCP/UDP,FTP, HTTP-Capture/Decode 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION25MPLS-TP以太网业务承载及测试结果以太网业务承载及测试结果 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION26 vCarry Data and Control Plane frames transparently技术需求技术需求产品功能产品功能 v Generate and verify Control Frames (xSTP, GVRP, etc)Layer 2 透明传输测试透明传输测试Management ProtocolDescriptionSTPSpanning TreeRSTPRapid Spanning TreeMSTPMultiple Spanning TreeLLDPLink Layer Discovery GMRPGeneric Multicast RegistrationGVRPGeneric VLAN RegistrationCDPCisco DiscoveryVTPVLAN TrunkingUser ConfigurableSpecial CasesCDPSTPVTPGVRPVTPGVRPCDPSTPLocation B!A GVRP frame is dropped by switch!Ethernet ForwardingInterconnectCarrierEthernet ForwardingEthernet ForwardingEth/IPCell SiteMTSOPTN 网络开通及运维测试网络开通及运维测试2. PTN OAM测试 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION28KPIs for Ethernet BackhaulFrame Delay (FD)DMM Round Trip1DM One Way delay Measurement (Optional)Frame Delay Variation (FDV)IETF / MEF RFC 3393 Inter-Packet Delay VariationITU Typically considered JitterFrame Loss RateSampled CMMReal LMM/LMRThroughputRFC-2544 / ETH-TSTOffered and DeliveredAvailabilityBased on Frame Loss Ratio PercentageITU Sliding WindowMEF/IEEE Static WindowPECENNIPECENNIITU Y.1731 & IEEE 802.1agCustomer OAMProvider OAMOperator OAM 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION29PTN OAM 功能功能lOAM based on hardwarelPerformance and alarm managementlSimilar to SDH: LOS，RDI，AISlEnd to end PMlOAM level：Ethernet，T-MPLS/MPLS-TP IEEE 802.3ahLink OAMLink OAMITU Y.1731 OAM Connection layer OAMFEPTNIEEE 802.1ag/ITU Y.1731Service OAM（UNI to UNI）LSPPWCECEPTNPTNT-MPLS/MPLS-TP OAM 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION30PTN OAM 提供的功能提供的功能类型功能SectionOAMLSP OAMPW OAM业务 OAM链路 OAM主动故障管理连通性验证告警抑制远端故障指示锁定指示客户信号故障 链路事件性能监测丢包测量按需故障管理,定位环回监测踪迹监视性能监测丢包测量时延测量其他保护自动保护倒换管理管理控制通道信令信令控制通道同步同步状态信息 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION31Client Ethernet OAM Test10GEAggregation Network(4 - 6 nodes)1GEAccess Network(20 nodes)1GEAccess Network(20 nodes)Node BRNCNode BNode BNode BNode BNode BNode BNode BNode B20 Aggregation Networks150 Access NetworksFEFEFEFEFEFEFEFEFEGEGEGEGE6000A6000AUNIUNIEdge NEEdge NEEdge NECore NECore NECore NECore NEEdge NEConnect one 6000A to an edge NEs user port at the BS site Connect another 6000A to an edge NEs user port at the RNC site 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION32接入链路的以太网接入链路的以太网OAM测试测试 测试用户侧设备CE到PTN边缘设备PE之间的接入链路以太网OAM （基于IEEE 802.3ah） 以太网OAM远端发现功能测试 端口OAM发现周期功能是否正常 端口OAM超时范围功能 以太网OAM远端环回功能测试 远端环回超时时间测试 远端环回下，本地和远端的数据桢转发测试 变量请求MIB查询功能测试 以太网OAM链路监测功能测试 错误符合，错误帧的监测 故障指示，告警的处理 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION33PTN 网络内的以太网业务网络内的以太网业务OAM 功能测试功能测试 基于IEEE 802.1ag/ITU.T Y.1731 以太网OAM故障管理测试 产生并监控Continuity Check Messages LB, LT, TEST测试 监控 Passively, Actively 或产生 Alarms (AIS, RDI，LCK) 以太网OAM性能监视功能测试 帧丢失，桢时延，时延抖动，吞吐量 以太网OAM压力测试CCMCCMLocation ALocation BSend periodic CCMsAm I receiving all CCMs?After 3 missed messages Loss of connectivity alarm displayed! 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION34PTN 网络内网络内 T-MPLS OAM 功能测试功能测试 基于ITU.T G.8114/Y.1373.OAM功能分为告警相关的OAM，性能相关的OAM以及其他的OAM。一般分为TMC、TMP、TMS和接入链路层面 提供与故障管理相关的OAM功能，实现了网络故障的自动检测、查验、故障定位和通知的功能 在网络端口、节点或链路故障时，通过连续性检测，快速检测故障并触发保护 在故障定位时，通过环回检测，准确定位到故障端口、节点或链路 提供与性能监视相关的OAM功能，实现了网络性能的在线测量和性能上报功能 在网络性能发生劣化时，通过对丢包率和时延等性能指标进行检测，实现对网络运行质量的监控，并触发保护 提供告警和告警抑制相关的OAM功能 告警机制可以保证在网络故障时产生告警，从而及时、有效关联到故障影响的业务 网络底层故障会导致大量的上层故障，上游故障会导致大量的下游故障，AIS/FDI等告警抑制可以屏蔽无效告警 提供用于日常维护的OAM功能，包括环回、锁定等操作，为操作人员在日常网络检查中提供了更为方便的维护操作手段。 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION35MPLS-TP Layered OAMGALACHOAMGALACHOAMLSPPWACHOAMLSP 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION36Single ACH Channel Type 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1| TC |1| TTL | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |0 0 0 1|0 0 0 0|0 0 0 0 0 0 0 0| Y.1731 Channel Type (0 x8902) | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | MEL | Version | OpCode | Flags | TLV Offset | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | | + + | OAM function specific fields | | (Y.1731 based) | + + : . : | | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Y.1731 PDU within a single ACH Channel Type ACHOAMGAL 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION37MPLS-TP Section Test/Ethernet Link Test10GEAggregation Network(4 - 6 nodes)1GEAccess Network(20 nodes)1GEAccess Network(20 nodes)Node BRNCNode BNode BNode BNode BNode BNode BNode BNode B20 Aggregation Networks150 Access NetworksFEFEFEFEFEFEFEFEFEGEGEGEGE6000A6000AEdge NEEdge NEEdge NEEdge NECore NECore NECore NECore NEUNIUNIUNIUNINNINNINNIGALACHOAMReplace any core NEs network port with one 6000A inside the MPLS-TP networkTest against an adjacent edge or core NE 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION38MPLS-TP PW/LSP End-to-End Test10GEAggregation Network(4 - 6 nodes)1GEAccess Network(20 nodes)1GEAccess Network(20 nodes)Node BRNCNode BNode BNode BNode BNode BNode BNode BNode B20 Aggregation Networks150 Access NetworksFEFEFEFEFEFEFEFEFEGEGEGEGE6000A6000ANNINNINNINNIEdge NEEdge NEEdge NEEdge NECore NECore NECore NECore NEUNIUNIUNIUNINNIGALACHOAMLSPGALACHOAMLSPPWACHOAMLSPPWACHOAMLSPReplace an edge NEs network port with one 6000A at the BS site or a core NEs network port anywhere inside the MPLS-TP network Replace an edge NEs network port with another 6000A at the RNC site or a core NEs network port anywhere inside the MPLS-TP network 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION39MPLS-TP OAM 连续性检查设置及测试结果连续性检查设置及测试结果 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION40MPLS-TP OAM 告警指示信号设置及测试结果告警指示信号设置及测试结果 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION41MPLS-TP OAM环回设置环回设置 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION42MPLS-TP OAM 隧道层隧道层/段层段层/PW层设置层设置 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION43MPLS-TP OAM可设置可设置ACH隧道类型隧道类型PTN 网络开通及运维测试网络开通及运维测试3. PTN 保护倒换测试 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION45PTN的保护机制需求的保护机制需求 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION46PTN网络端到端保护恢复时间测试网络端到端保护恢复时间测试-线性保护测试线性保护测试PTNPTNPTNMEP1+1保护保护工作路径工作路径保护路径保护路径PTNPTNPTNMEP1:1保护保护工作路径工作路径保护路径保护路径 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION47PTN网络端到端保护恢复时间测试网络端到端保护恢复时间测试-线性保护测试线性保护测试PTNPTNPTNMEP1+1 SNC/S保保护护工作路径工作路径保护路径保护路径PTNPTNPTNMEP1:1 SNC/S保保护护工作路径工作路径保护路径保护路径ADDDropADDDrop 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION48PTN网络端到端保护恢复时间测试网络端到端保护恢复时间测试-环网保护测试环网保护测试PTNPTNPTNMEPWrapping保护保护工作路径工作路径保护路径保护路径 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION49PTN网络端到端保护恢复时间测试网络端到端保护恢复时间测试-环网保护测试环网保护测试PTNPTNPTNMEPSteering保护保护工作路径工作路径保护路径保护路径 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION50MSPP手持与系统验证方案相结合手持与系统验证方案相结合EthernetCell SiteMSCBackhaul OperatorVoiceSwitchCore NetworkData NetworkCell SiteCell Site典型操作Tech goes to a cell siteQT-600 is placed in wait for loopback modeTech Runs an abbreviated RFC-2544 test with a couple of frame size and only throughput testing to check for connectivity 15minute timeframeTech installs NIDTech notifies NOC that there is connectivity.Full RFC-2544 test is run to NIDNOTE 1: This could be run from both directions: Portable to QT or QT to PortableNOTE 2 : A quick test should be run on each configured VLAN特点Keeps Techs moving and working Sites turned up fasterAllows for full testing of EVC configuration (QOS, CIR, CBS, EIR, EBS, PIR, Frame Delay, Frame Delay Variation, and Frame Loss,NetCompleteNetAnalyst Test OSRFC 2544Ping, TracerouteLoopback TestingNetmonCell SitePTN网络业务性能监控及运维测试网络业务性能监控及运维测试 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION52性能监控的目的性能监控的目的 同同TDMTDM业务一样业务一样, , 以太网业务性能也需要以太网业务性能也需要实时地实施监控实时地实施监控可以迅速定位业务劣化故障.保证可靠地以太网等级服务得到实时监控. 跨多个设备商设备主动地进行跨多个设备商设备主动地进行SLASLA管理管理生成具有工业标准的PM和SLA报告,修正相应的 SLA （业务等级许可）折扣. 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION53Service Level Agreements (SLAs) 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION54全业务网络监测及解码分析全业务网络监测及解码分析 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION55业务监测解码及故障分析业务监测解码及故障分析 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION56业务监测解码及故障分析专家系统业务监测解码及故障分析专家系统 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION57系统网络监控方案系统网络监控方案Performance MetricsProbeembeddedSOAMMEPWorst OffendersSLA VerificationNetwork AvailabilityPer-Link PerformanceNetCompleteNetOptimize ReportingNetAnalyst Test OSRFC 2544Ping, TracerouteLoopback TestingNetmonProbe Active Y.1731 test probe 24/7 PM CCM 100 PM sessions Low costEtherNID Active PM Probe Active RFC2544 Test Probe System controlled Multiple active sessionsQT600 Turn-up & Troubleshooting Demarcation Y.1731, 802.1AG, & 802.3AH L1 L4 loopbacks Lowest latency & jitterEtherNID - NID12Long-term Solution: Embedded service OAM MEPInterim Solution: Out-of-band Service OAM via synthetic traffic12 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION58SLA 监控报告监控报告Drill down to SLA Profile ReportFlexible SLA Criteria Quick Visual of SLA PerformanceDrill Down to Flow History Indicates 1 way or 2 way measurements in useThroughput, Frame Loss, Frame Delay & Frame Delay VariationColor-coded results easily identifies issues 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION59Example View -近似实时近似实时Historical - Last 3 hrs up to Last 3 days Near Real-time Polls every 10 sIndicates 1 way or 2 way measurements in useColor-coded results easily identifies issuesFlow Details 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION60单站点报告单站点报告日常故障定位与隔离测试案例日常故障定位与隔离测试案例 2010 JDSU. All rights reserved. JDSU CONFIDENTIAL & PROPRIETARY INFORMATION62NetAnalyst