HFC Network Monitoring System - Home - C-COR … · HFC Network Monitoring System ... Analytical...
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Transcript of HFC Network Monitoring System - Home - C-COR … · HFC Network Monitoring System ... Analytical...
SystemdescriptionAnalyticalmonitoringsystemforHFCnetworkelements:
– CMTSconcentrators– MACdomains,CableDownstreamandUpstreamInterfaces– cablemodems
• Real-timealerting• Real-timeCPEmonitoringandtroubleshooting• Thesystemcollectsandshowshistoricaldataonmonitored
elementsfromHFCplant• Allowsoperatorstoproactivelydetectserviceimpairments
andtrends
Businessvalue• ImproveCustomerExperiencebyrefiningnetworkquality• ReduceMTTRthroughreductionoftimespentsearchingof
networkissues• ReducetroublecallsandincreasesubscriberQualityof
Experiencebyfindingandresolvingplantproblemsbeforeserviceisaffected
SystemGenesis• Long-termexperienceinHFCInfrastructuremanagementand
monitoring• Meetthemarketdemands
– Complexity– Highperformance– Multiplatform(supportforallHFCvendors)– Author’s algorithmsforprocessingcollecteddata– Monitoringandmanagingthroughownindependentsystem– Uniquefunctionalities– Intuitivedatapresentation
Systemfeatures• Highperformanceandscalability:Thesystemistestedonthe
infrastructure,whichcontainsabout1000000cablemodems• Highsystemstabilityandavailability• Systemergonomicsiscreatedbasedonlong-termexperience
withmajorcableoperators• Canbeusedforbandwidthplanningandoverbooking• ThesystemistestedwithCMTScontrollersmanufacturedby:
Cisco,Arris,CASA• ThesystemcanbeintegratedwithexternalCRM
SystemarchitectureThesystemhasmodulararchitectureandit’shighlyefficient.Thesystemconsistsofthefollowingcomponents:• Application• Datacollectors• Primarydatabase• Historicaldatadatabase
ImplementationmodelsWeperform2implementationmodels:• CLOUD-BASEDmodel
– Proposedmainlyforsmallandmedium-sizedcableoperators– VPNdirectchannelissetbetweenourCloudandcustomer
managementnetwork
• ON-PREMISEmodel– Proposedmainlyformediumandlargecableoperators– on-siteDataCenter
ApplicationareasThesysteminatypicalenvironmentisimplementedforthefollowinggroupsofusers:• HelpDesk/CallCenter• Provider’stechnicalservice,technicalteaminthefield• NOC(NetworkOperationCenter)• InfrastructureandHFCfacilityadministrators• MarketingandPlanning
ApplicationareasHelpDesk
HelpDesk staffcanusefeaturesthatallowthemtochecktheoperatingparametersofthecustomer’scablemodem:
• DownstreamPower,DownstreamSNR• UpstreamPower,UpstreamSNR• Errorcorrectiononthemodem(SigCorr,SigUncorr)• Uploadedanddownloadeddatavolume• Hosts(CPEs)• Otherfunctionsdependentonoperatorrequirements
ApplicationareasHelpDesk
HelpDesk staffcanusefeaturesthatallowthemto:• Performbasicoperationsonthemodem,suchas:
– modemrestart– ping– flowverification– errorremoval
• Performexpandedoperationsonthemodem– Wi-Fimanagement– ProvidingMTAinformation
• ConnectiontoCRMgivespossibilitytocombinecustomerdatawithparticularcablemodem.Thesystemcanfindthemodembycustomer’sdatae.g.contractnumber
ApplicationareasTechnicalteaminthefield
TheSystemallowsuserstocheckcablenetworkperformanceandmodemsparameters.Alsoitwasdesignedtoworkonmobiledevicestohelptechniciansinthefield.
Fortechnicalteaminthefieldthefollowinginformationareprovided:• UpstreamSNR(alsoonlinereadings),DownstreamSNR,
UpstreamPower,DownstreamPower• Errorcorrectiononthecableinterfaces• RegisteredmodemsnumberperinterfaceandperCMTS
ApplicationareasNOC– NetworkOperationCenter
NOCmoduleprovidesallstatisticdata.Themostimportantare:• Providingalarmsafterexceedingvaluesbeyondtheestablished
thresholds.ThresholdswereestablishedbasedonDoCSiS/HFCnetworkoperationstandards
• UpstreamandDownstreamstatistics/parameters• MAC-Domainmovementandsaturation,Downstreamand
Upstream• ForMAC-Domainalsoanaveragerateperphysicalinterfaceis
calculated• Numberofregisteredmodems• ErrorscorrectionontheUpstreaminterfaces• InterfaceswherenumberofCMswitherrorsexceeds20%
ApplicationareasMarketingandPlanning
Thesystempresentsdatathatcanbealsousedforinvestmentplanning.Particularly,thesystem:• ShowsinternetplansforallcustomersalsodividedintoCMTS
devices• Calculatestheaverageflowrateforeachplandividedintothe
CMTSorgloballyacrossanoperator'snetwork• ShowsNumberofdownloaded/uploadeddataperuser/cable
interface• Itisanidealtoolforforecastingbandwidth(overbooking)• HeavyUsers– showcustomerswhogeneratesmostbandwidth
usagerelativetowholetraffic• Trafficstatistics– showscustomersexeeding 80%ofbandwitdh
SystemdesignSystemisbuiltof6mainmodules:• DashboardModule• CMTSModule• HFCModemModule• StatisticsModule• AlertModule• SearchModule
SystemDesignDashboardModule
ThismoduleshowsbasicinformationaboutindividualCMTSortheentireHFCnetworkingraphicalforms:• SNRStatisticsforCMTSinterfacesandmodems• NumberofCMswithincorrectparameters• NumberofCMsDoCSiS2.0vs3.0(3.1)• Upstream,downstreamandMACdomainsaturation• NumberofCMsloggedoneachCMTS/interface• Cableinterfaceswiththelargesterrorcorrection• ActiveCMTSes• Top10Internetpackages,whichgeneratethelargesttraffic
SystemDesignDashboardModule
SystemDesignCMTSModule
CMTSModulepresentsinformationaboutthedevice:• CMTSsoftwareversion,uptime• ListofcableinterfacesandMAC-Domainswithdependencies• Parametersofallcableinterface• Alistofcablemodemswithinformationaboutthecurrent
firmwareandcableinterfaces,onwhichmodemsarelogged• ListofCMswithincorrectparameters
SystemDesignCMTSModule
SystemDesignCMTSModule
CMlistfromspecificinterface
SystemDesignCMTSModule
CMswithincorrectparameters
SystemDesignCMTSModule
onlineCMcheckmodule
allowstoqueryondemandallCMonspecificcableinterface
SystemDesignCMTSModule
GoogleMapsCMidentification.
SystemDesignCMTSModule
Upstreamthroughput,SNR,upstreamuse,numberofmodems
SystemDesignCablemodemmodule
• OnlineReadingModulepresentsthecurrentstatusofcablemodem
• Eachcablemodemisundermonitoringformainoperatingparameters.Datacollectionfrequencyismatchedtocustomerrequirements.
• Eachcablemodemcanbeaddedbytheoperatorforindividualmonitoring.Eachoperatorhasitsownmodemslistwhicharecurrentlymonitored.
SystemDesignCablemodemmodule
SystemDesignCablemodemmodule
Cablemodemparametersdiagrams
SystemDesignStatisticModule
StatisticsModulecontainsinformationabout:• Downloaded/Uploaded databyeachcablemodem,dividedintoCMTSand
MAC-Domains• Averageflowrateforindividualinternetplans,CMs• Firmwareversions(withmodemsresetfunction)• NumberofloggedCMs• CMs’models• Overbookingforeachinternetplan/totaltrafficperplan/CMTS• CMsGaussparametersdistribution• HeaveUsers• Hourly user traffic statistics• DoCSiS 3.0CMsworkinginD2.0mode• Cablemodemparametersstatistics– gathereveryday• MAC-Domain interfaces bandwidth overbooking
SystemDesignStatisticModule
Cablemodemtraffichistory
SystemDesignStatisticModule
Trafficscheduleforrespectiveinternetplan
SystemDesignStatisticModule Overbookingandtrafficsummary
SystemDesignStatisticModule
Top100statistic,firmwareversioninventory
SystemDesignStatisticModule
Gaussparametersdistribution
SystemDesignStatisticModule
Cablemodemparameters
SystemDesignStatisticModule
Cablemodemparameters
SystemDesignAlertModule
AlertModuleshowsreal-timeinformationabout:• SNRUpstreaminterfaces• trafficvolumeonMAC-Domainsandupstream/downstream
interfaces,togetherwithasaturationforecast• InterfacesonwhichnumberofloggedCMsischanging
abnormally• Errorscorrectiononupstreaminterfaces• Interfaceswithlargeamountofmodemswitherrors
Theperformancelevelshavebeenselectedwith„Bestpractice”knowledge.
SystemDesignAlertModule
Downstreaminterfaces,MAC-Domainsload
SystemDesignUniversalSearchModule
CMsearch
SystemDesignAlertModule
• Asinglecollectorisabletoquery500to1000modemspersecondcollectingcompletesetdatadependingoncustomers’network
• Thesystemcaneasilygather,processandstore50milliondatarecordspertwenty-four-hour(testedonactualcustomer)
• Thesystemhasverygoodscalability.
