draft-geng-iiot-edge-computing-problem-statement-00

Problem Statement of Edge Computing beyond Access Network for Industrial IoT

LiangGeng,ChinaMobileMinguiZhang,MikeMcBride(Presenter),BingLiu,HuaweiTechnologies

Background

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• Focus on use cases and problem statement, related work in other SDOs and gap analysis.

• Create research discussion and standardization work for:– Protocol for east-west comm between multiple BEC gateways– Common API across various BEC platform.– User mobility: Edge to Edge– Edge device config/mgmt (both device-level and virtual-resource-level)– Light-weight virtualization technologies (container/unikernel)– Local edge security

• draft-geng-iiot-edge-computing-problem-statement-00

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Metro

Access Network

5G-CPOrch. CtrollerIMS EPC

BRAS-CP

5G-CPBRAS-CP CDN

Cloudification

Edgification

Backbone

Regional DC

AP

Core DC

5G-UP CDN MEC APP

Pre-processData Collect.Data Encryp.

Vertical APP Access CtrlReal-time Ctrl

Beyond Edge Computing

Manufacturing Residential Health Care EnergyMining RetailLogisticsPublic Sector

Local Network Traffic OffloadInference

Real-time and low latencyDedicated computing

Diversity of hardwareDecentralized deployment

Resource PoolingClustered Computing

Common HardwareCentralized Deployment

WhatisBeyondEdgeComputing(BEC)

BECtakescareofthefirsthopwheretheserviceofaparticularindustrialverticalconnectstothenetwork

CapabilitiesofBEC(1/2)

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• HeterogeneousIoT devicecompatibilityVariousIoT interfaceincludingZigbee,WIFI,tensofFieldBusesandetc.• LowanddeterministicservicelatencyVariousmission-criticalservices(Motioncontroletc.)• Datapre-processingandtrafficoffloadingReduceWANbandwidthandincreasetheeffectivenessofdata• SystemresourceisolationSupportmulti-tenancysituation– whichisanormforIoT ecosystem• OfflineprocessingRobustnesseveninunlikelycircumstances

CapabilitiesofBEC(2/2)

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• End-to-endsecuritySecurityprovidedrightfromcustomerpremises• DistributedartificialintelligenceMakinguseofGPU/TPUsforAIapplications(Graphic/Inferences)• Real-timeoperationReal-timeoperatingsystem(i.e.IndustrialLinux)forspontaneousevents• UnifiedAPIformulti-ecosystemedgeapplicationAPItoexposeSoftware/Hardwarecapabilitiesforapplicationecosystem• ServiceisolationfornetworkslicingMappingservicestospecificnetworksliceforE2Eserviceguarantee

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ArchitectureBECManagementPlatform• Applicationmanagement(Lifecycle,verification,publishing,

Devops etc.)• Device-levelmanagement+Systemresourcemanagement• SDNplatform–controlandoptimizationforBECnetwork

Interfaces• Managementinterface– Lightweightinterfacefordevice

configuration/monitoringandvirtualresourcemanagement• Datainterface– Unifiedbutflexibleforinteroperationin

dataplane(i.e.MQTT,OPC-UAandothers)DistributedBECplatform• Lightweightvirtualizationtechnologyforresourceisolation

andfastapplicationdeployment• Heterogeneousbutmodularizedsouthboundinterface• ComprehensiveandunifiedAPIforcapabilityexposure

Example of E2E BEC system

Pre-analysis of local data Edge and Cloud Collaboration

• Data aggregation: industrial data analysis• Data filtering: saving WAN traffic• Data security: encryption

• Predix and apps at edge• Edge: real-time and reliability• Could: unified policies and Big Data

App1

Linux container

PredixMachine

BEC GatewayEdge computing Predix Cloud

RS232

RS485

CAN

FXS

...

App n

Flexible industrial access

• Industry-grade design• 17+ industrial interfaces• Voice, Wireless, VPN in one box

Usecase-ConnectedElevatorTestbed• MarketSegment

• Buildings&Facilities:Elevators• Thistestbed mayalsobeapplicabletootherverticalssuchas

• MachineTools• EngineeringMachines• IndustrialWashers

• Location• TheOpenLabinNanjing,China

8

…Machine

ToolElevatorsMachine

ToolsEngineeringMachinery

IndustrialWashers

OpenLab

GapAnalysisinIETF• MultipleVirtualizationTechnologiesCoexistence/CoordinationInterface/Modelrequiredforselectionbetweenvariousvirtualizationtechnologiesforspecificverticalusecases/requirements• LightweightDevice-levelmanagementandvirtualresourceMassivenumberofisolatedresourcepoolneedmuchlighterinterfaceformanagement– Netconf+YANG forVIM?• FrameworkandAPIsformulti-ecosystemsUnifiedandmodularizedAPIsacrossmultiplecompilingenvironmentformaximumflexibilityandfriendlyecosystem• RuntimeUpdatesEnergyefficientsoftware/firmwareupdatewithoutservicebreak-down

Conclusion

• BECmethodology– Distributesasmuchasyoucan,centralizedonlyifyoumust(i.e.massivecomputing/storage).

• Researchinterest– verypopulartopicacrosstheindustry(IIC,ECC,EdgeXFoundry,OpenFog,OPENIL,RIOTandetc.)

• IETFandIRTF– ArchitectureandframeworkforRG,interface/APIdeliverablesmightbeforWG(seeSUITBoF)

• Furtherdiscussion@BarBoF Thursday20:00-21:30Hullet

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