© 2015 IDA Singapore. All Rights Reserved.Sensor Networks for Home (TR40)Vendors’ Briefing9 Oct 2015RESTRICTEDRESTRICTED© 2015 IDA Singapore.All Rights Reserved.2AgendaDesired outcomes -interoperable system of systemsIoT Technical Reference Framework for Smart Nation (Interoperability)Six aspects of interface for interoperability Functional ModelInterface viewRecommended interface standards (TR40) Recommended interface standards (TR-IS)Application of TR40RESTRICTED© 2015 IDA Singapore.All Rights Reserved.3Desired outcomes –interoperable system of systemsStandard-based System of systemsAgencies CitizensResearchers IndustriesDevelopers Sharing Sensing Data and InformationSmart Meters Flood SensorsCCTVs CarsParticipatory SensingSharing Networks and Instrumentations...RESTRICTED© 2015 IDA Singapore.All Rights Reserved.Technical References forsensor networksT e c h n i c a l R e f e r e n c e s f o r I n t e r n e t o f T h i n g s (F o u n d a t i o n a l )Technical References forInternet of ThingsSensor networksInternet of ThingsApplicationsBoundary of domainIoT Technical Reference Framework for Smart Nation(Interoperability)Technical References forInternet of Things (Domain-specific)TR40RESTRICTED© 2015 IDA Singapore.All Rights Reserved.5Six aspects of interface for interoperabilityMessagingService MethodCommunicationData FormatInformationKnowledge“Knowledge ” refers to correlated information which communicates better insight based on different types of data.“Information ” refers to contextualised, categorised, calculated and condensed data with relevance and purpose.“Service Method ” refers to the software methods (functions) for data exchange and sensor control.“Data Format ” refers to the structures and formats of serialised data for exchange between components.“Messaging ” refers to the handshaking mechanisms between the two components.“Communication ” is concerned about the underlying communication channels between two or more components.Conceptually, a standard interface can be considered in six aspects as shown below.Technical InteroperabilitySyntactic InteroperabilitySemantic InteroperabilityTR40RESTRICTED© 2015 IDA Singapore.All Rights Reserved.6Functional ModelAn abstract framework for understanding the main functionality groups and theirinteractions. The framework defines the common semantics of the main functionalities and is used to develop functional views. It mirrors the typical service interaction flow.Application LayerService Support and Application SupportLayerNetwork LayerDevice LayerM a n a g e m e n t C a p a b i l i t i e sSecurity CapabilitiesRESTRICTED© 2015 IDA Singapore.All Rights Reserved.7Interface viewMessaging Service Method Data Format CommunicationInformation Knowledge Legend:RESTRICTED© 2015 IDA Singapore.All Rights Reserved.8Recommended interface standards (TR40)MessagingService MethodCommunicationData Format Information Knowledge •RESTful (HTTP/HTTPS, CoAP, etc.) •Pub-sub (MQTT, XMPP, DDS)•XML, JSON•Open APIs (SensorThings API)•WSN (IEEE 802.11, IEEE 802.15.4, Bluetooth, Cellular)•Wired (Coaxial, Fibre, PLC, Wired Ethernet)Note: The interface standards listed are not exhaustive.TR = Technical ReferenceL1C, L2C, L3CTechnical InteroperabilitySyntactic InteroperabilitySemantic InteroperabilityRESTRICTED© 2015 IDA Singapore.All Rights Reserved.9Recommended interface standards (TR-IS)MessagingService MethodCommunicationData Format Information Knowledge •RESTful (HTTP/HTTPS, CoAP, etc.) •Pub-sub (MQTT, XMPP, DDS)•XML, JSON•Open APIs (SensorThings API)•WSN (IEEE 802.11, IEEE 802.15.4, Bluetooth, Cellular)•Wired (Coaxial, Fibre, PLC, Wired Ethernet) #: IP-basedNote: The interface standards listed are not exhaustive.TR = Technical ReferenceL1C, L2CW3C XlinkOGC O&M, W3C RDFL3CCoRE Link FormatTechnical InteroperabilitySyntactic InteroperabilitySemantic InteroperabilityRESTRICTED© 2015 IDA Singapore.All Rights Reserved.10Messaging Service Methods Data Formats Network CommsMQTT “Open”JSON 802.15.4XMPP UPnP JSON LTEKEY :Sensor devicesHome sensor network gatewayAccess gatewayMQTT“Open”JSON 802.11Backhaul + SNIPMQTT/HTTPSOGC SWE XMLEthernetHospital systemConsumer & mobiledevicesMQTT/HTTPS “Open”JSON Carrier EthernetApplication of TR40© 2015 IDA Singapore. All Rights Reserved.Thank youRESTRICTED。