Arrowhead Protocol Translation IPSO Protocol committee ... · Arrowhead Protocol Translation IPSO...
Transcript of Arrowhead Protocol Translation IPSO Protocol committee ... · Arrowhead Protocol Translation IPSO...
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Arrowhead Protocol Translation
IPSO Protocol committee March 10th 2016 Webex
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lHasan Derhamy lLuleå tekniska universitet
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Overview of presentation
• Briefly introduce Arrowhead project and framework • Introduce the topic of protocol interoperability, our perspective. • Arrowhead Protocol Translation – Service Translation?
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Introducing Arrowhead
Four year Artemis Innovation Project from 2013-2016 Now in final year – Pilot demonstrations at IECON2016 in Florence More Information at Arrowhead website http://www.arrowhead.eu/about/general-overview/ 81 partners including Schneider Electric, Airbus, AVL, Ford, Infineon, NXP, ST, Thales, and many more industry and academic institutions. Pilot areas in Production, Electro-mobility, Virtual Market of Energy, Smart Buildings and Infrastructure, Energy Production and End Users Services.
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Introducing Arrowhead
Service Oriented Architecture based framework for integrating multi-vendor applications
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Motivation JSON
XML
EXI
HTTP
MQTT
CoAP
SenML IPSO
IPSO
HTTP
HTTP
CoAP
CoAP
MQTT
MQTT
MQTT
XML
XML
JSON
BSON
EXI
JSON
BSON SenML
Broker
XMPP XML
???
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Middleware?
More and more Internet based applications Service Oriented Architecture is promising Centralized software buses or static protocol adaptors/bridges used in closed systems.
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CoAP
Sit at edge of network Forced to segregate total network into sub-networks Still acting similar to middleware Overhead in network setup, configuration and change
Gateway or proxy?
CoAP
CoAP
CoAP
HTTP
HTTP
Gateway
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Recap what interoperability in Arrowhead means!
• Service contract = specific set of documents
Service A Contract System P
ASD AIDD ASP
ACP
Service A
System C
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Arrowhead Service Contract Interoperability
ASD AIDD ASP
ACP
Service A Contract
ASD A*IDD ASP
A*CP
Service A* Contract
Service A Service A*
System P System C
• Service A contract using HTTP • Service A* contract using CoAP
Contract Miss-match!!
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Arrowhead Service Contract Interoperability
Arrowhead translator can help to bridge the contract miss-match!
ASD AIDD ASP
ACP
Service A Contract
Service A System P
ASD A*IDD ASP
A*CP
Service A* Contract
Service A*
System C Translator
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Transparency!!
Translator
System Consumer
System Producer
Orchestration System
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4
2
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Use Orchestration to make translation transparent! Zero-Configuration!!
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Arrowhead Translator
CoAP
CoAP
CoAP
HTTP
HTTP
Translator
Translator
Arrowhead Core Service Registry – Orchestration - Authorization
HTTP
XMPP CoAP
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Arrowhead Translation Architecture
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Message API - Initialization
Users: Orchestrator – to setup the translator and receive the fully defined service endpoint. <translatorsetup>
<serviceproviderdnssdrecord> … </serviceproviderdnssdrecord> <serviceconsumertype> “” </serviceconsumertype> </translatorsetup>
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Message API – Initialization – Possible future
Make use of a Service Inventory which will hold much more detail regarding the Service Contract [ServiceDescription/ InterfaceDesignDescription/ CommunicationProfile/ SemanticProfile]
<translatorsetup> <serviceproviderdnssdrecord> … </serviceproviderdnssdrecord> <serviceconsumertype> “” </serviceconsumertype> <serviceinventoryreferences> <provider> </provider> <consumer> </consumer> </serviceinventoryreferences> </translatorsetup>
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Message API - Usage
Users: Service consumer systems Can interact with this API as the original Service Contract
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Arrowhead Translation Architecture
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Translator Service Hub 1 Hub 2 Hub N
Architecture cont.
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Intermediary Format
Key – unique identifier assigned by Hub Payload – UTF-8 payload to be sent (no translation of payload) Payload type – To be passed onto the translated payload Method – HTTP method enumeration Object – This can be URL path, topic, or chat room Error – Intermediate error codes
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Conclusion and future work
This work has delivered: 1) Defined a concept for increasing Service Interoperability without middleware 2) Produced an open-source prototype with design documentation Future work: 1) Implement an Orchestrator which can utilize the Translation System 2) Implement capability for XMPP Spoke 3) Any pilots would like to integrate with other pilots running a different
communication protocol??