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www.arrowhead.eu Arrowhead Protocol Translation IPSO Protocol committee March 10 th 2016 Webex 1 lHasan Derhamy lLuleå tekniska universitet
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Page 1: Arrowhead Protocol Translation IPSO Protocol committee ... · Arrowhead Protocol Translation IPSO Protocol committee March 10th 2016 ... CoAP CoAP MQTT . MQTT . MQTT XML XML JSON

www.arrowhead.eu

Arrowhead Protocol Translation

IPSO Protocol committee March 10th 2016 Webex

1

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

1

4

2

5

Use Orchestration to make translation transparent! Zero-Configuration!!

3

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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??

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Thank you for your time!

Hasan Derhamy Doktorand EISLAB – LTU [email protected]


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