Smart M2M gateway based architecture for m2m device and endpoint management

Smart M2M Gateway based Architecture for M2M Device and Endpoint Management

Soumya Kanti Datta

Research Engineer, EURECOM, France

Email: soumya-kanti.datta@eurecom.fr

IEEE International Conference on Internet of Things

(iThings 2014)

Outline

• Introduction

• IoT architecture to manage M2M devices

• M2M device configuration management

• Interaction using a mobile client

• Implementation of Lightweight FI-WARE Generic Enablers

• Performance evaluation

• Conclusion

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Introduction

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• Managing the huge volume of M2M devices facilitates

– Discovery of M2M devices and services

– Easy access for end users

– High mobility

M2M Gateway Based Management

• Why M2M gateway – Settles the heterogeneity between M2M devices and

internet – Things do not have the capability to connect to the Internet

on their own – Gateway is indispensable to connect legacy things and

things in Smart Home domain

• We propose – M2M gateway based device and endpoint management – Lightweight CoRE Link based description – SenML based metadata exchange [1]

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[1] Datta, Soumya Kanti; Bonnet, Christian; Nikaein, Navid, "CCT: Connect and Control Things: A novel mobile application to manage M2M devices and endpoints," Intelligent Sensors, Sensor Networks and Information Processing (ISSNIP), 2014 IEEE Ninth International Conference on , pp.1,6, 21-24 April 2014

Outline

• Introduction

• IoT architecture to manage M2M devices

• M2M device configuration management

• Interaction using a mobile client

• Implementation of Lightweight FI-WARE Generic Enablers

• Performance evaluation

• Conclusion

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ETSI based IoT Architecture

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Outline

• Introduction

• IoT architecture to manage M2M devices

• M2M device configuration management

• Interaction using a mobile client

• Implementation of Lightweight FI-WARE Generic Enablers

• Performance evaluation

• Conclusion

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CoRE Link Based Function Set

Function Set Root Path Resource Type

Device /d wg.dev

Endpoint /e wg.endpoint

Unit /unit wg.senml.unit

Configuration /cf wg.config

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M2M Device Resource Description

Type Path RT IF

Location /d/loc ipso.loc.gps / ipso.loc.xy / ipso.loc.sem

p

Id /d/id wg.dev.id rp

Name /d/n wg.dev.name p

Model /d/mdl wg.dev.model p

Endpoint /d/end wg.dev.endpoint p

destination /d/dst wg.dev.destination p

proxy-out [2] /d/po wg.dev.proxy-out rp

proxy-in [2] /d/pi wg.dev.proxy-in rp

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[2] Datta, S.K.; Bonnet, C.; Nikaein, N., "An IoT gateway centric architecture to provide novel M2M services," Internet of Things (WF-IoT), 2014 IEEE World Forum on , vol., no., pp.514,519, 6-8 March 2014

M2M Endpoint Resource Description

Type Path RT IF

id /e/id wg.endpoint.id rp

name /e/n wg.endpoint.name p

device /e/d wg.endpoint.device p

senml /e/senml wg.endpoint.senml rp

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Unit Resource Description

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Type Path RT IF

Unit /unit/{senml.unit} wg.senml.unit rp

ui-graphical /unit/{senml.unit}/gr wg.senml.gr rp

allowed-range

/unit/{senml.unit}/ar wg.senml.ar rp

allowed-list /unit/{senml.unit}/al wg.senml.al rp

Configuration Resource Description

• The configuration file can be created and/or updated from the mobile clients.

• Access to the resources is restricted to authorized clients as determined by the access rights.

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Type Path RT IF

Device /cf/d wg.dev p

Endpoint /cf/e wg.endpoint p

Unit /cf/unit wg.unit p

Outline

• Introduction

• IoT architecture to manage M2M devices

• M2M device configuration management

• Interaction using a mobile client

• Implementation of Lightweight FI-WARE Generic Enablers

• Performance evaluation

• Conclusion

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Example Scenario

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• CoRE Link based descriptions – Pushed to the south

interface of the gateway.

– Locally stored.

• Mobile client – Issues a GET request to

north interface of the gateway.

– Gateway responds with the M2M device and endpoint configurations.

Retrieving M2M Device Configurations

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Retrieving M2M Endpoint Configuration

User selects the “Device 2” which queries for the configuration of its endpoints

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Note: “xif” is an interface definition introduced by us to differentiate between different types of endpoints like sensors (s), actuators (a), RFID tag (r) and transducers (t).

Unit Resource Description

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• Note: – Range of operation is 10 to 30 degree Celsius.

– Sensor measurement is represented by a slider.

• This drives the UI components of the mobile device from the M2M gateway.

Updating Configuration at M2M Gateway

• Consider the “location” attribute is empty.

• It can be updated from mobile clients – “Building-A” in this case

– Done using HTTP POST

• Only a some of the attributes can be updated – Location, name, proxy

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Outline

• Introduction

• IoT architecture to manage M2M devices

• M2M device configuration management

• Interaction using a mobile client

• Implementation of Lightweight FI-WARE Generic Enablers

• Performance evaluation

• Conclusion

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FI-WARE Generic Enablers

• FI-WARE is an initiative that provides an open cloud-based infrastructure to

– Create and deliver cost-effective applications and services for future internet.

– Build Generic Enablers (GE) for IoT service enablement.

• Generic Enablers

– Allow physical things to be available, searchable, accessible and usable by high level applications.

– Consists of a set of functionalities, APIs and interoperable interfaces compliant with open specifications.

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IoT Gateway and Backend GEs

• IoT Gateway GE – Provides inter-networking, protocol conversion &

network traffic optimization for IoT backend.

– Implements CoRE Link based Description APIs.

– Additional capabilities • Gateway based M2M device discovery.

• Integration of legacy endpoints into the IoT ecosystem.

• IoT Backend GE – Typically addresses domain specific applications.

• Enables Android application to provide M2M services to end-users.

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Data/Context Management GEs

• Generate M2M data – Combine sensor measurement with additional

data e.g. unit, type, id, name, version and timestamp to create metadata.

• Collect context information – Timestamp and location of M2M devices.

• Generate new information – Semantic reasoning on the M2M data to generate

it’s meaning. [3]

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[3] Gyrard, A.; Bonnet, C.; Boudaoud, K., "Enrich machine-to-machine data with semantic web technologies for cross-domain applications," Internet of Things (WF-IoT), 2014 IEEE World Forum on, pp.559,564, 6-8 March 2014

Interface to Networks and Devices (I2ND) Architecture GEs

• Connected Device Interface (CDI) GE – It equips the mobile clients with real time and remote access to M2M

devices and endpoints.

– Implemented as the mobile application “Connect and Control Things”.

• Service Capability, Connectivity and Control (S3C) GE – Runs in Service Capabilities Layer (SCL) and offers

• Self-adaptive framework for battery and context aware mobile application development. [4]

• Framework to optimize the mobile application development using cross platform tools. [5]

• API for dynamic M2M device discovery.

• Ecosystem of mobile applications to serve different IoT domains (under development)

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[4] Soumya Kanti Datta, Christian Bonnet, Navid Nikaein, "Self-Adaptive Battery and Context Aware Mobile Application Development", in 10th IEEE International Wireless Communication and Mobile Computing Conference, August 4-8, 2014, Cyprus. [5] Dalmasso, I; Datta, S.K.; Bonnet, C.; Nikaein, N., "Survey, comparison and evaluation of cross platform mobile application development tools," Wireless Communications and Mobile Computing Conference (IWCMC), 2013 9th International , vol., no., pp.323,328, 1-5 July 2013

Outline

• Introduction

• IoT architecture to manage M2M devices

• M2M device configuration management

• Interaction using a mobile client

• Implementation of Lightweight FI-WARE Generic Enablers

• Performance evaluation

• Conclusion

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Performance Evaluation

• Addressing the scalability issue with huge volume of M2M devices and endpoints

• Size of configuration file < 1KB.

– M2M gateway with internal memory 10MB can store and manage 10,000 configuration files.

• The presented concept can be utilized in

– Smart Home, Healthcare domain etc.

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Outline

• Introduction

• IoT architecture to manage M2M devices

• M2M device configuration management

• Interaction using a mobile client

• Implementation of Lightweight FI-WARE Generic Enablers

• Performance evaluation

• Conclusion

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Conclusion

• CoRE Link Format based lightweight description

• Internal structure of the M2M gateway, web services, APIs and interactions

• ETSI compliant architecture

• Lightweight implementation of FI-WARE Generic enablers

• Performance evaluation

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Q/A

• Email: soumya.kanti-datta@eurecom.fr

• Publication repository: http://www.eurecom.fr/en/people/datta-soumya-kanti/publications

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