m2m communication hálózati és szolgáltatási architektúrák szeminárium 2015-02-27 perlaky...
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M2M Communication
Hálózati és szolgáltatási architektúrák szeminárium
2015-02-27
Perlaky Zoltán
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2015-02-27 M2M Communication 2
OverviewM2M?Example: eCallM2M ? IoTM2M roots
Device characteristicsDevices ↔ Applications
M2M MaturityStandards OrganizationsETSI M2M standard specifications
ETSI M2M ArchitectureTC M2M – High Level Architecture
Network misalignmentCommunication in M2M area network
oneM2M
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M2M?
M? Machine/Mobile/Man
M2(CN2)MMachine – to – Communication Network – to – machine
elastic boundaries
Who is in command? Human or device? (Smartphone vs Smart metering, Kindle browsing vs buying eBook)
[1] p.2–3.
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Example: eCall
http://itcafe.hu/dl/cnt/2014-06/109581/ecallinfo_png.jpg http://www.heero-pilot.eu/view/en/ecall.html
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M2M ? IoT
Overlap Boundaries not exact Specific areas exist
IoT: objects/things that may or may not be in M2M relationship with an ICT system.Example: Passive object (RFID), not able to communicate directly. M2M relationship ends with the scanner capable of reading the RFID.
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M2M roots
Telemetry Telecommunication + measurements(etym: Greek tele /remote/ + Greek metron /measure/)
Meteorology Energy providers Rocketry Space science
http://en.wikipedia.org/wiki/Telemetry
Telematics Telecommunication + informatics(etym: Greek tele /remote/ + Greek matos /automaton/)
Tracking (vehicle, trailer, container)
Fleet management Satellite navigation
http://en.wikipedia.org/wiki/Telematics
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Device characteristics Multitude
several magnitude more M2M than Human2Device
Scalability? (#devices, NW load, data usage & pattern)
Variety/diverse requirements computing/communication cap.
Invisibility No human control. Mngmt?
Criticality Life savers (eHealth, electricity)
Intrusiveness Privacy
Constrained Devices (IETF): Low cost Low CPU Low memory Low data rate Low power (battery) Small size (less battery)
Other constrains: Embedded
inside sg. or hostile/secure env.
Lifetime ICT device < car < house
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Devices ↔ Applications
http://beechamtech.com/wp-content/uploads/2013/10/M2M1.jpg
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M2M Maturity
[1] p.9.
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Standards Organizations
[1] p.18.
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ETSI M2M standard specifications
http://www.etsi.org/technologies-clusters/technologies/m2m[2] p.30.
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ETSI M2M Architecture
https://duniaelectronic.files.wordpress.com/2013/11/etsi-simple-m2m-architecture.jpg
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TC M2M – High Level ArchitectureTC M2M – High Level Architecture
mId
mId
mIa
dIa
M2MApplication Server #1
M2M Service Capabilities
Layer (SCL)
M2M GatewayM2M Device
M2M SCL
M2M Device
WIRELESS
MOBILE
FIXED
.. OTHER
M2M AREA
NETWORK
App. Client
(Device)
M2M SCL
App. Client
(Gateway)
App. Client
(Device)dIa
dIa
M2MApplication Server #2
M2MApplication Server #n
Proprietary
M2M Device
Prop
rieta
ry In
terfa
ce
WIDE AREA NETWORK
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Network misalignment
Current stage of M2M deployments is mainly wireless/cellular network. Advantages of using cellular: “built-in features” authentication / security / (tracking) In some cases mobility
Misalignment: Currently used NWs are optimized for different requirements. Not designed for that many devices. Most (~90%) deployed devices are stationary, do not require roaming capability or
location tracking (which is cumbersome and waste radio resources and power). Not designed for that kind of usage/traffic.
Small amounts (nx100B) of data, enormous control overhead (handshakes for radio access / authentication / security / IP address / QoS params / …; data bearer establishment and teardown 20+ handshakes + TCP handshakes)
In some cases (Smart Grid) latency < 10ms[1] p.8., p.14-15.,
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Communication in M2M area network Wireless
3G http://en.wikipedia.org/wiki/3G 4G http://en.wikipedia.org/wiki/4G 5G http://en.wikipedia.org/wiki/5G IEEE 802.16p WiMAX Enhancements to Support M2M Applications http://en.wikipedia.org/wiki/IEEE_802.16
IEEE 802.11ah (sensor NWs, in progress) http://en.wikipedia.org/wiki/IEEE_802.11ah 6LoWPAN (IPv6 Low Power Wireless) http://en.wikipedia.org/wiki/6LoWPAN IEEE 802.15.4 http://en.wikipedia.org/wiki/IEEE_802.15.4 ZigBee http://en.wikipedia.org/wiki/ZigBee Z-Wave http://en.wikipedia.org/wiki/Z-Wave BT especially low energy v4.0 – v4.2 http://en.wikipedia.org/wiki/Bluetooth#Bluetooth_v4.0 KNX http://en.wikipedia.org/wiki/KNX_%28standard%29 Wireless M-BUS http://en.wikipedia.org/wiki/Meter-Bus
Wired KNX http://en.wikipedia.org/wiki/KNX_%28standard%29 PLC (Power Line Communication) http://en.wikipedia.org/wiki/Power-line_communication M_BUS http://en.wikipedia.org/wiki/Meter-Bus
[1] p.13., [2] p.4., p.14.
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oneM2MGlobal partnership of telecommunication standards organizations (formed 2012)“February 4, 2015: The era of widespread deployment of Machine-to-Machine (M2M) technology and the foundation for the Internet of Things (IoT) advanced significantly today when oneM2M, the global standards initiative for M2M and the IoT, issued its Release 1 global standards.”
http://www.onem2m.org/news-events/news/53-the-rise-of-the-machines-world-s-first-global-standards-for-m2m-deployment
http://www.onem2m.org/technical/published-documents
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Summary
Standardization is mainly done B2B Apps exists B2C Apps to come
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Infographics
Internet live stats:http://www.internetlivestats.com/
Future of a connected field technician:https://blog.dashburst.com/infographic/m2m-field-tech-infographic/
Cisco The Internet of Things:http://share.cisco.com/internet-of-things.html
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Sources
[1] M2M Communications: A Systems Approach, First Edition., Edited by David Boswarthick, Omar Elloumi and Olivier Hersent., Published 2012 by John Wiley & Sons, Ltd.
[2] Machine-to-Machine (M2M) Communications: Architecture, Performance and Applications, First Edition., Edited by Carles Anton-Haro, Mischa Dohler, Published 2015 Woodhead Publishing Ltd.
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Questions?