Presentation by Daniel Calvo IoE Lab. ATOS Research & Innovation FIWARE Global Summit 8-9 May, 2018 Porto, Portugal

1. FIWARE Connecting to IoT
Daniel Calvo
IoE Lab. ATOS Research & Innovation
daniel.calvo@atos.net
@danicalvoalonso

2. 1
Connecting
to IoT
FIWARE
IoT Agents
Case example
OPC-UA
Building your
own IoT Agent

3. Connecting to IoT
2

4. What is the IoT?
3
“Internet is connected to the physical world via ubiquitous
sensors”
“Sensor technology enable computers to observe, identify
and understand the world without the limitations of human-
entered data”
Kevin Ashton
Coiner of the term IoT in 1999

5. What is the IoT?
4
https://atos.net/content/mini-sites/journey-2020/index.html

6. What elements are part of the IoT?
5
Users
Applications
IoT Platforms
Communication
Devices

7. IoT Interoperability ? Still a $1,000,000 question
6

8. FIWARE Smart*: Local Ecosystem growth engine
7
Devices NDevices 1 Devices 2
Smart City / Authorities / Citizens
Communication NCommunication 1 Communication 2
New system M
Context Data Ecosystem
IoT Agent 1 IoT Agent 2 IoT Agent N IoT Agent M

9. FIWARE Smart*: Local Ecosystem growth engine
§ Higher efficiency
• Shared networks
• Cloud
§ Boost overall business
• Cross vertical ideas and services
• New players
• Data scientists
• Developers
• Ease the integration of new protocols
and devices
8

10. FIWARE IoT Stack
IoT Devices
Comm
Southbound API
IoT Agents
Northbound API
Context broker
9

11. FIWARE IoT Agents
10

12. IoT Communication Protocols
11
Range
Speed
< 3m < 5km < 100km
bps
Kbps
Mbps

13. IoT Devices: constrained nodes
12
ARM Cortex-M3 32 MHz
~MB Flash, ~KB RAM
ZigBee, GRPS, IEEE 802.15.4
Low power consumption
mode
Contiki OS, FreeRTOS, RIOT

14. IoT Agents: Connecting IoT Protocols to FIWARE
13
APPLICATION
TRANSPORT
SIMPLIFIED OSI
NETWORK
LINK
PHYSICAL
CoAP
802.15.4
UDP
IoT Device
IPv6, RPL
6LoWPAN
App protocol
IoT Agent
TCP
CONTEXT BROKER
IPv4
HTTP
NGSI /REST
1000s of bytes
10/100s of bytes

15. IoT Agents: Connecting IoT Protocols to FIWARE
14
APPLICATION
TRANSPORT
SIMPLIFIED OSI
NETWORK
LINK
PHYSICAL
CoAP
802.15.4
UDP
IoT Device
IPv6, RPL
6LoWPAN
App protocol
IoT Agent
802.15.4
UDP
IPv6, RPL
6LoWPAN
IPv4
TCP
CoAP
App protocol
HTTP
NGSI/REST
TCP
CONTEXT BROKER
IPv4
HTTP
NGSI /REST
1000s of bytes
10/100s of bytes

16. IoT Agents’ features
15
IoT Agent
IoT Agent Lib
Agent Ad-hoc
Context broker
IoT Device
External system

17. IoT Agents’ features
16
IoT Agent
IoT Agent Lib
Agent Ad-hoc
Context broker
IoT Device
External system
1. IoT Agent Registers the device
1.

18. IoT Agents’ features
17
IoT Agent
IoT Agent Lib
Agent Ad-hoc
Context broker
IoT Device
External system
1. IoT Agent Registers the device
2. Device sends information updates
1.
2.

19. IoT Agents’ features
18
IoT Agent
IoT Agent Lib
Agent Ad-hoc
Context broker
IoT Device
External system
1. IoT Agent Registers the device
2. Device sends information updates
3. Agent sends NGSI request
1.
2.
3.

20. IoT Agents’ features
19
IoT Agent
IoT Agent Lib
Agent Ad-hoc
Context broker
IoT Device
External system
1. IoT Agent Registers the device
2. Device sends information updates
3. Agent sends NGSI request
4. External system modifies CB data
1.
2.
3.
4.

21. IoT Agents’ features
20
IoT Agent
IoT Agent Lib
Agent Ad-hoc
Context broker
IoT Device
External system
1. IoT Agent Registers the device
2. Device sends information updates
3. Agent sends NGSI request
4. External system modifies CB data
5. Context broker updates device value
1.
2.
3.
4.
5.

22. IoT Agents’ features
21
IoT Agent
IoT Agent Lib
Agent Ad-hoc
Context broker
IoT Device
External system
1. IoT Agent Registers the device
2. Device sends information updates
3. Agent sends NGSI request
4. External system modifies CB data
5. Context broker updates device value
6. Device receives command
1.
2.
3.
4.
5.
6.

23. IoT Agents’ features
22
IoT Agent
IoT Agent Lib
Agent Ad-hoc
Context broker
IoT Device
External system
1. IoT Agent Registers the device
2. Device sends information updates
3. Agent sends NGSI request
4. External system modifies CB data
5. Context broker updates device value
6. Device receives command
1.
2.
3.
4.
5.
6.
NGSI
IoT
Comm

24. IoT Agents: device to NGSI mapping
§ Each IoT Device is mapped to a CB Entity
§ Each IoT resource is mapped to CB attribute
23
• devID0001
• remoteType
Entity
• temperature
• float
• 25.4
Attribute
• heartRate
• integer
• 80
Attribute

25. IoT Agents: active attributes
24
http://www.smartdubai.ae

26. IoT Agents: active attributes
25
IoT Agent
IoT Agent Lib
Agent Ad-hoc
Context broker
IoT Device
External system
1.
2.
3.
NGSI
IoT
Comm
1. Device sends information updates
2. Agent sends NGSI request
3. External system is notified or queries CB
data
§ Device may sleep to reduce energy
consumption

27. IoT Agents: lazy attributes
26

28. IoT Agents: lazy attributes
27
IoT Agent
IoT Agent Lib
Agent Ad-hoc
Context broker
IoT Device
External system
1. External system queries CB
2. CB queries IoT Agent as Context
provider
3. IoT Agent queries device
§ Device may be listening to queries
3.
1.
4.
NGSI
IoT
Comm
2. 5.

29. IoT Agents: commands
28
https://atmelcorporation.files.wordpress.com

30. IoT Agents: commands
29
IoT Agent
IoT Agent Lib
Agent Ad-hoc
Context broker
IoT Device
External system
1. External system sets attribute in CB
2. CB updates context in IoT Agent as
Context provider
3. IoT Agent answers with PENDING
4. IoT Agent sends command to device
5. Device answers with command result
6. IoT Agent updates context in CB
4.
1.
5.
NGSI
IoT
Comm
2. 3. 6.

31. Main IoT Agents available: Ultralight 2.0
30
APPLICATION
TRANSPORT
SIMPLIFIED OSI
NETWORK
LINK
PHYSICAL
MQTT / HTTP
TCP
IoT Device
ULTRALIGHT
IoT Agent
TCP
IPv4
TCP
MQTT / HTTP
ULTRALIGHT
HTTP
NGSI/REST
TCP
CONTEXT BROKER
IPv4
HTTP
NGSI /REST

32. Main IoT Agents available: Ultralight 2.0
§ Measure payload syntax
• temperature | 15 | position | up
§ Does not support lazy attributes
§ https://github.com/Fiware/iot.IoTagent-UL
§ Un-appropriate for:
• Really constrained devices
• Low-Power and Lossy Networks (LLNs),
§ Data model based on shorter text messages
31

33. Main IoT Agents available: JSON
32
APPLICATION
TRANSPORT
SIMPLIFIED OSI
NETWORK
LINK
PHYSICAL
MQTT / HTTP
TCP
IoT Device
JSON
IoT Agent
TCP
IPv4
TCP
MQTT / HTTP
JSON
HTTP
NGSI/REST
TCP
CONTEXT BROKER
IPv4
HTTP
NGSI /REST

34. Main IoT Agents available: JSON
§ Measure payload syntax
• {“temperature”: 40.2, “position”: “left”}
§ Does not support lazy attributes
§ https://github.com/Fiware/iot.IoTagent-JSON
§ Un-appropriate for:
• Really constrained devices
• Low-Power and Lossy Networks (LLNs),
§ Data model based on JSON standard objects
33

35. Main IoT Agents available: OMA Lightweight M2M
34
http://openmobilealliance.org

36. Main IoT Agents available: OMA Lightweight M2M
35
APPLICATION
TRANSPORT
SIMPLIFIED OSI
NETWORK
LINK
PHYSICAL
DTLS / CoAP
UDP
IoT Device
LWM2M
IoT Agent
UDP
IPv4
TCP
DTLS / CoAP
LWM2M
HTTP
NGSI/REST
TCP
CONTEXT BROKER
IPv4
HTTP
NGSI /REST

37. Main IoT Agents available: OMA Lightweight M2M
§ Object model
• Based on Object and Resource hierarchy (e.g.: /1/12/3)
• OMA Registry
§ https://github.com/Fiware/iot.IoTagent-LWM2M
§ Appropriate for:
• Really constrained devices
• Low-Power and Lossy Networks (LLNs),
36

38. Main IoT Agents available: OPC-UA
37

39. Main IoT Agents available: LoRaWAN
38

40. How to start… First, choose your flavour!!
39

41. § https://fiware-iot-stack.readthedocs.io/en/latest/device_gateway/index.html
§ https://github.com/Fiware/iot.IoTagent-node-lib
§ https://github.com/Fiware/iot.IoTagent-UL
§ https://github.com/Fiware/iot.IoTagent-JSON
§ https://github.com/Fiware/iot.IoTagent-LWM2M
How to start… Then, docs and requirements
40

42. How to start… Finally, node/npm or docker?
41

43. Thank you!
http://fiware.org
Follow @FIWARE on Twitter
Daniel Calvo
IoE Lab. ATOS Research &
Innovation
daniel.calvo@atos.net