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6lowpan

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short introduction to benefit of 6lowpan for wireless sensors network

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6lowpan

  1. 1. 08/01/2014 Wireless System Labs 22/04/2015 6LoWPAN IPv6 LoW Power wireless Area Networks Ulrich Rousseau : Wi6labs cofounder and CEO
  2. 2. Internet Of Things and Sensors Network Pic source : http://www.ti.com/lsds/ti/wireless_connectivity/6lowpan/overview.page Roebuck, Kevin “The Internet Protocol could and should be applied even to the smallest devices"
  3. 3. 6Lowpan : what does it mean? IPV6 Addr : 128 bits IPV4 Addr : 32 bits Low Power Low Datarate Low Cost 6 Wireless Personal Area Networks
  4. 4. 6LowPAN : stack evolution Graphic via Ronak Sutaria and Raghunath Govindachari from Mindtree Labs in "Making sense of interoperability:Protocols and Standardization initiatives in IOT" Sub 1GHz, BLE, CPL, Lora…
  5. 5. 6LowPAN : IOT solution Graphic via 6LoWPAN demystified Problem : Is it possible to match IPV6 packet in 802.15.4 container ? Solution : fragmentation and reassembly IPV6 packet 1280 Bytes 802.15.4 packet 127 Bytes
  6. 6. 6LowPAN : IOT solution Graphic via 6LoWPAN demystified Problem : optimizing the transmission of IPv6 packets over low-power and lossy networks Solution : Header compression IPV6 Header 40 Bytes 802.15.4 Packet 127 Bytes
  7. 7. 6LowPAN : IOT solution Problem : device address management require lot of message Solution : Stateless Auto Configuration Graphic via http://fr.wikipedia.org/wiki/6LoWPAN
  8. 8. 6LowPAN : IOT solution Problem : Routing Solution : Mesh Over (Qos) and Mesh Under (Low latency) Graphic via http://fr.wikipedia.org/wiki/6LoWPAN
  9. 9. 6LowPAN : IOT solution Problem : Routing Solution : Build RPL tree (DODAG) and communicate through nodes H path: F  G  C  B  A
  10. 10. 6LowPAN : IOT solution Problem : Security Solution : Add security mecanism on network layer and application layer Security Mecanism App TCP/UDP IPV6 6LowPAN 802.15.4 DTLS IPSec LSEND AES
  11. 11. 6LowPAN : IOT solution Problem : HTTP is chatty Solution : REST request – COAP (Constrained Application Protocol) Client Server /temperature Get /Temperature200 Ok Application/text 25°c Rest request example 25°c
  12. 12. 6LowPAN implementation example RF Transceivers SOC STM32L15X STM SPIRIT1 + 6LowPAN Stack 6LowPan SP1ML module 868 MHz
  13. 13. 08/01/2014 Wireless System Labs 22/04/2015 Thanks! contact@wi6labs.com +33 (0)2 99 63 90 85 www.wi6labs.com @wi6labs 10 Rue de Jouanet E-Park 35700 Rennes France

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