OpenWSN at the IETF90 plugfest

Following the success of the IETF89 plugfest, the 6TiSCH, 6lo and ROLL working groups jointly hosted the LLN plugfest during the IETF90 standardization meeting on 20 July 2014, in Toronto, Canada.

10 days before the event, the OpenWSN team started a programming challenge to implement and show the following drafts at the plugfest:

And it worked!

The co-chairs of the plugfest were Ines Robles and Xavier Vilajosana.

The plugfest was a huge success, with the following teams presenting:

	Cisco System and Linear Technology/Dust Networks Who: Pascal Thubert, Cisco Systems Thomas Watteyne, Linear Technology, Dust Networks Product Group Demo: Two Linear Technology SmartMesh IP networks federated by two Cisco backbone routers Related IETF documents: draft-thubert-6lowpan-backbone-router-03 draft-ietf-6tisch-architecture-03 For more information: http://www.cisco.com/ http://www.linear.com/dust
	UC Berkeley's OpenWSN Who (alphabetically): Marcelo Barros de Almeida, Federal University of Uberlândia, Brazil Nicola Accettura, UC Berkeley, USA Pere Tuset, Universitat Oberta de Catalunya, Catalunya, Spain Qin Wang, Univ. of Sci. and Tech. Beijing, China Tengfei Chang, Univ. of Sci. and Tech. Beijing, China Thomas Watteyne, OpenWSN project coordinator Vitor Garbellini Xavier Vilajosana, Universitat Oberta de Catalunya, Catalunya, Spain Demo: A heterogeneous 10-mote wireless mesh network implementing IEEE802.15.4e TSCH, RPL, CoAP, as well as the latest drafts produced in the 6TiSCH working group (see below!) Related IETF documents: draft-ietf-6tisch-minimal-02 draft-wang-6tisch-6top-sublayer-01 draft-dujovne-6tisch-on-the-fly-03 draft-thubert-6man-flow-label-for-rpl-03
	OpenMote A provider of open hardware for the Internet of Things, the home of the OpenMote Who: Pere Tuset, Universitat Oberta de Catalunya Xavier Vilajosana, Universitat Oberta de Catalunya Demo: OpenWSN on the OpenMoteCC2538 FreeRTOS on the OpenMoteCC2358 OpenMote as a sniffer The OpenMoteCC2538 is fully already supported by OpenWSN! For more information: http://www.openmote.com/
	Inria and FIT-IoT Who: Cedric Adjih, Inria Demo A live demonstration of the IoT-LAB platform, a very large scale open testbed with 2728 motes. This testbed runs the WSN430 and IoT-LAB_M3 motes already supported by OpenWSN! For more information: https://www.iot-lab.info/
	RIOT The friendly Operating System for the Internet of Things Who: Oliver (Oleg) Hahm Thomas Eichinger Demo: Demonstration of OpenWSN running in RIOT the OpenWSN and RIOT teams are currently working together to easily integrate the OpenWSN protocol stack with the RIOT operating system For more information: http://www.riot-os.org/
	6LoWPAN MIB demonstration Who: Jürgen Schönwälder, Jacobs University Bremen, Germany Demo: An implementation of the 6LoWPAN MIB showed how to access the counters via a Contiki SNMP implementation and Contiki’s CoAP implementation Related IETF documents: draft-ietf-6lo-lowpan-mib
	IEEE802.15.4e Wireshark dissector Who: Vincent Ladeveze Demo: a work-in-progress for building: A IEEE802.15.4e/6TiSCH dissector in Wireshark, an open solution for building a 16-channel sniffer For more information: Wireshark dissector development Want to help? Contact Vincent Ladeveze!
	Sewio Who: Nestor Tiglao, University of the Philippines Demo: A live demonstration of Sewio's open sniffer solution For more information: http://www.sewio.net/open-sniffer/

The plugfest started by each team presenting a few slides about the demo they were about to present:

It then continued by a live demonstration by each team.

The plugfest concluded by the co-chairs handing out certificates of participation:

So what did the OpenWSN team show exactly?

The OpenWSN team showed off everything it had implemented during the "IETF90 plugfest programming challenge":

A multi-hop topology was forced during the event (by editing the topology.c file), resulting in:

10 OpenMoteCC2538 motes were plugged in a USB hub	forming the following multi-hop topology

In detail:

10 motes were placed on a table and switched on
They are programmed with firmware which forces multi-hop connectivity (through a "switch" statement in topology.c)
Mote 97 is configured as DAGroot by the OpenVisualizer
The motes synchronize to the DAGroot and form a multi-hop network.
The TSCH schedule used by the network is similar to the one defined in draft-ietf-6tisch-minimal-02.
All upstream packets contains the flow label defined in draft-thubert-6man-flow-label-for-rpl-03.
The ietf90client application on the computer is used to trigger a mote in the network to negotiate a cell with its neighbor, using draft-wang-6tisch-6top-sublayer-01.
On-The-Fly scheduling (per draft-dujovne-6tisch-on-the-fly-03) is used to negotiate cells over the multi-hop link to the DAGroot.

The OpenWSN team members which have participated to this plugfest are (alphabetically):

Marcelo Barros de Almeida	built the `ietf90client` Python application and the associated firmware application.
Nicola Accettura	implemented `draft-ietf-6tisch-minimal-02`. He also created and tested the demo setup.
Pere Tuset	worked on the OpenWSN port on the OpenMoteCC2538.
Tengfei Chang Qin Wang	implemented `draft-wang-6tisch-6top-sublayer-01`.
Thomas Watteyne	implemented `draft-dujovne-6tisch-on-the-fly-03`.
Vitor Garbellini	built the enhanced web interface for the OpenVisualizer.
Xavier Vilajosana	implemented `draft-thubert-6man-flow-label-for-rpl-03`.