I am thrilled to see that you are implementing uXMPP on the contiki os. I
am working closely with sics.se and the NES group
They are contributing alot to Contiki.
We have projects now where we would like to add XMPP to the Contiki
community would you be interested in releasing your uXMPP?
Could we collaborate on implementing the new XEP's for IoT?
Thanks
/Joachim Lindborg
2013/5/14 Ronny Klauck <rklauck(a)informatik.tu-cottbus.de>
  Hi Peter,
 there are a couple of publications of uXMPP aka XMPP4IoT which we want to
 point to:
 - Klauck, R.; Kirsche, M.: Chatty Things - Making the Internet of Things
 Readily Usable for the Masses with XMPP, in Proceedings of the 8th
 International Conference on Collaborative Computing: Networking,
 Applications and Worksharing (CollaborateCom 2012), Pittsburgh,
 Pennsylvania, USA, October, 2012.
 - Klauck, R.; Kirsche, M.: Combining Mobile XMPP Entities and Cloud
 Services for Collaborative Post-Disaster Management in Hybrid Network
 Environments, in Mobile Networks and Applications - The Journal of SPECIAL
 ISSUES on Mobility of Systems, Users, Data and Computing. Springer, Online
 Publication August 2012. DOI: 10.1007/s11036-012-0391-1
 In the moment we skpipped the implemenatation of EXI for uXMPP, because
 there is ongoing work by a phd student: its called uEXI -
 
http://code.google.com/p/ws4d-uexi/wiki/Introduction.
 Unfortunately there is no code available.
 But we did a lot of (unfortunately unpublished) performance tests with
 other EXI implementations on the Zolertia Z1 sensor node, which showed that
 the compression of EXI for XMPP messages is high but the implementation
 effort and the memory consumption as well. So we decided to optimize XMPP
 messages and there behavior in a smart object network directly to have more
 available memory for XEPs! This solution and the implemeted XEPs can be
 found as well in the mentioned papers/journal.
 Our focus lies in the H2M communication and in the parameter-less
 bootstrapping (with the help of mDNS/DNS-SD aka uBonjour) of XMPP-based
 smart objects, so called - Chatty Things -.
 Papers about uBonjour are:
 - Klauck, R.; Kirsche, M.: Enhanced DNS Message Compression - Optimizing
 mDNS/DNS-SD for the Use in 6LoWPANs, in Proceedings of the 9th IEEE
 International Workshop on Sensor Networks and Systems for Pervasive
 Computing 2013 (PerSeNS 2013), co-located with the 11th IEEE Conference on
 Pervasive Computing and Communication (PerCom 2013), San Diego, California,
 USA, March, 2013.
 - Klauck, R.; Kirsche, M: Bonjour Contiki: A Case Study of a DNS-Based
 Discovery Service for the Internet of Things, in Proceedings of the 11th
 International IEEE Conference on Ad-Hoc Networks and Wireless (ADHOC-NOW
 2012), ser. Lecture Notes in Computer Science (LNCS), X.-Y. Li, S.
 Papavassiliou, and S. Ruehrup, Eds., vol. 7363. Springer, July 2012, pp.
 317 – 330.
 The papers (accept the journal) can be downloaded from here:
https://www-rnks.informatik.tu-cottbus.de/content/unrestricted/staff/mk/Pub…
 Please let me know if you need more information ;)
 Cheers
 Michael & Ronny
 On Tue, 14 May 2013 10:00:36 -0600
 Peter Saint-Andre <stpeter(a)stpeter.im> wrote:
  -----BEGIN PGP SIGNED MESSAGE-----
 Hash: SHA1
 Dear IoT folks, this paper looks interesting:
 
https://www-rnks.informatik.tu-cottbus.de/content/unrestricted/staff/mk/Pub…
 
 Michael and Ronny, your research will probably gain an active audience
 on the iot(a)xmpp.org discussion list. I've allowed you to post to the
 list even though you are not subscribed. By the way, you do not
 mention recent work like the EXI connection method (XEP-0322). Is that
 because your paper predates the new XEPs?
 Peter
 - --
 Peter Saint-Andre
 
https://stpeter.im/
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 --
 Dipl.-Inf. Ronny Klauck
 Brandenburg University of Technology Cottbus
 Computer Networks Group
 
http://www-rnks.informatik.tu-cottbus.de/~rklauck
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-- 
Regards
Joachim Lindborg
CTO, systems architect
Sustainable Innovation AB
Adress: Box 55998 102 16 Stockholm
Besöksadress: Storgatan 31 (Malmgården)
Email: Joachim.lindborg(a)sust.se,