Small logo of ETH main building ETH Zurich : Computer Science : Pervasive Computing : Distributed Systems : People : Matthias Kovatsch : Californium (Cf)


Californium (Cf) CoAP framework in Java

Californium is now an Eclipse Project. It was successfully tested at the ETSI IoT CoAP Plugtests. Our Java implementation passed all mandatory and optional tests with all the other implementations that supported them. Our Californium test server is available at coap:// and coap://

Project Web site

Eclipse Repositories

Final Release through ETH Zurich (frozen)

Other Resources



Student Theses

Completed Projects

M Hypermedia Controls for the Internet of Things Yassin N. HassanMatthias KovatschHS 15
L Scalability Evaluation of IoT Cloud Services Marcin Dziezyc,
(Matthias Kovatsch)
Matthias KovatschFS 15
M Scalability for IoT Cloud Services Martin LanterMatthias KovatschFS 13
M Securing the Constrained Application Protocol Stefan JuckerMatthias KovatschFS 12
L Californium: A CoAP Framework in Java Dominique Im Obersteg,
Daniel Pauli
Matthias KovatschFS 11
ETH ZurichDistributed Systems Group
Last updated August 29 2014 11:58:08 AM MET ko