Californium: A Powerful CoAP Framework for IoT Devices
Californium is a robust CoAP framework designed for back-end services and IoT devices, offering a versatile API for RESTful web services. Stay updated with the latest project updates, release plans, and collaboration efforts in the world of IoT development.
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Presentation Transcript
Eclipse Californium Project Update 2020
Overview Californium is a powerful CoAP framework targeting back-end services and stronger Internet of Things devices. It provides a convenient API for RESTful Web services that support all of CoAP's features. Own eclipse sandbox: coap://californium.eclipse.org (also coap://californium.eclipseprojects.io) Supports also coaps, and experimental coap-tcp and coaps-tcp
Stats Initial Code Contribution Apr 2014 Committers Mainly 1 active, over all 5 (+/- 0) Contributors 6 (- 4) Commits ~2250 (+ 480) (master) PRs (last month) 12 (merged) Issues opened (last month) 3 Issues closed (last month) 9 Unique GitHub cloners 44 (+6)
Release Plan Near Future Version Date Content 2.0.0 December 2019, done! - 2.4.1 September 2019 PSK with async API Redesign DTLS record layer OSCORE, more features X25519/Ed25519 support Multicast improvements http-cross-proxy, new proxy2 implemenation Bugfixes 2.5.0 November 2020 CoAPs Load Balancer based on DTLS CID Certificate-verifier supports new async mechanism
Release Plan Far Future (you never know ) Version Date Content 3.0.0-M1 December 2020 Just remove deprecated 3.0.0-M2 March 2021 Cleanup DTLS, remove addresses from inner functions. SessionCache? Persistent DTLS associations (Connections) for graceful shutdown? ??? 3.0.0-M3 DTLS 1.3? ???
Challenges IETF, DTLS 1.2 Connection ID discussion still seems to doze None conformant clients, e.g. nonconforming response for rejects long-term operation in dynamic networks without DTLS session management Too less people for too much wishes DTLS 1.3, CoAP over TCP SessionCache
Established Collaboration USB <<Gateway>> <<Protocol Adapter>> BT LE MQTT MQTT AMQP 1.0 WiFi HTTP <<Protocol Adapter>> AMQP 1.0 AMQP 1.0 CoAP(s) HTTP (?) AMQP 1.0 LAN Cloud
Established Collaboration HTTP-Proxy2 CoAP(s) LAN Cloud
