Thanks Achim for sharing. This is an interesting development. Hope the iotivity cloud team will adopt/experiment with this approach.
On Mon, Apr 15, 2019 at 3:40 PM Achim Kraus <[email protected]> wrote: > Dear iotivity-dev list, > > searching in the web about the usage of CoAP for cloud scenarios, I > stumbled over your wiki https://wiki.iotivity.org/coapnativecloud. > Generally I appreciate the most on that page. But on one point, the > usage of "coap over tcp" instead of "coap over dtls", I would like to > add some more information about the recent development in DTLS of the > last months. > > Using DTLS 1.2 in cloud scenarios was a pain for long time. With NATs in > between, DTLS connections/peers-associations expired frequently after a > few seconds of quiet. With the introduction of a DTLS connection ID, > this has changed. The IETF TLS working-group has released the 4th draft > in the meantime (see > https://datatracker.ietf.org/doc/draft-ietf-tls-dtls-connection-id) and, > if no objection was raised, the TLS group will assign early code-point > for the values of that draft. The eclipse java open source project > californium (I’m one of the committers of this project) offers now since > several weeks a first implementation and we even managed to provide a > basic demonstration setup for a stateless load-balancer for DTL 1.2 > using that connection ID (see > > https://github.com/eclipse/californium/wiki/DTLS-1.2-connection-ID-based-load-balancer > ). > > So, may be you analyze again, if using "coap over DTLS" would not make > sense. From my view point, no other technique is able to provide a high > efficient, encrypted, mostly stateless, cloud-cluster-prepared > communication infrastructure. Not all components are “ready for > production” especially the demonstration load-balancer only demonstrates > the functionality. But that may be a part, where a Linux Foundation > Collaborative Project is much more closer to than a java library. > > Best regards > Achim Kraus > > > > -=-=-=-=-=-=-=-=-=-=-=- Links: You receive all messages sent to this group. View/Reply Online (#10207): https://lists.iotivity.org/g/iotivity-dev/message/10207 Mute This Topic: https://lists.iotivity.org/mt/31188187/21656 Group Owner: [email protected] Unsubscribe: https://lists.iotivity.org/g/iotivity-dev/unsub [[email protected]] -=-=-=-=-=-=-=-=-=-=-=-
