Achim Kraus
Achim Kraus
I currently update my experimental Californium build-in cid load-balancer support. [Future Improvements](https://github.com/eclipse/californium/tree/wip_dtls_cid_cluster/demo-apps/cf-extplugtest-server#preview-of-future-improvements) One technique, to eliminate the 20% penalty of forwarding and backwarding the messages, is to not backward them,...
The 3.12.0 is released and available on [Maven Central](https://search.maven.org/search?q=g:org.eclipse.californium%20v:3.12.0) and the [Eclipse Repository](https://repo.eclipse.org/content/repositories/californium-releases/org/eclipse/californium). The tools and actinium are also available on the [Eclipse Repository](https://repo.eclipse.org/content/repositories/californium-releases/org/eclipse/californium) only.
300MB, are you sure? And that in 256 bytes blocks? CoAP refers to "Constraint ...". I don't have experience with that, I would not use CoAP for 300MB files. The...
> Do you know the largest possible file size I can transfer stably? Or the size of the commons transfers? There maybe very different experience on that. I myself, using...
The issue with random MID collisions on restart after a blockwise transfer depends on the used "endpoint identity". E.g. if the ip-address/port is used, then it depends on client port...
I assume, that a 300MB transfer is not too frequently used. And without experience it's hard to be helpful on this topic. Therefore I would prefer to close it.
First at all, the observe/notification is defined in [RFC7641](https://www.rfc-editor.org/rfc/rfc7641.html). There in [4.5 Server-Side Requirements - Transmission](https://www.rfc-editor.org/rfc/rfc7641.html#section-4.5): > The client's acknowledgement of a confirmable notification signals > that the client is...
> Client is stopped What does that mean? Stop the java engine?
> Is there a way to know, when an notification related exchange has completed, either successfully or by timing out? Do you mean, the transmission of the notification? Then try...
I guess, no one cared in the past 10 years about observe/notify and start/stop ;-). > In this situation, do you still think that the in-progress notification should be cleaned...