[jdev] Message sending performance XEP-0124

Vaibhav Ranglani ranglani.vaibhav at gmail.com
Sat Jul 2 09:56:56 UTC 2016


Thanks for the inputs Florian.

This question is then related to the deployment side. Should I proxy the
nginx server to ejabberd port 5222? If yes, then can somebody point to a
post where this has been explained?

Also wouldn't directly exposing port 5222 to the internet cause security
concerns?

Thanks
Vaibhav

On Sat, Jul 2, 2016 at 3:18 PM, Florian Schmaus <flo at geekplace.eu> wrote:

> On 01.07.2016 16:22, Marcel Waldvogel wrote:
> > For reliability requirements over wireless connections: don't use BOSH;
> > do use Stream Management (XEP-0198)
>
> Exactly. And if you want the BOSH advantage over XMPP's TCP binding,
> i.e., using standard HTTP(S) ports, then use XMPP's WebSocket binding
> (RFC 7395) + Stream Management.
>
> Some background to this thread:
> https://community.igniterealtime.org/message/258562#comment-258562
>
> I have not much experience with BOSH as I don't/seldom use it. I've
> merged Smack's BOSH branch when I took over Smack and fixed a few
> things, but the code should be considered unmaintained.
>
> I wonder if BOSH is suitable for mobile environments. In my experience
> those environments require being able to check the underlying TCP
> connection for liveness, which is not trivial when using BOSH I imagine.
> Using the BOSH Technique in mobile environments could cause serious UX
> issues if the first connection hangs in the long-polling state because
> the TCP connection broke down silently.
>
> WebSocket doesn't have this issues, and provides the same feature set as
> BOSH when used with Stream Management. I think it is the future and that
> there is no real reason, besides implementation availability, to use
> BOSH any more. Sadly there is no support for XMPP over WebSocket in
> Smack (yet).
>
> - Florian
>
>
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