[Standards] mobile optimizations (was: Re: Google Androïd SDK not XMPP compliant ?)

Fletcher, Boyd C. CIV US USJFCOM JFL J9935 Boyd.Fletcher at je.jfcom.mil
Thu Feb 14 21:26:44 UTC 2008

+1 for the fast reconnect

On 2/14/08 3:08 PM, "Peter Saint-Andre" <stpeter at stpeter.im> wrote:

> Dave Cridland wrote:
>> I'm aware that there are several mobile client developers present - if
>> there's any good to be found here, a concrete proposal for mobile XMPP
>> would be an excellent step forward.
> Sounds like a good topic of discussion at the devcon next week.
>> I'm assuming that XEP-0138,
>> XEP-0198, and probably some sort of roster optimization would all be
>> useful, for example, but best practises for servers aiming to optimize
>> for mobile clients (perhaps by buffering the initial presence surge to
>> gain better compression, for example) would be useful too.
> Here's a list of things we might talk about:
> 1. Recommendations regarding when to use the TCP binding and when to use
> the HTTP binding (BOSH).
> 2. Compression via TLS or XEP-0138 (use it!). Also binary XML as a
> compression mechanism.
> 3. Fast reconnect to avoid TLS+SASL+resource-binding packets.
> 4. ETags for roster-get (see XEP-0150, let's resurrect that).
> 5. Advisability of presence-only connections (no roster-get, just send
> presence and whatever you receive is nice).
> Anything else?
> Peter
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