On Thu, Apr 7, 2011 at 7:45 AM, Joe Hildebrand <joe.hildebr...@webex.com> wrote: > On 4/7/11 7:53 AM, "Kevin Smith" <ke...@kismith.co.uk> wrote: > >>> We also need to get the "only send me updates sense the last time I was >>> online at time X (UTC)" extension increased in priority. >> >> Oh, right. For that, I think we just want pubsub nodes to expose MAM. > > MAM? Please parse.
Sorry, Matt's new XEP-0136bis spec. > I was talking about: > > <presence> > <x xmlns='this is my first presence of this session' > time='this was the last time I was online, and I cached all important > state'/> > </presence> > > This is a hint to PEP implicit subs that they can take the time, back up > some for clock skew, and only send me things that have changed since. > > If it is copied into the presence probes, it can also reduce presence storms > on brief logouts (i.e. for sessions not using -198) as well as optimize > SIFT. Ah. The problem here being that you can't use timestamps as UIDs, right? /K
