On 06/09/2008 12:27 AM, JabberForum wrote: > Peter Saint-Andre;727 Wrote: >> On 06/03/2008 1:15 AM, JabberForum >> wrote:[color=blue][color=green][color=darkred] >> If a client disconnected ungracefully, it will send nothing, so the >> server will need to poll the TCP connection periodically (if the >> connection is idle); this is typically done using so-called >> "whitespace >> pings" as described here: >> >> http://tinyurl.com/6kjqwt >> >> > > Thanks Peter for the comments. The RFC states that the TCP polling > interval is configurable. > > <snip> > The time between such "whitespace pings" is a matter of implementation > and local service policy; however, it is RECOMMENDED that these pings be > sent not more than once every 60 seconds. > </snip> > > Is there a default polling interval ?.. or is that also dependent on > the xmpp server implementation?
That depends on the server implementation. > I have been working with Jabber XCP server and i only found a "polling > director" component which has a session timeout field which is nothing > but ---> "the number of seconds after which the server terminates the > session if the client has not sent a poll request." > > I think this is purely at (the higher) xmpp level and does not talk > about TCP polling, or does it ..? This is probably a whitespace ping at the TCP level (not an "XMPP Ping" via XEP-01999), but you could contact the Jabber XCP developers for further information. Peter -- Peter Saint-Andre https://stpeter.im/
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