<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> <HTML> <HEAD> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1"> <META NAME="Generator" CONTENT="MS Exchange Server version 5.5.2653.12"> <TITLE>RE: [JDEV] Distributed design of jabber</TITLE> </HEAD> <BODY> temas, Any chance you could give us a quick run-down of what dpsm does and how it should be used?  I scanned the source and such, but it would be nice to get a clear picture from the author about it :) colin > -----Original Message----- > From: temas [<A HREF="mailto:temas@box5.net">mailto:temas@box5.net</A>] > Sent: Wednesday, May 02, 2001 1:22 PM > To: jdev@jabber.org > Subject: RE: [JDEV] Distributed design of jabber > > > dpsm is me.  It works right now (requires kernel module for devpoll > support).  It's not fully tested, but that should be > happening more this > week.  Give it a go and help develop it and I'll love you =) > > Not sure on mod_farm right now, haven't looked in a while. > > --temas > > On 02 May 2001 09:56:50 -0500, Colin Madere wrote: > > Another note: > > > > According to jabber.com, they charge based on concurrent > users on the > > server.  Currently they are in a state which it is not > profitable for them > > to deal with small companies(they didn't really give me a number) or > > companies that did not have a _gaurenteed_ high number of > concurrent users. > > > > Going on three weeks now that I'm waiting for answers to > technical questions > > to see if the jabber.com server is a viable solution for my company. > > > > IOW, until they get some big sales and can beef up on > resources (read: more > > employees), I wouldn't waste your time or theirs unless you > have a need for > > a server (and can afford it - once again, I didn't get any > prices) that will > > have a constant concurrent user count above 10K (that's my > guess, since they > > didn't give me any solid numbers). > > > > (Don't get me wrong, I understand their need to focus on > customers that can > > bring in the big cash until they have good income and are > stabilized) > > > > WHILE I'm on the subject, hey JER and whoever else has > worked on it, what's > > the status of dpsm and.... 'mod_farm' is it? > > > > > -----Original Message----- > > > From: dizzyd@dizzyd.com [<A HREF="mailto:dizzyd@dizzyd.com">mailto:dizzyd@dizzyd.com</A>] > > > Sent: Wednesday, April 25, 2001 8:24 PM > > > To: jdev@jabber.org > > > Subject: Re: [JDEV] Distributed design of jabber > > > > > > > > > Lemme just translate this marketing stuff to engineering speak: > > > > > > > >"Enables Distributed Processing across multiple server > > > "farms" which in > > > > >  turn may support multiple CPUs." > > > > > > Jabber.com reworked the server to be pre-emptively multi-threaded > > > (pthreads). Additionally, some work on JSM was done to > permit multiple > > > JSMs to be fully meshed across a network. > > > > > > > >"Allows components of a Jabber server to be distributed > > > across multiple > > > > >  machines, enabling a greater degree of inherent redundancy." > > > > > > Not sure what this means. :) > > > > > > > >"Enables groups of "socket" connections to be > distributed across > > > > >mini-servers > > > > > > The component formerly known as jpoll. Open source now has an > > > equivalent called dspm (or dpsm, never can get it straight). > > > > > > As it stands, j.com has pretty much rewritten most of jabberd > > > to be super > > > efficient and thread-safe. This was _not_ a minor > undertaking, but was > > > well worth the effort. Jabber.com provides a super-fast, > fully QA'd > > > and peer-reviewed implementation of jabberd/jsm/etc. They've > > > worked very > > > hard to make it scalable and robust. :) Doing these sorts > of things > > > (scalability and robustness) have not been things that > the Open Source > > > movement has shown much interest in this far (with good > reason). Very > > > few people need to run a Jabber server for 200k+ concurrent users; > > > these are (some of) the people that Jabber.com caters to. > > > > > > Hope that helps. :) > > > > > > Diz > > > > > > _______________________________________________ > > > jdev mailing list > > > jdev@jabber.org > > > <A HREF="http://mailman.jabber.org/listinfo/jdev" TARGET="_blank">http://mailman.jabber.org/listinfo/jdev</A> > > > > > > _______________________________________________ > jdev mailing list > jdev@jabber.org > <A HREF="http://mailman.jabber.org/listinfo/jdev" TARGET="_blank">http://mailman.jabber.org/listinfo/jdev</A> > </BODY> </HTML>