Im no techo but I think this is might help Have a look at icefaces.org if you can work out how to do it and whats required from tomcat side (NIO etc) please let me know :)
> > ----- Original Message ----- > From: "Kees Jan Koster" <[EMAIL PROTECTED]> > To: "Tomcat Users List" <users@tomcat.apache.org> > Sent: Monday, October 06, 2008 9:22 PM > Subject: Re: Using tomcat to hold many open connections. > > >> Dear Uprooter, >> >>> I'm looking for a server that has to hold many (web services) remote >>> clients >>> for controlling them. >>> I want to do things like sending power off command to a bunch of >>> machines >>> remotely. >> >> Building a botnet? :-) >> >>> The clients are usually windows machines behind firewalls NAT or web >>> proxies that only allow HTTP (this is why I thought of webservices) >>> >>> The regular request-response fashion that servlet follows is not >>> suitable >>> here since the initiator of the operation is the server. >>> What can I do in order to solve this and still use web services? >> >> If you have the resources, you can just block in the servlet on your >> server. It's pretty expensive since Tomcat uses a thread per request I >> believe. Java threads are expensive (256kB each?), so that adds up >> quickly. You could spend some time tuning your thread stacks, though. >> Depending on your actual number of clients, you should be able to get >> this to work with a few GB of RAM. >> >> But then, 20K client polling once an hour might be cheaper. You may >> want >> to find a way to stagger the requests though. >> >> -- >> Kees Jan > > Yes Kees exactly... this is why I say "engineer it"... these guys find a > hammer, and then everything look like a nail... ha ha > Without more details we cant engineer it... but I do think, web services > are > not the right tool, at most an addendum, not the core... and that there > are > two distinct processes at work, web side and machine side... they > interface > but cant be combined... to do this right, you got to be a good general > coder... > > --------------------------------------------------------------------------- > HARBOR : http://www.kewlstuff.co.za/index.htm > The most powerful application server on earth. > The only real POJO Application Server. > See it in Action : http://www.kewlstuff.co.za/cd_tut_swf/whatisejb1.htm > --------------------------------------------------------------------------- > > > --------------------------------------------------------------------- > To start a new topic, e-mail: users@tomcat.apache.org > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > --------------------------------------------------------------------- To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
