>>>>> "Michael" == Michael Nachbaur <[EMAIL PROTECTED]> writes:
Michael> This is off-topic, but I need an answer pretty quick, and I
Michael> *am* writing this app using mod_perl, so its sorta related
Michael> (also, I don't want the headache of re-subscribing to a new
Michael> list).
Michael> You know those online web-based tech support chat systems?
Michael> Its commonly frame based, but its just like IRC, but over
Michael> HTML. when a user posts a message it immediatly pops up on
Michael> the chat frame, and you submit your message through a
Michael> regular-ol' HTML form. I don't think this is an applet,
Michael> because this works in all sorts of browsers. I think its
Michael> javascript, but I'm not sure. My main question, is when the
Michael> server knows that a new message has been posted, how does it
Michael> push that new page out to the client web browser? I'm used
Michael> to all page-views originating from the client...not the
Michael> server.
Michael> Any ideas?
Server push is not universal. Client Pull is more available.
See <http://www.perlmonks.org/index.pl?node_id=31083> for an example
of a very short client-pull webchat, from an upcoming WebTechniques
column (past columns at <http://www.stonehenge.com/merlyn/WebTechniques/>).
--
Randal L. Schwartz - Stonehenge Consulting Services, Inc. - +1 503 777 0095
<[EMAIL PROTECTED]> <URL:http://www.stonehenge.com/merlyn/>
Perl/Unix/security consulting, Technical writing, Comedy, etc. etc.
See PerlTraining.Stonehenge.com for onsite and open-enrollment Perl training!
