Cameron, If you can entertain free Java server (Jetty 7 would be our preference) you can get push over HTTP with very low latency and high scalability. We just completed implementation of Servlet 3 API that provides "native" push platform for BlazeDS. Hope this helps, Anatole Tartakovsky Farata Systems
On Fri, Jul 11, 2008 at 6:58 PM, Cameron <[EMAIL PROTECTED]> wrote: > I've got a flex app that needs to update data routinely (about once per > minute). The data is stored in a database on my server and there could > be several 10's to hundreds of users who are looking at the data > simultaneously via the flex app. The data is represented by colored dots > on a map. When the data changes, and it does about once per minute, I > basically need to update the color of one or potentially several > thousand objects on the map. I'd like for the changes to be seen by all > users at the same time (data push right?). I've seen a tutorial online > (the horse race one) about doing something similar, but it required the > Adobe Media Server on the server side. Is there a cheaper and better way > to do this using one of the open source AMF's out there? I've played > around with AMF::Perl, but it doesn't seem to have the data push > capability, only responds to requests as far as I can tell. Has anyone > done something like this? If so what did you use? I'm working with > Win2k3, IIS6, and SQL Express if that makes a difference. Currently, I > have a program running on the server creating an XML file with the color > of the objects as one of the attributes. My flex app routinely reloads > this file, but this is cumbersome as it has to reload all the objects > and all users of the app don't update simultaneously since the timers > all start at differnet times. Looking for some good advice and would be > willing to pay for expert help. > > Regards, > > Cameron > >
