Hi Kris, Have you considered using PubSubHubbub? If your 'clients' are other servers, this is exactly what it's designed for. If your clients are, eg, desktop apps, the XMPP solution is probably a good one, though realistically you probably want each client to have a separate account, and notify them individually.
-Nick Johnson -Nick Johnson On Mon, Oct 12, 2009 at 9:03 PM, Kris <krisajenk...@gmail.com> wrote: > > Can I bounce an idea off anyone who's interested? I'm looking for an > efficient way to get realtime updates to a large-ish number of client > apps, and I'm wondering if using App Engine+Google's Talk servers > might be the way to do it. > > I need to get timely messages to 100-5000 thousand clients, with > reasonable (99%?) reliability. I know I can do this with Google Talk > at a very small scale - if someone IMs me I'll get the message through > Gmail on one computer, iChat on another and Google Talk on my iPhone, > all at the same time. But that's just 3 clients on the same account. > Could this work at scale? > > Let's say I create an account - clients-of-kris-12...@gmail.com - and > have my all my client apps connect as that user. They're all coded to > listen for updates from their buddy - server-of-kris-54...@gmail.com - > which is part of my App Engine project. As far as I understand, > they'll all hear everything the server is announcing, roughly at the > same time. > > Does anyone know that this would/wouldn't work? And if it would work, > does anyone know the billing implications? I'd rather the App Engine > team billed me for 5000 messages and were happy to do so, than billed > me for one but felt I was abusing the system. > > > (Sorry - I realise this may be more of a Google Talk question than an > App Engine question. If anyone wants to point me to a low-level GTalk > forum instead, please do!) > > > > -- Nick Johnson, Developer Programs Engineer, App Engine Google Ireland Ltd. :: Registered in Dublin, Ireland, Registration Number: 368047 --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to google-appengine@googlegroups.com To unsubscribe from this group, send email to google-appengine+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en -~----------~----~----~----~------~----~------~--~---
