I am creating some suspended connections to an HTTP server (comet, reverse AJAX, etc). It works ok, but I see the browser only allows two suspended connections to a given domain simultaneously. So if a user is looking at my website in Tab1 of their browser, then also tries loading it in Tab2, they've used up the two allowed connections to my site.
I think I can do some wildcard domain thing, where I have my HTTP server resolve any address to my site like:
*.example.com/webapp -> 192.0.2.1 (the actual ip of my server)
a.example.com/webapp b.example.com/webapp c.example.com/webapp
all still point to (
www.example.com/webapp) but the browser considers them different domains, so I don't run into the 2 connection limit. Is this true?
Even if that is true – is there any limit to the number of active connections per browser, across all domains? Say I use the scheme above – does Firefox for example only allow 24 parallel connections at any given time? Something like:
1) a.example.com/webapp 2) www.download.example/hugefile.zip 3) b.example.com/webapp 4) c.example.com/webapp ... 24) x.example.com/webapp 25) // Error - all 24 possible connections currently in use!
I just picked 24 connections/Firefox as an example.