> My question is can this work on a local intranet? Eg, our intranet > server [for arguments sake] is 10.0.0.70, but the page needs to load a > remote php file (as this server is HTML only and I cannot change > this.) from the IP 10.0.0.75 to get the status of IT Support's > availability. The PHP file simply returns a number and nothing else > (no formatting, no JSON).
What is the advantage/necessity of *not* having DNS entries for these servers? If you just slapped up intranet.example.com and itsupport.example.com, you could pass such tiny data back using a simple cookie. No JSONP (or even any message-body) needed on the response. -- Sandy
