My phone seems to get an IP from T-mobile which is not an RFC1918 address, and which I am therefore guessing *may* be routable.
I have a little more code to write and I will have an answer on that. Does anyone else already know the answer? On Wed, Nov 26, 2008 at 6:26 PM, Mark Murphy <[EMAIL PROTECTED]> wrote: > >> If I open a datagram socket to listen on a particular UDP port and >> leave it open but don't send anything, does that keep the radio on? >> >> If a listening socket doesn't keep the radio on, then an application >> could send a couple packets to register it's IP and port and then shut >> up and wait for incoming requests. >> >> Thoughts? > > I doubt there's a unique IP address per phone on a carrier data network -- > it feels like too many addresses would be needed. It's probably NATted or > the equivalent. Hence, I'm not convinced a phone can serve as a server > (TCP or UDP) without help, a la P2P NAT-traversal systems. > > But, then again, I've certainly been wrong before... > > -- > Mark Murphy (a Commons Guy) > http://commonsware.com > _The Busy Coder's Guide to Android Development_ Version 1.4 Published! > > > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
