if the statement "I concluded that this is not allowed when using a non LAN connection." were true, all RTP apps would fail on 3G networks. but most if not all of them seem working well.
meanwhile, servers requiring *persistent tcp connections* may have scalability issue. On Jul 1, 3:18 pm, Miguel Morales <[email protected]> wrote: > I was never able to receive udp packets from my server onto my phone > that's connected a 3G network. > I concluded that this is not allowed when using a non LAN connection. > Phone to phone TCP works from what I've heard, but frankly I don't see > the advantages unless your game REALLY needs it. > > What works for me is of course having all players communicate via a > common server and try to have the latency as low as possible. > > There was a thread about this where I gave my two cents and > experience. I use a combination of perl, erlang/rabbitmq, and java. > You can find the thread > here:http://groups.google.com/group/android-developers/browse_thread/threa...http://groups.google.com/group/android-developers/browse_thread/threa... > > Miguel. > > > > > > On Thu, Jul 1, 2010 at 9:40 AM, HeHe <[email protected]> wrote: > > i would suggest that you try udp with your app because, against the > > same well-designed nat, often a very good tcp "hole punch" technique > > has a much higher failure rate than a fair udp one. > > > On Jul 1, 8:44 am, WuffIT Tech <[email protected]> wrote: > >> I understand that the IP is subject to change but that is not my > >> concern. If a connection is dropped, I can always send the other > >> phone my IP address and reconnect. I have come to the conclusion that > >> there is not a way to do this without actually using a third party > >> server. My question now is how should I implement this server. Any > >> good server examples out there that is similar to what I need? My > >> overall objective is to have a server that will route a message from > >> one phone to another like an IM program. > > >> On Jun 15, 5:47 am, Matthew Powers <[email protected]> wrote: > > >> > I would worry about your IP address changing as you move in and out of > >> > different networks, your IP address is not constant > > >> > On Thu, Jun 10, 2010 at 2:40 PM, WuffIT Tech <[email protected]> wrote: > >> > > Hi, > > >> > > I am new to this forum and I would like to throw out this question and > >> > > hopefully someone can point me in the right direction. I am developing > >> > > an Android application and I would like to setup a tcp/ip type of > >> > > connection between two Android phones using the 3G/Edge network. My > >> > > test version will establish a connection if I have both phones on a > >> > > lan using wifi but when I use T-Mobile's network a connection is not > >> > > established. Could this issue be a port or ip address? Thanks in > >> > > advance. > > >> > > -- > >> > > 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]<android-developers%2Bunsubs > >> > > [email protected]> > >> > > For more options, visit this group at > >> > >http://groups.google.com/group/android-developers?hl=en > > > -- > > 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 > > --http://developingthedream.blogspot.com/,http://diastrofunk.com,http://www.youtube.com/user/revoltingx, > ~Isaiah 55:8-9 -- 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

