Robert, Thanks again for clarifying. Basically if I open up GCM I'm allowing user to work with gtalk, so I will want to avoid that. Looks like sending the heartbeat every 5 minutes is the only option I have left.
Thanks for the help. Much appreciated. Cheers On 21 December 2012 15:44, Robert Greenwalt <rgreenw...@google.com> wrote: > I believe most of the google apps rely on GCM (calendar, gmail, contacts, > talk, etc), also 3rd party apps that need pushed notifications are > encouraged to use GCM. Unless you are making a custom build and denying > app installs you probably have apps that will be broken without GCM. > > Of course, if you have very limited data plans on special purpose phones, > you may wish for all those apps to be broken - they can use quite a bit of > data. > > I don't know what GCM's steady-state data rate is for a device. I believe > it does a carrier keep-alive ping every 20-30 minutes. It also checks for > updates whenever the screen comes on. Other than that I think it is > dependent on user or network-originating app traffic. > > R > > > On Fri, Dec 21, 2012 at 2:23 AM, Goncalo Oliveira <gonc...@minkan.net>wrote: > >> Robert, >> >> Thank you for the explanation. There's just one more thing that I'd like >> you to help me understand. If we choose to allow the GCM connection, what >> kind of traffic can we expect to have? Like I said previously, we have a >> very tight data plan, so if the GCM connection adds more than just a few >> bytes, that might be a bad idea to enable it. Also, by enabling GCM >> connection, what am I allowing the users to do? Can they use gtalk or >> something else? >> >> Cheers >> >> >> On 21 December 2012 00:17, Robert Greenwalt <rgreenw...@google.com>wrote: >> >>> >>> The GCM is part of the platform - 3rd party apps depend on it and so >>> there's no mechanism for deactivating it. >>> >>> If you can allow the GCM connection to succeed, you should avoid the >>> current problems, but if you're going for a secure platform you may not >>> want the GCM connection to succeed. >>> >>> You could potentially hijack the dns resolution: have your dns server >>> report an address you control for mtalk.google.com, then allow >>> connections to your own server, but no real functionallity. With some >>> reverse engineering you may be able to get to a quiet connection that >>> doesn't trigger these data-stall triggers. >>> >>> The easiest solution is to adjust your keep-alive ping to < 6 minutes. >>> That will effect the battery, but less than allowing the resets to happen. >>> >>> I have created internal issues to examine this issue, but even if we >>> fixed it today internally you wouldn't see it for a long while. The first >>> issue is to find what traffic is causing this connection reset. The second >>> is to re-eval counting udp packets (I am assuming that's causing part of >>> this problem). >>> >>> I'm sorry you have hit this issue. >>> >>> Robert >>> >>> >>> On Thu, Dec 20, 2012 at 4:30 AM, Goncalo Oliveira <gonc...@minkan.net>wrote: >>> >>>> Robert, >>>> >>>> Any updates on this? >>>> >>>> Cheers >>>> >>>> >>>> On 18 December 2012 10:06, Goncalo Oliveira <gonc...@minkan.net> wrote: >>>> >>>>> consider opening up the addre >>>> >>>> >>>> >>>> >>>> -- >>>> Gonçalo Oliveira >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "Android Developers" group. >>>> To post to this group, send email to >>>> android-developers@googlegroups.com >>>> To unsubscribe from this group, send email to >>>> android-developers+unsubscr...@googlegroups.com >>>> 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 android-developers@googlegroups.com >>> To unsubscribe from this group, send email to >>> android-developers+unsubscr...@googlegroups.com >>> For more options, visit this group at >>> http://groups.google.com/group/android-developers?hl=en >>> >> >> >> >> -- >> Gonçalo Oliveira >> >> -- >> You received this message because you are subscribed to the Google >> Groups "Android Developers" group. >> To post to this group, send email to android-developers@googlegroups.com >> To unsubscribe from this group, send email to >> android-developers+unsubscr...@googlegroups.com >> 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 android-developers@googlegroups.com > To unsubscribe from this group, send email to > android-developers+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > -- Gonçalo Oliveira -- You received this message because you are subscribed to the Google Groups "Android Developers" group. 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