An anonymous reader writes "NTT DoCoMo has had enough of Android's effects on its mobile network in Japan. Following a service disruption due to Google's Android VoIP app, the company is now asking Google to look at reducing Android's data use. In particular, the amount of time allowed between control signals being sent either by official apps or 3rd party ones. Typically these occur as often as every 3 minutes, but scale that up to thousands of apps on millions of handsets and you can see the issue DoCoMo has. So, does DoCoMo need to invest more in its infrastructure, or is Android a data hog that needs reining in?"
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