Dear Robert,

Does pppd (point to point daemon) always comes into picture when browsing 
internet using radio modem or 3G USB data card.

On Friday, June 21, 2013 11:43:09 AM UTC+5:30, rishi gupta wrote:
>
> Thank you Robert, I am going through code to understand deeply what you 
> have said.
> You made my weekend :)
>
> On Thursday, June 20, 2013 10:24:25 PM UTC+5:30, Robert Greenwalt wrote:
>>
>> Both wifi and mobile data present network devices to the kernel. 
>>  ConnectivityService decides relative priority and by default will tear 
>> down mobile if wifi is present leaving you with only one connection at a 
>> time.  A default route is added for the given interface and packets are 
>> routed normally.  The OEMs radio driver is responsible for passing those 
>> packets back and forth to the cellular radio for transmission to the 
>> carriers infrastructure.
>>
>>
>> On Thu, Jun 20, 2013 at 3:59 AM, rishi gupta <gup...@gmail.com> wrote:
>>
>>> Hi everyone,
>>>
>>> Using browser app, when I visit a website say www.xyz.com, using Wifi 
>>> the webpage loads. This I can comprehend how it happens. But what I wanted 
>>> to know is when WiFi is off and Mobile data (3G) is on, how does the same 
>>> browser application request gets routed. Where does the switch happens. 
>>> Where decision is made to which network to use.
>>>
>>> Any source link ?
>>>
>>> I have explored config.xml and other RIL and WiFi related things.
>>>
>>> -- 
>>> -- 
>>> unsubscribe: android-porti...@googlegroups.com
>>> website: http://groups.google.com/group/android-porting
>>>  
>>> --- 
>>> You received this message because you are subscribed to the Google 
>>> Groups "android-porting" group.
>>> To unsubscribe from this group and stop receiving emails from it, send 
>>> an email to android-porti...@googlegroups.com.
>>> For more options, visit https://groups.google.com/groups/opt_out.
>>>  
>>>  
>>>
>>
>>

-- 
-- 
unsubscribe: android-porting+unsubscr...@googlegroups.com
website: http://groups.google.com/group/android-porting

--- 
You received this message because you are subscribed to the Google Groups 
"android-porting" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to android-porting+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/groups/opt_out.

Reply via email to