IP characteristics for 3G and WiFi links

Matthew Kaufman matthew at matthew.at
Thu Aug 26 12:54:50 CDT 2010


  On 8/26/2010 3:26 AM, Daniel Migault wrote:
> Currently we are considering the following values. Packet Lost Rate for L2
> seems 7% for Wifi and 5% for 3G. We are wondering how L3 is affected?
WiFi (802.11) uses ARQ to emulate a layer 2 network that has much much 
lower loss than this (otherwise TCP really wouldn't work over it). I 
suspect 3G is similar. So both these numbers are highly suspect.

Matthew Kaufman




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