IP characteristics for 3G and WiFi links

Richard Barnes richard.barnes at gmail.com
Thu Aug 26 11:32:47 CDT 2010


On Thu, Aug 26, 2010 at 6:26 AM, Daniel Migault <mglt.biz at gmail.com> wrote:
> Hi,
>
> We are testing protocols on our lab platform and we would like to simulate
> communication 2 types of communication :
>   - From terminals to service platform using a 3G (HSPA / HSPA+) Access
> connection
>   - From terminal to service platform using a WiFi Access connection
>
> We are using dummyNet to simulate the links so we are interested  in IP
> characteristics layers for Packet loss Rate, bandwidth and latency. Values
> depends on multiple factors, but we would like to know what mean values are
> considered when services are deployed.
>
> 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?
>
>
> Parameter           | Wifi (802.11a/g) | 3G (HSDPA)
> Latency                100 ms               60 ms
> Bandwidth             5 Mbps               3 Mbps
> Packet Lost Rate   XXX                   XXX
>
>
> Any comment links will be appreciated.
>
> Regards,
> Daniel
> --
> Daniel Migault
> Orange Labs / Security Lab
> +33 (0) 1 45 29 60 52
> +33 (0) 6 70 72 69 58
>




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