[pox-dev] Running multiple modules using PoX controller for a single data center topology

[david jhon]

Hi Lucas, Thanks a lot for your valuable suggestion, I have collected port
stats from all ports of all switches and stored the stats in the following
way:

if sw_name not in portstats:
   portstats = {'switch_name' : {'port_number' : 'tx_bytes'}, 'h2' :
{}...............}

But I am not getting exactly how do I calculate increments by taking
difference between previous and current tx_bytes on ports. As I read
somewhere that by calculating increment in tx_bytes, link load can be
calculated. Could you please guide me in this regard. Thanking you in
advance.

Kind Regards,

On Tue, May 5, 2015 at 5:25 PM, Lucas Brasilino <lrbbs at cin.ufpe.br> wrote:

> Hi David,
>
> To collect port data, such as number of bytes, take a look at OF
> 'Port-status" message, which in Pox it is implemented by the '
> 'ofp_stats_request' class. At wiki
> there is a example about it.
>
> --
> Att
> Lucas Brasilino
> MSc Student @ Federal University of Pernambuco (UFPE) / Brazil
> twitter: @lucas_brasilino
>
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