Re: WFQ

If the packet sizes are different the SNs will be different .

SN = Previous SN + (weight * packet size)
where weight = 32384/(IP Prec +1)

Since, SN is directly proportional to packet size , WFQ will prefer flows
with smaller packet size .

HTH,
Ravi
On Fri, Jan 15, 2010 at 5:38 AM, Gaurav Thukral <pearlgaurav_at_gmail.com>wrote:

> Hi Guys,
>
> The WFQ scheduler takes the packet with lowest SN ( sequence number) among
> all the queues & move it to the hardware queue.
>
> My question is suppose i have have two flows with same Precedence 0 but
> different packet lengths (1000 byte & 500 byte) each having one packet.
> Suppose both packets have same SN. Now which packet will dequeued first &
> why?
>
> Regards,
> Gaurav
>
>
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Received on Fri Jan 15 2010 - 07:49:58 ART