[alcatel-nsp] 回复： what's the difference between policer and queue,IN QOS for al 7750-SR

[Mark Ivens]

On 05/08/2015 15:07, 小顺 wrote:
> sorry,subject is wrong,my question is
>  what's the difference between policer and queue,IN QOS for al 7750-SR
A policer is used to drop traffic exceeding a certain rate.

A queue is memory used to absorb bursts of packets.

A shaper (rather than a policer) uses a queue to store non-conforming
packets and attempts to de-queue them at a conforming rate.