Re: DRR, quantum_, maximum deficitCounter, and RED

[Sandeep Bajaj <bajaj@cisco.com>]

"In reply to Konstantinos Psounis :"
Kostantinos

> In other words I am wondering if the current implementation of
> DRR related classes supports different values of quantum (only one value
> supported?)

Only 1 value for all packet queues is supported

>and max_deficitCounter (this seems not to be supported at
> all?) for each DRR flow. If yes, how? (I need this info in order to be
> able to change the values dynamically and independently for each DRR
> flow).

max_deficitCounter is not supported

> Thank you,
> 
> PS I was also wondering whether RED(buffer management) and DRR(packet
> scheduler) can coexist, because it seems that they both are regarded as
> queue types and thus one can have only DRR with droptail from the
> longest DRR queue:
> $ns duplex-link $n0 $n1 1.0Mb 0.01ms DRR or
> $ns duplex-link $n0 $n1 1.0Mb 0.01ms RED ...

The only dropping mechanism that DRR support is longest tail drop.

Sandeep.