[altq 70] Re: [Q] BufferManagementPolicyInALTQ

[Kenjiro Cho <kjc@csl.sony.co.jp>]

  > As a sample implementation, WFQ in ALTQ just tries a buffer management
  > policy different from CBQ.
  > - WFQ limits the total number of packets
  > - CBQ limits the number of packets per class
  > Limiting the number of packets per WFQ queue is also fine.
>> No.. I mean..
>> "Is there any advantage in implementing SFQ as common buffer pool?"

>> For example, existing many implementation use common buffer pool skill or
>> current FreeBSD network kernel architecture use common buffer pool, ....
>> etc...etc...

The operation is more expensive to limit the total number of packets
but it provides tighter bounds in memory consumption.
I don't see a compelling reason to use it in our WFQ, though.

-Kenjiro