[LARTC] HTB has 2 bucket?
Martin A. Brown
martin at linux-ip.net
Fri Oct 13 14:56:02 CEST 2006
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Greetinsg Thossapron,
: in HTB use 2 bucket for manage 2 rate??? first bucket -> keep
: token for sending with rate second bucket -> keep ctoken for
: sending with ceil rate Is it true?? may be i'm misunderstand
: about token/bucket thoery
Yes, there are two different buckets used. One bucket is for
tokens, another bucket is for ctokens. Brief picture of
association of parameters:
rate: burst, tokens
ceil: cburst, ctokens
See the upper right corner of this diagram [0]. In particular, I
should warn you that the SFQ qdisc in this diagram is the one which
is granted the dequeue opportunity, so although packets mostly flow
from left to right in this diagram, the SFQ is displayed to the left
of the HTB rate/ceil buckets, even though logically this is
reversed.
Good luck,
- -Martin
[0] http://linux-ip.net/traffic-control/htb-class.png
- --
Martin A. Brown
http://linux-ip.net/
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