Re: Fair bandwidth oversubscribing ? How with HTB ?

Linux Advanced Routing and Traffic Control

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At 13:13 21/01/2004, Patrick McHardy wrote:
Santiago J. Ruano Rincón wrote:

try HFSC, Hierarchical Fair Service Curve:

http://trash.net/~kaber/hfsc
http://www-2.cs.cmu.edu/~hzhang/HFSC/

i'm going to test it in this week.


This should indeed work with HFSC if the custumer-classes have only links-haring service curves and no realtime service curves. The parent class would be limited with an upper-limit service curve. With link-sharing service curves, only the relative differences of virtual time on a level of the heirarchy are relevant, so there is no problem oversubscribing the parent class. the upper-limit service curve of the parent limits the total bandwidth, unlike the link-sharing curve it uses wall-clock time.

Best regards,
Patrick

PS: Please let me know if you are successful.

Hi,


I quickly looked at HFSC's page, but from what I see it is not in the standard kernel, so I'd like to see if HTB can do it first before trying HFSC as the machine is running 2.4.24 which has HTB built in. From some other replies it looks like HTB can do it.

Regards,
Simon

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