* [LARTC] Load-based packet dropping
@ 2002-05-20 17:21 Michael T. Babcock
2002-05-20 17:59 ` Patrick McHardy
0 siblings, 1 reply; 2+ messages in thread
From: Michael T. Babcock @ 2002-05-20 17:21 UTC (permalink / raw)
To: lartc
Has anyone seen / considered a simple queue that would drop packets on
the basis of machine load?
I'd like to tail-drop packets from specific queues if the machine load
is very high, instead of letting them build up ...
... it might make for a good DOS-prevention method too.
--
Michael T. Babcock
CTO, FibreSpeed Ltd.
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* Re: [LARTC] Load-based packet dropping
2002-05-20 17:21 [LARTC] Load-based packet dropping Michael T. Babcock
@ 2002-05-20 17:59 ` Patrick McHardy
0 siblings, 0 replies; 2+ messages in thread
From: Patrick McHardy @ 2002-05-20 17:59 UTC (permalink / raw)
To: lartc
Hi.
Michael T. Babcock wrote:
> Has anyone seen / considered a simple queue that would drop packets on
> the basis of machine load?
>
> I'd like to tail-drop packets from specific queues if the machine load
> is very high, instead of letting them build up ...
>
> ... it might make for a good DOS-prevention method too.
Hmm i don't think so. Queueing is done just before hardware
transmission, so (almost) all processing has already being done at this
point. Also since you only queue packets you're sending you could only
protect other machines, but then you don't know their load ...
Patrick
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2002-05-20 17:21 [LARTC] Load-based packet dropping Michael T. Babcock
2002-05-20 17:59 ` Patrick McHardy
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