Re: leaky bucket on bursty multicast

Linux Advanced Routing and Traffic Control

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Oivind wrote:
On 3/1/06, Andy Furniss <andy.furniss@xxxxxxxxxxxxx> wrote:

Oivind wrote:

Hi all,
I have an average 2mbit multicast stream that once in a while bursts
high (up to 20mbit/s) in short periods (about 200ms). Could anyone
please help me with directions using tc for configuing leaky bucket
shaping to this stream? I have a 5mbit/s ceiling.

My system is running gentoo linux 2.6.14, and I have compiled in all
QoS modules.

I suppose it depends what you want to do with the burst ie. propogate it
,smooth it without loss or drop packets to maintain  a rate.


I would like to smooth the bursts out at the ceiling bandwidth without
any packet drops (unless an unacceptable lengthy burst of course).

Sorry for not replying earlier, I lost this one.

What you want should be OK with htb/tbf/hfsc ratelimiting at 5meg - just choose a leaf queue/buffer length that can absorb the burst.

Andy.
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