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From: Andy Furniss <andy.furniss@dsl.pipex.com>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] leaky bucket on bursty multicast
Date: Fri, 07 Apr 2006 22:03:30 +0000	[thread overview]
Message-ID: <4436E1B2.8050907@dsl.pipex.com> (raw)
In-Reply-To: <ac81ed350602150442l2968563cm306cfea79f2c1138@mail.gmail.com>

Oivind wrote:
> On 3/1/06, Andy Furniss <andy.furniss@dsl.pipex.com> 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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  parent reply	other threads:[~2006-04-07 22:03 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-02-15 12:42 [LARTC] leaky bucket on bursty multicast Oivind
2006-03-01 21:03 ` Andy Furniss
2006-03-08 16:05 ` Oivind
2006-04-07 22:03 ` Andy Furniss [this message]
2006-05-24 11:18 ` Oivind

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