Re: [LARTC] dynamic bandwidth allocation

[Andy Furniss <andy.furniss@dsl.pipex.com>]

Ashling O'Driscoll wrote:
> Hi,
> 
> Hope someone can help me. I am a student who hass been given a
> project to develop a dynamic bandwidth service.
> 
> I currently have a linux router which at the moment gives users
> static bandwidth and assigns each of them to a bucket. I have not
> gotten information yet as to whether each bucket is serviced in a
> round robin fashion or whether certain buckets get preferential
> treatment (i.e. bucket 1 service 60% as opposed to bucket 2 40%).
> 
> I need to implement dynamic bandwidth/traffic shaping based on
> certain types of traffic/applications e.g.voice or based on
> particluar users. So basically if voice traffic is being delayed and
> not getting through,the bandwidth should be dynamically adjusted to
> accommodate this and then readjusted once the problem is resolved.
> 
> I have researched the iproute 2 package,tc, packet priorities, tos
> bytes, queues etc the last few days but I am actually confused at
> this stage by all the information. I have also come across a
> scripting tool called "pacemaker" from st josephs university in
> america which seems "close" to what I want but not quite it. 
> 
> If anyone could offer me advice on how I should approach this,
> whether it's "do-able" and an estimation of what kind of task Im
> undertaking i.e. how difficult and how much time this might take, I
> would be VERY grateful. As I have not worked in industry before and
> am not very familiar with linux, I dont know how possible/difficult
> this project is or even how to approach it.
> 

Have a look at HTB or HFSC, HFSC is quite new so you won't find as many 
examples.

http://www.docum.org

http://luxik.cdi.cz/~devik/qos/htb/manual/userg.htm

Andy.


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