Re: bandwidth throttling LTSP machines.
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On 06-10-2004 21:12, Ralf Gesel|ensetter wrote:
| hi
|
| Am Mittwoch, 6. Oktober 2004 20:40 schrieb Jonas Smedegaard:
|
|>support distributing bandwidth
|
|
| Reading this I wonder to what extend this distribution can be done by
| the switch. Modern switches are highly configurable, I do know that you
| can higher priority to specific outlets (ports) or subdivide the net
| into virtual subnets (vlan).
WRR automagically shares network ressources (bandwidth) evenly between
IP numbers, instead (as is normal behaviour of TCP/IP) evenly between
processes.
It is done by tracking the number of IP's actively in need of bandwidth
and dynamically lowering the priority of request from IP's using more
than their fair share.
As a result, one or a few machines can consume all bandwidth, but as
soon as others want any (large or small) part of it, bandwidth is
limited. Bursts are not limited.
You tell me if that is interesting here, and if it is doable by other means.
WRR was developed by administrators of dormitory networks in Copenhagen
Denmark, to fairly handle very sparse Internet access between geeks and
small-time Internet users.
~ - Jonas
- --
* Jonas Smedegaard - idealist og Internet-arkitekt
* Tlf.: +45 40843136 Website: http://dr.jones.dk/
~ - Enden er nær: http://www.shibumi.org/eoti.htm
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