QOS

[Wichert Akkerman]

I can highly recommend using the wondershaper (see
http://lartc.org/wondershaper/) in on your uplink in front of CoovaChilli.

Wichert.

On 2009-9-22 10:00, wlanmac wrote:
> You could use the conup/down scripts to automatically do some tc work.
> Adding packet prioritization isn't something that we've planned on
> doing... I think it's better for another device to do the shaping. What
> chilli could do, however, rather easily is set a QoS flag in packets to
> have an upstream QoS device prioritize some users over others.
>
> On Sun, 2009-09-20 at 20:46 +0200, Oliver Hinckel wrote:
>> Hello,
>>
>> we're using CoovaChilli to provide our customer Internet access with
>> different bandwidth. It works quite good, but we still miss one feature:
>> QOS.
>>
>> AFAIK, CoovaChilli does the bandwidth handing with just dropping packets
>> when the bandwidth limit is reached. This has the following drawbacks:
>>
>> 1. the client needs to retransmit the packet again when it was dropped,
>> which increase the traffic in the network and decrease the performance
>> (especially when using wireless access points the WLAN is transmitting
>> much more traffic than it realls needs and the load of the WLAN is
>> higher than it needs).
>>
>> 2. there's no way to priorize special traffic to avoid packet loss when
>> bandwidth is reached (e.g. when downloading something via FTP the VoIP
>> traffic should not be dropped, better the FTP traffic should be dropped
>> to keep the VoIP with stable quality).
>>
>> Using tc on the clients router would be one solution to configure QOS,
>> but a) we don't want to configure each client router with tc (too much
>> work) and b) some client are connected directly with a notebook and we
>> don't have access to them to configure the bandwidth.
>>
>> So the question is, is there any posibility to configure CoovaChilli to
>> priorize some traffic and drop other traffic of on client if the
>> bandwidth is reached? And it doesn't seem that CoovaChilli does some
>> packet queueing to do some QOS stuff. Is it planned to be included in
>> next releases? Or is there any other solution to setup QOS in
>> combination with CoovaChilli?
>>
>> Thanks for any answer!
>>
>> Regards
>> Olli
>>
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>
>
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-- 
Wichert Akkerman <wichert at wiggy.net>   It is simple to make things.
http://www.wiggy.net/                  It is hard to make things simple.