[Asterisk-Users] Priorizing of packets

[Thomas Heiss]

I am using ISDN 64k + VOIP (iLBC, G729, GSM codecs only!) + bulk traffic
(FTP, P2P, E-Mail, etc.).

I am using tc, HTB 3.6 + finer tuned wshaper script.

It works pretty well for me.
The callee never misses any VOIP packet from my side.

So I guess HTB + QOS works pretty well, even for VOIP.
I use a VOIP only queue and all queues with fixed rates + correct ceil
values.

I never have tested CBQ yet so I can't tell you, if CBQ outperformes HTB on
VOIP queuing.

Blackvel

----- Original Message -----
From: "Dr. Rich Murphey" <rich at WhiteOakLabs.com>
To: <asterisk-users at lists.digium.com>
Sent: Saturday, July 24, 2004 1:56 AM
Subject: RE: [Asterisk-Users] Priorizing of packets


> > [mailto:asterisk-users-admin at lists.digium.com] On Behalf Of Chris Shaw
> >
> > ----- Original Message -----
> > From: "Dr. Rich Murphey" <rich at WhiteOakLabs.com>
> > To: <asterisk-users at lists.digium.com>
> > Sent: Friday, July 23, 2004 1:28 PM
> > Subject: RE: [Asterisk-Users] Priorizing of packets
> >
> >
> > > Can HTB minimize latency better than CBQ?
> > >
> > > Just curious,
> > > Rich
> >
> > Hmm I've had problems using HTB, it seems to make voice
> > quality a lot worse than with a well tuned CBQ.... Maybe I'm
> > just using it wrong?
> >
> >     -Chris
>
> Yea, lag is the only issue I've observed with CBQ, and most papers point
to
> solutions that involve management (lowering) of MTU of the non-voip
packets.
> There doesn't seem to be any open source for that yet.
>
> Cheers,
> Rich
>
>
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