[Asterisk-Users] VoIP experiences with Cable and DSL

Chris cshaw59 at comcast.net
Tue Aug 3 19:48:13 MST 2004


----- Original Message ----- 
From: "Steve Szmidt" <steve at szmidt.org>
To: <asterisk-users at lists.digium.com>
Sent: Tuesday, August 03, 2004 7:04 PM
Subject: Re: [Asterisk-Users] VoIP experiences with Cable and DSL


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On Tuesday 03 August 2004 09:47 pm, Chris wrote:
>
> The thing that really kills you on the ISP end is RED... it may be great
> for large traffic but it just KILLS voip... and there's not thing 1 you
the
> customer can do about it...  :(

Assuming you're talking about Random Early Detection, are you saying that
all
cable providers use it?

No, not saying that, just that since it's so CPU friendly and can handle
large bandwidth, it's an attractive choice... however because VoIP packets
are so tiny and very latency sensitive, RED is their worst nightmare :(

    -Chris




More information about the asterisk-users mailing list