[50211] in North American Network Operators' Group
RE: PSINet/Cogent Latency
daemon@ATHENA.MIT.EDU (Phil Rosenthal)
Mon Jul 22 21:54:50 2002
Reply-To: <pr@isprime.com>
From: "Phil Rosenthal" <pr@isprime.com>
To: <nanog@merit.edu>
Date: Mon, 22 Jul 2002 21:54:17 -0400
In-Reply-To: <008801c231e9$525d9180$3324200a@sonicboom.org>
Errors-To: owner-nanog-outgoing@merit.edu
I call any upstream link 'over capacity' if either:
1) There is less than 50mb/s unused
2) The circuit is more than 50% in use
I guess by my definition a DS3 is always 'over capacity'
--Phil
-----Original Message-----
From: owner-nanog@merit.edu [mailto:owner-nanog@merit.edu] On Behalf Of
Brian
Sent: Monday, July 22, 2002 9:36 PM
To: pr@isprime.com; 'Alex Rubenstein'
Cc: nanog@merit.edu
Subject: Re: PSINet/Cogent Latency
bwahaha, 2 funnee. I gotta think most people would be thinking of
adding another ds3 at that point.
Bri
----- Original Message -----
From: "Phil Rosenthal" <pr@isprime.com>
To: "'Alex Rubenstein'" <alex@nac.net>
Cc: <nanog@merit.edu>
Sent: Monday, July 22, 2002 6:05 PM
Subject: RE: PSINet/Cogent Latency
>
> 40mb/s isn't "loaded" for a DS3?
>
> --Phil
>
> -----Original Message-----
> From: owner-nanog@merit.edu [mailto:owner-nanog@merit.edu] On Behalf
> Of Alex Rubenstein
> Sent: Monday, July 22, 2002 8:27 PM
> To: Derek Samford
> Cc: nanog@merit.edu
> Subject: Re: PSINet/Cogent Latency
>
>
>
>
> Yes, it's horrid. I've been peering with PSI for going on three years,
> and it's never been as bad as it is now.
>
> oddly enough, we see 30+ msec across a DS3 to them, which isn't that
> loaded (35 to 40 mb/s).
>
> Then, behind whatever we peer with, we see over 400 msec, with 50%
> loss, during business hours.
>
>
>
> On Mon, 22 Jul 2002, Derek Samford wrote:
>
> >
> > There was some mail being tossed around earlier about Cogent
> having
> > latency. I'm actually seeing this on PSINet (Now owned by
> > Cogent.) Is anyone else still seeing the latency they were
> > experiencing earlier?
> >
> > Derek
> >
>
> -- Alex Rubenstein, AR97, K2AHR, alex@nac.net, latency, Al Reuben --
> -- Net Access Corporation, 800-NET-ME-36, http://www.nac.net --
>
>
>
