[157944] in North American Network Operators' Group
Re: MPLS acceptable latency?
daemon@ATHENA.MIT.EDU (Randy)
Thu Nov 15 17:06:27 2012
Date: Thu, 15 Nov 2012 14:06:03 -0800 (PST)
From: Randy <randy_94108@yahoo.com>
To: William Herrin <bill@herrin.us>
In-Reply-To: <CAP-guGWaOH8jjancYoi-PaEidjWXN+HSyq-4y-N0tN35mcM-qA@mail.gmail.com>
Cc: "NANOG \[nanog@nanog.org\]" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
--- On Thu, 11/15/12, William Herrin <bill@herrin.us> wrote:
> From: William Herrin <bill@herrin.us>
> Subject: Re: MPLS acceptable latency?
> To: "Mikeal Clark" <mikeal.clark@gmail.com>
> Cc: "NANOG [nanog@nanog.org]" <nanog@nanog.org>
> Date: Thursday, November 15, 2012, 1:23 PM
> On Thu, Nov 15, 2012 at 1:54 PM,
> Mikeal Clark <mikeal.clark@gmail.com>
> wrote:
> > I have some AT&T MPLS sites under a managed
> contract with latency
> > averaging 75-85 ms without any load.=A0 These sites
> are only 45 minutes
> > away.
>=20
> I've noticed this with AT&T's MPLS product when dealing
> with the
> internal corporate network here. I don't know what they're
> doing wrong
> but it is so very wrong.
circa 2007, noticed same thing: never below 90ms coast-to-coast across as13=
979. atm ds3 handoffs on both ends.
>=20
> >=A0 What is considered normal/acceptable?
>=20
> Less than 10ms unless you're using a sub-T1 interface or
> going a very
> long distance.
>=20
> Regards,
> Bill Herrin
>=20
>=20
> --=20
> William D. Herrin ................ herrin@dirtside.com=A0
> bill@herrin.us
> 3005 Crane Dr. ...................... Web: <http://bill.herrin.us/>
> Falls Church, VA 22042-3004
>=20
>