[157948] in North American Network Operators' Group
RE: MPLS acceptable latency?
daemon@ATHENA.MIT.EDU (Adam Vitkovsky)
Fri Nov 16 03:09:14 2012
From: Adam Vitkovsky <adam.vitkovsky@swan.sk>
To: 'Mikeal Clark' <mikeal.clark@gmail.com>, 'Jared Mauch'
<jared@puck.nether.net>
In-Reply-To: <CACdRzPy_xhunvSTy2nAaeOGV2ocO5UOiSm3-HTABeqbShg4bmg@mail.gmail.com>
Date: Fri, 16 Nov 2012 09:08:27 +0100
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
It might be some T1 muxing issue
adam
-----Original Message-----
From: Mikeal Clark [mailto:mikeal.clark@gmail.com]
Sent: Thursday, November 15, 2012 8:35 PM
To: Jared Mauch
Cc: nanog@nanog.org
Subject: Re: MPLS acceptable latency?
The location in question is 7 T1s. They were not willing to give us fiber.
On Thu, Nov 15, 2012 at 1:20 PM, Jared Mauch <jared@puck.nether.net> wrote:
>
> On Nov 15, 2012, at 2:15 PM, Scott Weeks wrote:
>
>>
>>
>> --- mikeal.clark@gmail.com wrote:
>> From: Mikeal Clark <mikeal.clark@gmail.com>
>>
>> I have some AT&T MPLS sites under a managed contract with latency
>> averaging 75-85 ms without any load. These sites are only 45 minutes
>> away. What is considered normal/acceptable?
>> --------------------------------------------
>>
>>
>> Coast-to-coast latency is around 60-65msec, so that's high.
>
> What link speed?
>
> Perhaps he's using ISDN or a T1?
>
> Serialization delay is not to be ignored.
>
> - Jared
>
