[167125] in North American Network Operators' Group
Re: Is there a method or tool(s) to prove network outages?
daemon@ATHENA.MIT.EDU (Dobbins, Roland)
Sun Dec 1 21:41:16 2013
From: "Dobbins, Roland" <rdobbins@arbor.net>
To: "nanog@nanog.org" <nanog@nanog.org>
Date: Mon, 2 Dec 2013 02:40:59 +0000
In-Reply-To: <CEC0F708.E09A%wbailey@satelliteintelligencegroup.com>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Dec 2, 2013, at 6:26 AM, Warren Bailey <wbailey@satelliteintelligencegro=
up.com> wrote:
> I would hold off on considering Multipath as a problem until you see the =
RSL.=20
Concur. It could also be related to precipitation or other adverse conditio=
ns.
Or, in fact, it could be related to the 'UTM' box and/or something else on =
the endpoint network. It could be a periodic DDoS attack, or traffic causi=
ng an availability hit as an unintended consequence.
It's difficult to say without data. Since the OP has the ability to gather=
IP-level data on his own network, he should utilize whatever instrumentati=
on and telemetry he can set up in order to diagnose the issue as accurately=
as possible.
And the OP should dig out his SLA and see what it says about the obligation=
s of his upstream.
-----------------------------------------------------------------------
Roland Dobbins <rdobbins@arbor.net> // <http://www.arbornetworks.com>
Luck is the residue of opportunity and design.
-- John Milton
