[190289] in North American Network Operators' Group
Re: IP and Optical domains?
daemon@ATHENA.MIT.EDU (Mark Tinka)
Wed Jun 22 04:29:45 2016
X-Original-To: nanog@nanog.org
To: Masataka Ohta <mohta@necom830.hpcl.titech.ac.jp>, nanog@nanog.org
From: Mark Tinka <mark.tinka@seacom.mu>
Date: Wed, 22 Jun 2016 10:29:36 +0200
In-Reply-To: <efa052e3-1ef2-cb2e-4480-c80ecaacdf86@necom830.hpcl.titech.ac.jp>
Errors-To: nanog-bounces@nanog.org
On 22/Jun/16 10:20, Masataka Ohta wrote:
>
> By not managing transport characteristics at all except
> that links are on or off (or, if you want to guarantee QoS,
> a little more than that).
But how do Layer 3 protocols manage transport characteristics today?
Unless I misunderstand your statement.
>
> L3 protocols know links are off if L2 operators actively
> turn them off or if the protocols detect consecutive lack
> of L3 HELO generated frequently enough.
>
> L2 operators turns links off for maintenance and
> BER degradations need unscheduled maintenance.
Again, this does not seem too removed from what happens already today.
Unless I misunderstand what you are saying.
>
>
> I'm afraid "heavily" implies a lot less utilization.
I don't disagree with what you imply by "heavily". What I am saying is
"a lot less" or "a lot more" is not a universal measure. It means
different things to different people, as business operations (which
largely drive this kind of thing) differ widely.
Mark.
