[166190] in North American Network Operators' Group
RE: NANOG Digest, Vol 69, Issue 28
daemon@ATHENA.MIT.EDU (Vytautas V Grigaliunas)
Fri Oct 11 14:50:18 2013
From: Vytautas V Grigaliunas <vyto@fnal.gov>
To: "nanog@nanog.org" <nanog@nanog.org>
Date: Fri, 11 Oct 2013 18:47:08 +0000
In-Reply-To: <mailman.920.1381515248.1246.nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
What is SDN at its essence ?
> Message: 9
> Date: Fri, 11 Oct 2013 19:13:57 +0100 (BST)
> From: William Waites <wwaites@tardis.ed.ac.uk>
> To: joelja@bogus.com
> Cc: nanog@nanog.org
> Subject: Re: Policy-based routing is evil? Discuss.
> Message-ID: <20131011.191357.239591912.wwaites@tardis.ed.ac.uk>
> Content-Type: text/plain; charset=3D"us-ascii"
>=20
> On Fri, 11 Oct 2013 10:41:46 -0700, joel jaeggli <joelja@bogus.com> said:
>=20
> > you take all the useful information that an IGP could be (or is)
> > providing you, and then you ignore it and do something else.
>=20
> Yes, that's another part of the conversation, encouraging the use of an I=
GP,
> which has been a source of trouble for them because of broken wireless br=
idges
> from a very commonly used vendor that randomly eat multicast packets, so =
it's
> not as straightforward as it should be.
>=20
> > evil is not a synonym for ugly patch placed over a problem that
> > could be handled better.
>=20
> Ok, fair enough. My first experience with PBR was as a summer intern in t=
he
> mid-1990s who inherited management of a large ATM network that had a big
> VPN-esque thing built entirely that way and with no documentation. It cer=
tainly
> felt evil at the time. ;)
>=20
> -w
>=20
> --
> The University of Edinburgh is a charitable body, registered in Scotland,=
with
> registration number SC005336.