What is SDN at its essence ?
> Message: 9
> Date: Fri, 11 Oct 2013 19:13:57 +0100 (BST)
> From: William Waites <wwaites(a)tardis.ed.ac.uk>
> To: joelja(a)bogus.com
> Cc: nanog(a)nanog.org
> Subject: Re: Policy-based routing is evil? Discuss.
> Message-ID: <20131011.191357.239591912.wwaites(a)tardis.ed.ac.uk>
> Content-Type: text/plain; charset="us-ascii"
>
> On Fri, 11 Oct 2013 10:41:46 -0700, joel jaeggli <joelja(a)bogus.com> said:
>
> > you take all the useful information that an IGP could be (or is)
> > providing you, and then you ignore it and do something else.
>
> Yes, that's another part of the conversation, encouraging the use of an IGP,
> which has been a source of trouble for them because of broken wireless bridges
> from a very commonly used vendor that randomly eat multicast packets, so it's
> not as straightforward as it should be.
>
> > evil is not a synonym for ugly patch placed over a problem that
> > could be handled better.
>
> Ok, fair enough. My first experience with PBR was as a summer intern in the
> 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 certainly
> felt evil at the time. ;)
>
> -w
>
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