[157829] in North American Network Operators' Group

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Re: Whats so difficult about ISSU

daemon@ATHENA.MIT.EDU (Nick Hilliard)
Sat Nov 10 12:26:25 2012

X-Envelope-To: nanog@nanog.org
Date: Sat, 10 Nov 2012 17:26:10 +0000
From: Nick Hilliard <nick@foobar.org>
To: Saku Ytti <saku@ytti.fi>
In-Reply-To: <20121110164826.GA30511@pob.ytti.fi>
Cc: North American Network Operators' Group <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

On 10/11/2012 16:48, Saku Ytti wrote:
> If native process separation and even native thread separation cannot be
> made scale (I'm highly suspicious why it couldn't).

As the old joke goes, once you introduce threading to fix a problem, you
end up with evmeonr eprboelm.s

> Then I wonder why
> vendors don't use some existing VM, instead of inventing their own.

because of legacy issues.  It's easier to rewrite from scratch than to
adapt existing code.

Nick



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