netdev - Re: question: update_pmtu doesn't update dst mtu

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Date:	Thu, 10 Apr 2014 12:28:49 +0400
From:	"Ilya V. Matveychikov" <i.matveychikov@...uritycode.ru>
To:	Hannes Frederic Sowa <hannes@...essinduktion.org>
CC:	<netdev@...r.kernel.org>
Subject: Re: question: update_pmtu doesn't update dst mtu

On 10.04.2014 00:30, Hannes Frederic Sowa wrote:
> On Wed, Apr 09, 2014 at 12:17:33PM +0400, Ilya V. Matveychikov wrote:
>> Works fine, thanks! By the way, could you briefly explain why routes are
>> separated to input and output? What are the benefits?
> 
> Core routing table is not split by input and output, merely the dst
> construction and surrounding lookup and policy checks are seperated for input
> and output.
> 
> Output does not have to deal with source address validation e.g. but has to do
> source address selection.
> 
> Quite hard to answer, I guess the design emerged quite naturally. ;)

OK, I've got it. Thanks again.
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