netdev - Re: [PATCH v4 net-next 0/2] ipv4: Hash-based multipath routing

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Message-Id: <20150928.193355.515603960827814980.davem@davemloft.net>
Date:	Mon, 28 Sep 2015 19:33:55 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	pch@...bogen.com
Cc:	netdev@...r.kernel.org, kuznet@....inr.ac.ru, jmorris@...ei.org,
	yoshfuji@...ux-ipv6.org, kaber@...sh.net
Subject: Re: [PATCH v4 net-next 0/2] ipv4: Hash-based multipath routing

From: Peter Nørlund <pch@...bogen.com>
Date: Wed, 23 Sep 2015 21:49:35 +0200

> When the routing cache was removed in 3.6, the IPv4 multipath algorithm changed
> from more or less being destination-based into being quasi-random per-packet
> scheduling. This increases the risk of out-of-order packets and makes it
> impossible to use multipath together with anycast services.
> 
> This patch series replaces the old implementation with flow-based load
> balancing based on a hash over the source and destination addresses.

This isn't perfect but it's a significant step in the right direction.
So I'm going to apply this to net-next now and we can make incremental
improvements upon it.

Thanks.
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