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Date:	Sat, 29 Aug 2015 22:31:15 +0200
From:	Peter Nørlund <>
To:	David Miller <>
Subject: Re: [PATCH v2 net-next 0/3] ipv4: Hash-based multipath routing

On Sat, 29 Aug 2015 13:14:29 -0700 (PDT)
David Miller <> wrote:

> From:
> Date: Fri, 28 Aug 2015 22:00:47 +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.
> Don't even try to be fancy.
> Simply kill the round-robin stuff off completely, and make hash based
> routing the one and only mode, no special configuration stuff
> necessary.

I like the sound of that! Just to be clear - are you telling me to
stick with L3 and skip the L4 part?

> This puts ipv4 in line with ipv6, and nobody cares about the existing
> round robin behavior at all.
> Thanks.

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