netdev - Re: IPv6 routing table max_size badly dimensioned compared to IPv4

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Message-ID: <20140228110735.GA13494@xs.powerdns.com>
Date:	Fri, 28 Feb 2014 12:07:35 +0100
From:	bert hubert <bert.hubert@...herlabs.nl>
To:	David Miller <davem@...emloft.net>
Cc:	eric.dumazet@...il.com, hannes@...essinduktion.org,
	netdev@...r.kernel.org
Subject: Re: IPv6 routing table max_size badly dimensioned compared to IPv4

On Thu, Feb 27, 2014 at 05:47:55PM -0500, David Miller wrote:
> > If we need to perform 10000 inserts per second, and gc timeout is 60
> > seconds, tree contains 600.000 entries, gc takes forever...
> 
> The only long term solution is to align ipv6 to be more like ipv4.

Yes please. There appears to be a lingering assumption IPv6 is small scale.

T-Mobile USA is now providing IPv6 only service via DNA64/NAT64, creating
(dozens of) millions of IPv6 only clients. (More on this 'hack' on
http://blog.powerdns.com/2013/05/17/ripe-66-powerdns-and-dns64nat64/ )

So aligning IPv6 scalability with IPv4 scalability would be grand, thanks!

	Bert
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