netdev - Re: RFC: netfilter: nf_conntrack: add support for "conntrack zones"

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Date:	Fri, 15 Jan 2010 10:03:42 -0500
From:	jamal <hadi@...erus.ca>
To:	Ben Greear <greearb@...delatech.com>
Cc:	Patrick McHardy <kaber@...sh.net>,
	Netfilter Development Mailinglist 
	<netfilter-devel@...r.kernel.org>,
	Linux Netdev List <netdev@...r.kernel.org>,
	containers@...ts.linux-foundation.org
Subject: Re: RFC: netfilter: nf_conntrack: add support for "conntrack zones"

On Thu, 2010-01-14 at 10:32 -0800, Ben Greear wrote:

> For small or simple cases, this may be true..but there is a lot of work
> to make a complex user-space app that manages arbitrary amounts of interfaces
> routing tables in an arbitrary amount of network namespaces.  With the contrack-zones
> approach, user-space apps do not require any significant changes, and you do not
> need the rest of the namespace overhead to accomplish the task.

I think for your use case what you state is true. In the general case,
it is not. 
Note: I am not arguing against the patch - just that it is not the
generic scenario solution compared to namespaces.

cheers,
jamal

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