Subject: Re: RFC: netfilter: nf_conntrack: add support for "conntrack zones"

From: jamal <[email-masked]>
Date: Fri, 15 Jan 2010 10:03:42 -0500

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