netns summary (was Re: containers development plans)

Eric W. Biederman ebiederm at xmission.com
Thu Jul 5 12:38:07 PDT 2007


Cedric Le Goater <clg at fr.ibm.com> writes:

> Serge E. Hallyn wrote:
>> We are trying to create a roadmap for the next year of
>> 'container' development, to be reported to the upcoming kernel
>> summit.  Containers here is a bit of an ambiguous term, so we are
>> taking it to mean all of:
>> 
>> 	1. namespaces
>> 	2. process containers
>> 	3. checkpoint/restart
>> 
>> Naturally we can't actually predict what will and won't be worked on,
>> let alone what will be going upstream.  But the following is a list
>> of features which it seems rvseasonable to think might be worked on
>> next year:
>> 
>>        1. completion of ongoing namespaces
>>                pid namespace
>>                net namespace
>
> I'm not sure if this has been said already :
>
> At OLS, we had a talk with denis, pavel, eric, daniel, benjamin and others,
> and we agreed to cooperate on eric's netns patchset which seems to satisfy 
> most of the stake holders :
> 	* openvz
> 	* ibm
> 	* eric (hopefully :)
> 	* planetlab (heavy users of linux-vserver) 
> 	* hp (also interested)
> 	* google (?) 
>
> the planetlab team successfully included eric's netns patchset in the 
> linux-vserver patch and had good results with it.
>
> the following tasks were discussed : 
>
> 	* improve the patchset to make it acceptable by the netdev community
> 	* share a netns git tree 
> 	* share some tests framework all parties have been developing 
> 	  independently.
>
> Are we in sync ? I'm sure there are more interesting stuff to be said :)  

Roughly.  Basically only the head of the tree (possibly a separate tree in
and of itself ) would be the candidates for merging we would actively
be working on.

> We're looking for a place to host the netns git tree while we are working on 
> it, which means we will need first a federator for the pachset. Eric declined
> as he is too busy. Any proposals ?

To some extent.  I get distracted, so I cannot provide routine
maintenance.  While we are actively merging I intend to do some of the
work, I'm just not likely to do a lot of out of tree keeping up with
the latest tree work.

I expect I will be actively involved while we get the core
infrastructure merged.

Eric


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