[one-users] Ranged network!

Ruben S. Montero rubensm at dacya.ucm.es
Fri Apr 29 16:30:26 PDT 2011


Thanks for sharing!,... I've filled a ticket to track and implement this

http://dev.opennebula.org/issues/602

Cheers

Ruben

On Fri, Apr 29, 2011 at 10:36 PM, Lars Kellogg-Stedman <
lars at seas.harvard.edu> wrote:

> > To improve this, we can extend the parameters to define the ranged
> network,
> > e.g. with the starting ip address parameter. Or alternatively, define a
> > fixed net using single leases and/or continuous ranges of leases. Which
> one
> > is better?
>
> I think that RANGED networks are ultimately easier to manage than a
> FIXED network.  I would like, for example, to create several small
> "networks" out of a larger block of addresses...for example, taking
> 10.10.10.0/24 and dividing it up into:
>
> - 10.10.10.10 - 10.10.10.30
> - 10.10.10.31 - 10.10.10.100
> - etc...
>
> It's certainly possible to do this using FIXED networks and generated
> leases, but it's somewhat less convenient and doesn't really lend
> itself to management via the web interface.
>
> This would require the ability to specify a base address for each
> "network", as well as the the number of addresses to provision.  So
> something like this:
>
>  NAME=cloud
>  TYPE=RANGED
>  BRIDIGE=br619
>  NETWORK_BASE=10.10.10.10
>  NETWORK_SIZE=30
>
> Ideally, I would like to be able to specify the network using any of
> the following:
>
>  - An address mask:
>    NETWORK_ADDRESS=10.10.10.0/24
>
>  - An address and mask as octets:
>    NETWORK_ADDRESS=10.10.10.0/255.255.255.0
>
>  - A base and size:
>    NETWORK_BASE=10.10.10.1
>    NETWORK_SIZE=253
>
>    (where the first address allocated is NETWORK_BASE, and the last
> address allocated is NETWORK_BASE+NETWORK_SIZE).
>
> It would also be nice to be able to "reserve" addresses on a ranged
> network.  For example, we have a /24 dedicated to our OpenNebula
> cluster right now, except there are two legacy hosts sitting there
> from a previous virtualization experiment.  It would be great if I
> could do this:
>
>  NETWORK_ADDRESS=10.10.10.0/24
>  RESERVED=[10.10.10.1, 10.10.10.254, 10.10.10.253]
>
> ...or something like that.
>
> --
> Lars Kellogg-Stedman <lars at seas.harvard.edu>
> Senior Technologist
> Harvard University SEAS
> Academic and Research Computing (ARC)
> _______________________________________________
> Users mailing list
> Users at lists.opennebula.org
> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>



-- 
Dr. Ruben Santiago Montero
Associate Professor (Profesor Titular), Complutense University of Madrid

URL: http://dsa-research.org/doku.php?id=people:ruben
Weblog: http://blog.dsa-research.org/?author=7
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