[occi-wg] OCCI Latest Draft

[Randy Bias]

One use case I've seen is IP block migration.  For example, you're  
renumbering from 1.1.1.1/24 into 2.2.2.2/24 and aren't moving the  
servers.  It can be useful to keep both blocks on the network segment  
simultaneously for a while.


--Randy

On Jul 7, 2009, at 3:13 PM, Sam Johnston wrote:

> On Tue, Jul 7, 2009 at 11:36 PM, Michael Richardson  
> <mcr at sandelman.ca> wrote:
>  Maybe it matters less in the cloud where network interfaces are all
> virtual, and so it's easy to have more than one... however, in the
> physical world, you sometimes get subnets that are non-aggregatable
> (usually because you got additional allocation from ARIN/ISP/etc.),  
> and
> you want to run things such that they all are on the same physical
> network.
>  In Linux-speak, this means you do something like:
>     ip addr  add 3.4.5.6/24 dev eth0
>     ip route add 1.2.3.0/24 dev eth0
>
> Actually now that you mention it I did similar things in a former  
> life as a sysadmin... I'd written a kernel module for network quotas  
> and some of the sites had overlapping subnets for admin vs student  
> machines.
>
> So we'll leave it there for now in case someone wants to conduct  
> similar (virtual) evil.
>
> Sam
>
> _______________________________________________
> occi-wg mailing list
> occi-wg at ogf.org
> http://www.ogf.org/mailman/listinfo/occi-wg


Randy Bias, Cloud Strategist
+1 (415) 939-8507 [m], randyb at neotactics.com
BLOG: http://cloudscaling.com

-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://www.ogf.org/pipermail/occi-wg/attachments/20090707/a190b947/attachment.html