Network traffic with multiple compute nodes

For this you will need the new high availability option in nova-network in
Diablo.

http://docs.openstack.org/diablo/openstack-compute/admin/content/existing-ha-networking-options.html
http://unchainyourbrain.com/openstack/13-networking-in-nova

We haven't implemented this ourselves so I won't be able to help you with
any of the details but hopefully that will get you started.

Everett

On Thu, Oct 20, 2011 at 3:40 AM, Sudhir <
<email address hidden>> wrote:

> New question #175406 on OpenStack Compute (nova):
> https://answers.launchpad.net/nova/+question/175406
>
> Hi All,
>
> I guess when we have all in one openstack controller with more than one
> compute nodes with flat dhcp as the networking all the network traffic in &
> out of the compute nodes into the instances happens through the nova-network
> interface(192.168.3.1).
>
> When we have hundreds of instances running then the NIC on the nova
> controller becomes a bottleneck, is there a way instead of passing through
> the controller all of the traffic to instances happens directly from compute
> nodes.
>
> C:\test1>tracert 10.144.201.215
> Tracing route to in01filer04.internal.xyz.com [10.144.201.215]
> over a maximum of 30 hops:
>
> 1 <1 ms <1 ms <1 ms 192.168.3.1
> 2 <1 ms <1 ms <1 ms indc-c6500-4.internal.xyz.com[10.144.199.254]
> 3 <1 ms <1 ms <1 ms indc-c6500-1-int1-2.internal.xyz.com [10.144.193.5]
> 4 <1 ms <1 ms <1 ms indc-c6500-5-int6-1.internal.xyz.com [10.144.193.10]
> 5 <1 ms <1 ms <1 ms in01filer04.internal.xyz.com [10.144.201.215]
> Trace complete.
>
>
> Thanks,
> Sudhir
>
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