[Openstack] [ANNOUNCE] Ryu OSS Network Operating System
dan at nicira.com
Sat Dec 10 01:44:08 UTC 2011
On Fri, Dec 9, 2011 at 5:13 PM, Isaku Yamahata <yamahata at valinux.co.jp>wrote:
> The polling period is the window. Shortening the interval make the window
> small, but never eliminates it. I'd like to make the agent work done before
> staring instance.
I think one way to do what you are suggesting is to have the OVS
vif-plugging code in nova compute create the linux device, attach it to
OVS, then wait until OVS has been provisioned before continuing and
spinning up the VM. This should be pretty doable, as the agent could
signal this by setting an attribute of the port in the OVS DB. If this is
important to you even after we drive down the polling interval, we can
definitely do this.
> > > It also looks like you have some small nova changes, mostly around
> > > QuantumManager + OVS vif-plugging. I think some of them may not be
> > necessary
> > > after some work done by brad in essex-2 around integrating
> > with
> > > L3 + NAT (recently merged into trunk), but we can help figure that
> out as
> > well.
> > The new firewall driver and network interface driver we introduced
> > for demonstration making the point clear.
> > Nop firewall driver is introduced in order to show that the packet
> > filtering
> > is done by Ryu, not by iptables.
> > If iptables firewall driver is enabled, it doesn't harm, it's just
> > bypassed.
> > Yeah, that made sense. I was more talking about some of the tweaks you
> did to
> > enable metadata + and general L3 forwarding in QuantumManager. Brad had
> > blueprint on that part fo the code that went in a week or so ago.
> I see. I'll have a look at the blue print.
Nicira Networks: www.nicira.com
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