[openstack-dev] [Openstack] [Netstack] [Quantum] Multi-host implementation
Hua ZZ Zhang
zhuadl at cn.ibm.com
Mon Aug 13 07:02:08 UTC 2012
hi,
I have a question about the ip address consumed by the dhcp services. is it
necessary to assign an individual ip for each dhcp daemon? can we reserve
only one ip address for all dhcp deamons subject to one subnet since they
won't run on the same host? since the dhcp service only need to
communicate with local VM instances and local dhcp agent (don't know if it
is true for this assumption), can we find a kind of isolation mechanism to
avoid ip conflicts and extra consume of ip addresses to implement this
feature?
Best Regards,
Edward Zhang(ÕÅ»ª) µØÖ·:±±¾©Êк£µíÇø¶«±±ÍúÎ÷·8ºÅ Öйشå
Staff Software Engineer Èí¼þÔ°28ºÅÂ¥ »·Óî´óÏÃ3²ã Óʱࣺ100193
Travel&Transportation Standards Address: 3F Ring, Building 28
Emerging Technology Institute(ETI) Zhongguancun Software Park, 8
IBM China Software Development Lab Dongbeiwang West Road, Haidian
e-mail: zhuadl at cn.ibm.com District, Beijing, P.R.C.100193
Notes ID: Hua ZZ Zhang/China/IBM
Tel: 86-10-82450483
MURAOKA Yusuke
<yusuke at jbking.or
g> To
Sent by: Dan Wendlandt <dan at nicira.com>
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Subject
2012-08-09 00:19 Re: [Openstack] [Netstack]
[openstack-dev] [Quantum]
Multi-host implementation
Hi,
I've updated the bp to correspond with current design spec.
> https://blueprints.launchpad.net/quantum/+spec/quantum-multihost-dhcp
I'd know the case of failure, improper, insane, by that.
Anyway, comments, discussions are welcome.
Thanks.
--
MURAOKA Yusuke
Mail: yusuke at jbking.org
ÈÕ¸¶£º2012Äê8ÔÂ7ÈÕ»ðê×ÈÕ¡¢•r¿Ì£º2:47¡¢²î³öÈË£ºNachi Ueno£º
> Hi Dan
>
> Thank you for pointing this.
>
> Yusuke updated design spec.
> https://blueprints.launchpad.net/quantum/+spec/quantum-multihost-dhcp
>
> 2012/8/6 Dan Wendlandt <dan at nicira.com (mailto:dan at nicira.com)>:
> > Hi Nachi,
> >
> > I've reviewed the code and added comments. I'd like to see at least a
basic
> > spec describing the proposed approach (need only be a couple
paragraphs,
> > perhaps with a diagram) linked to the blueprint so we can have a design
> > discussion around it. Thanks,
> >
> > Dan
> >
> >
> > On Fri, Aug 3, 2012 at 1:03 PM, Nachi Ueno <nachi at nttmcl.com (
mailto:nachi at nttmcl.com)> wrote:
> > >
> > > Hi folks
> > >
> > > Sorry.
> > > I added openstack-dev at lists.openstack.org (
mailto:openstack-dev at lists.openstack.org) in this discussion.
> > >
> > > 2012/8/3 Nati Ueno <nati.ueno at gmail.com (mailto:nati.ueno at gmail.com
)>:
> > > > Hi folks
> > > >
> > > > > Gary
> > > > Thank you for your comment. I wanna discuss your point on the
mailing
> > > > list.
> > > >
> > > > Yusuke pushed Multi-host implementation for review.
> > > > https://review.openstack.org/#/c/10766/2
> > > > This patch changes only quantum-dhcp-agent side.
> > > >
> > > > Gary's point is we should have host attribute on the port for
> > > > scheduling.
> > > > I agree with Gary.
> > > >
> > > > In the nova, vm has available_zone for scheduling.
> > > > So Instead of using host properties.
> > > > How about use available_zone for port?
> > > >
> > > > Format of availability_zone is something like this
> > > > available_zone="zone_name:host".
> > > >
> > > > We can also add availability_zone attribute for the network as a
> > > > default value of port.
> > > > We can write this until next Monday.
> > > > However I'm not sure quantum community will accept this or not, so
I'm
> > > > asking here.
> > > >
> > > > If there are no objections, we will push zone version for review.
> > > > Thanks
> > > > Nachi
> > > >
> > > > _______________________________________________
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> >
> >
> >
> >
> > --
> > ~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > Dan Wendlandt
> > Nicira, Inc: www.nicira.com (http://www.nicira.com)
> > twitter: danwendlandt
> > ~~~~~~~~~~~~~~~~~~~~~~~~~~~
> >
> >
> > --
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