Re: [openstack-dev] [neutron][nova] New specs on routed networking

2014-11-06 Thread Rohit Agarwalla (roagarwa)
A reminder for folks interested that we'll have a BoF discussion on Routed Network model (without L2) at 12.30 pm today. I'll have the Neutron placard on one of the table outside Manet room (at Le Meridien) for folks to find us. https://etherpad.openstack.org/p/RoutedNetworking Thanks Rohit

Re: [openstack-dev] [neutron][nova] New specs on routed networking

2014-10-30 Thread Cory Benfield
On Tue, Oct 28, 2014 at 21:50:09, Carl Baldwin wrote: Many API users won't care about the L2 details. This could be a compelling alternative for them. However, some do. The L2 details seem to matter an awful lot to many NFV use cases. It might be that this alternative is just not

Re: [openstack-dev] [neutron][nova] New specs on routed networking

2014-10-30 Thread A, Keshava
, 2014 5:51 AM To: OpenStack Development Mailing List (not for usage questions) Subject: Re: [openstack-dev] [neutron][nova] New specs on routed networking On Oct 28, 2014, at 4:59 PM, Angus Lees g...@inodes.orgmailto:g...@inodes.org wrote: On Tue, 28 Oct 2014 09:07:03 PM Rohit Agarwalla

Re: [openstack-dev] [neutron][nova] New specs on routed networking

2014-10-30 Thread A, Keshava
information in OpenStack infrastructure ? Thanks Regards, keshava -Original Message- From: Cory Benfield [mailto:cory.benfi...@metaswitch.com] Sent: Thursday, October 30, 2014 2:09 PM To: OpenStack Development Mailing List (not for usage questions) Subject: Re: [openstack-dev] [neutron][nova

Re: [openstack-dev] [neutron][nova] New specs on routed networking

2014-10-30 Thread Kevin Benton
(not for usage questions) Subject: Re: [openstack-dev] [neutron][nova] New specs on routed networking On Oct 28, 2014, at 4:59 PM, Angus Lees g...@inodes.org wrote: On Tue, 28 Oct 2014 09:07:03 PM Rohit Agarwalla wrote: Agreed. The way I'm thinking about this is that tenants shouldn't

Re: [openstack-dev] [neutron][nova] New specs on routed networking

2014-10-30 Thread A, Keshava
Agreed !. Regards, keshava From: Kevin Benton [mailto:blak...@gmail.com] Sent: Friday, October 31, 2014 2:03 AM To: OpenStack Development Mailing List (not for usage questions) Subject: Re: [openstack-dev] [neutron][nova] New specs on routed networking These are all important discussion topics

Re: [openstack-dev] [neutron][nova] New specs on routed networking

2014-10-29 Thread Fred Baker (fred)
Some of us are looking at a different model. I’d be interested in your thoughts. The premise in this is that a great deal of the complexity in OpenStack is basically working around the deficiencies of IPv4, especially its address space and issues in multicast deployment. IPv6 actually addresses

Re: [openstack-dev] [neutron][nova] New specs on routed networking

2014-10-29 Thread Cory Benfield
On Tue, Oct 28, 2014 at 20:01:40, Kevin Benton wrote: I think the simplest use case is just that a provider doesn't want to deal with extending L2 domains all over their datacenter. This is the core motivation. As mentioned in Fred Baker's internet draft[0], extending layer 2 domains can be

Re: [openstack-dev] [neutron][nova] New specs on routed networking

2014-10-29 Thread Rohit Agarwalla (roagarwa)
I have also started to capture some of our discussions here. https://etherpad.openstack.org/p/RoutedNetworking Thanks Rohit On 10/29/14 1:32 AM, Cory Benfield cory.benfi...@metaswitch.com wrote: On Tue, Oct 28, 2014 at 20:01:40, Kevin Benton wrote: I think the simplest use case is just that a

Re: [openstack-dev] [neutron][nova] New specs on routed networking

2014-10-29 Thread Fred Baker (fred)
On Oct 28, 2014, at 12:44 AM, A, Keshava keshav...@hp.com wrote: Here thinking OpenStack cloud as hierarchical network instead of Flat network ? A routed network has one lookup just like a bridged network. The difference is that the router operates as a host in the L2 domain - it only

Re: [openstack-dev] [neutron][nova] New specs on routed networking

2014-10-29 Thread Cory Benfield
Some of us are looking at a different model. I’d be interested in your thoughts. Fred, Thanks for the link to the drafts. They look extremely similar to the approach we've been pursuing for Project Calico, and it's good to see that we're not the only people thinking in this direction. It

Re: [openstack-dev] [neutron][nova] New specs on routed networking

2014-10-29 Thread Fred Baker (fred)
Certainly, let’s talk next week in Paris. On Oct 29, 2014, at 12:11 PM, Cory Benfield cory.benfi...@metaswitch.com wrote: Some of us are looking at a different model. I’d be interested in your thoughts. Fred, Thanks for the link to the drafts. They look extremely similar to the

Re: [openstack-dev] [neutron][nova] New specs on routed networking

2014-10-28 Thread A, Keshava
, 2014 12:36 AM To: OpenStack Development Mailing List (not for usage questions) Subject: Re: [openstack-dev] [neutron][nova] New specs on routed networking Hi I'm interested as well in this model. Curious to understand the routing filters and their implementation that will enable isolation

Re: [openstack-dev] [neutron][nova] New specs on routed networking

2014-10-28 Thread Mathieu Rohon
(not for usage questions) openstack-dev@lists.openstack.org Subject: Re: [openstack-dev] [neutron][nova] New specs on routed networking Hi, Thanks for posting this. I am interested in this use case as well. I didn't find a link to a review for the ML2 driver. Do you have any more

Re: [openstack-dev] [neutron][nova] New specs on routed networking

2014-10-28 Thread Cory Benfield
On Tue, Oct 28, 2014 at 07:44:48, A, Keshava wrote: Hi, Current Open-stack was built as flat network. With the introduction of the L3 lookup (by inserting the routing table in forwarding path) and separate 'VIF Route Type' interface: At what point of time in the packet processing

Re: [openstack-dev] [neutron][nova] New specs on routed networking

2014-10-28 Thread A, Keshava
their opinion also. Thanks Regards, keshava -Original Message- From: Cory Benfield [mailto:cory.benfi...@metaswitch.com] Sent: Tuesday, October 28, 2014 10:35 PM To: OpenStack Development Mailing List (not for usage questions) Subject: Re: [openstack-dev] [neutron][nova] New specs on routed

Re: [openstack-dev] [neutron][nova] New specs on routed networking

2014-10-28 Thread Kevin Benton
, keshava -Original Message- From: Cory Benfield [mailto:cory.benfi...@metaswitch.com] Sent: Tuesday, October 28, 2014 10:35 PM To: OpenStack Development Mailing List (not for usage questions) Subject: Re: [openstack-dev] [neutron][nova] New specs on routed networking On Tue, Oct 28, 2014

Re: [openstack-dev] [neutron][nova] New specs on routed networking

2014-10-28 Thread Rohit Agarwalla (roagarwa)
There isn't a mechanism for us to get a BoF scheduled in advance. So, let's gather at the Neutron contributors meetup on Friday. Hopefully, some of us would have already met each other at the Neutron design sessions before Friday and we can figure out a good time slot that works for everyone

Re: [openstack-dev] [neutron][nova] New specs on routed networking

2014-10-28 Thread Rohit Agarwalla (roagarwa)
: Tuesday, October 28, 2014 1:01 PM To: OpenStack Development Mailing List (not for usage questions) openstack-dev@lists.openstack.orgmailto:openstack-dev@lists.openstack.org Subject: Re: [openstack-dev] [neutron][nova] New specs on routed networking 1. Every packet L3 FIB Lookup : Radix Tree Search

Re: [openstack-dev] [neutron][nova] New specs on routed networking

2014-10-28 Thread Carl Baldwin
On Tue, Oct 28, 2014 at 2:01 PM, Kevin Benton blak...@gmail.com wrote: I think the simplest use case is just that a provider doesn't want to deal with extending L2 domains all over their datacenter. This is similar to a goal behind [1] and [2]. I'm trying to figure out where the commonalities

Re: [openstack-dev] [neutron][nova] New specs on routed networking

2014-10-28 Thread Carl Baldwin
On Tue, Oct 28, 2014 at 3:07 PM, Rohit Agarwalla (roagarwa) roaga...@cisco.com wrote: Agreed. The way I'm thinking about this is that tenants shouldn't care what the underlying implementation is - L2 or L3. As long as the connectivity requirements are met using the model/API, end users should

Re: [openstack-dev] [neutron][nova] New specs on routed networking

2014-10-28 Thread Clint Byrum
Excerpts from Cory Benfield's message of 2014-10-24 06:38:44 -0700: All, Project Calico [1] is an open source approach to virtual networking based on L3 routing as opposed to L2 bridging. In order to accommodate this approach within OpenStack, we've just submitted 3 blueprints that cover

Re: [openstack-dev] [neutron][nova] New specs on routed networking

2014-10-28 Thread Angus Lees
Development Mailing List (not for usage questions) openstack-dev@lists.openstack.orgmailto:openstack-dev@lists.openstack.org Subject: Re: [openstack-dev] [neutron][nova] New specs on routed networking 1. Every packet L3 FIB Lookup : Radix Tree Search, instead of current L2 Hash/Index Lookup ? 2

Re: [openstack-dev] [neutron][nova] New specs on routed networking

2014-10-28 Thread Fred Baker (fred)
@lists.openstack.org Subject: Re: [openstack-dev] [neutron][nova] New specs on routed networking 1. Every packet L3 FIB Lookup : Radix Tree Search, instead of current L2 Hash/Index Lookup ? 2. Will there be Hierarchical network ? How much of the Routes will be imported from external world ? 3

Re: [openstack-dev] [neutron][nova] New specs on routed networking

2014-10-28 Thread Harshad Nakil
Mailing List (not for usage questions) openstack-dev@lists.openstack.orgmailto: openstack-dev@lists.openstack.org Subject: Re: [openstack-dev] [neutron][nova] New specs on routed networking 1. Every packet L3 FIB Lookup : Radix Tree Search, instead of current L2 Hash/Index Lookup ? 2

Re: [openstack-dev] [neutron][nova] New specs on routed networking

2014-10-28 Thread Angus Lees
Mailing List (not for usage questions) openstack-dev@lists.openstack.orgmailto:openstack-dev@lists.openstack.o rg Subject: Re: [openstack-dev] [neutron][nova] New specs on routed networking 1. Every packet L3 FIB Lookup : Radix Tree Search, instead of current L2 Hash/Index Lookup

Re: [openstack-dev] [neutron][nova] New specs on routed networking

2014-10-27 Thread Cory Benfield
On Fri, Oct 24, 2014 at 20:51:36, Kevin Benton wrote: Hi, Thanks for posting this. I am interested in this use case as well. I didn't find a link to a review for the ML2 driver. Do you have any more details for that available? Sure. The ML2 driver itself isn't submitted for review yet

Re: [openstack-dev] [neutron][nova] New specs on routed networking

2014-10-27 Thread Cory Benfield
On Sun, Oct 26, 2014 at 19:05:43, Rohit Agarwalla (roagarwa) wrote: Hi I'm interested as well in this model. Curious to understand the routing filters and their implementation that will enable isolation between tenant networks. Also, having a BoF session on Virtual Networking using L3 may

Re: [openstack-dev] [neutron][nova] New specs on routed networking

2014-10-26 Thread Rohit Agarwalla (roagarwa)
(not for usage questions) openstack-dev@lists.openstack.orgmailto:openstack-dev@lists.openstack.org Subject: Re: [openstack-dev] [neutron][nova] New specs on routed networking Hi, Thanks for posting this. I am interested in this use case as well. I didn't find a link to a review for the ML2 driver. Do

Re: [openstack-dev] [neutron][nova] New specs on routed networking

2014-10-24 Thread Kevin Benton
Hi, Thanks for posting this. I am interested in this use case as well. I didn't find a link to a review for the ML2 driver. Do you have any more details for that available? It seems like not providing L2 connectivity between members of the same Neutron network conflicts with assumptions ML2 will