has there been any further discussion that I might have missed around ipv6 in VPC?
On Thu, Mar 7, 2013 at 12:09 PM, Sheng Yang <sh...@yasker.org> wrote: > Hi Dave, > > I am glad it fits your need. That's our target. :) > > --Sheng > > On Thu, Mar 7, 2013 at 2:14 AM, Dave Cahill <dcah...@midokura.com> wrote: >> Hi Sheng, >> >> Thanks for the quick reply, that helps a lot. >> >> My main purpose was to figure out how these changes affect virtual >> networking and pluggability. Having read through the IPv6 code today, >> it looks like it will work very nicely with virtual networks. >> >> For example, when VMs are assigned an IPv6 address, the IPv6 address >> is stored in the NicProfile object. So, taking DHCP as an example, if >> the MidoNet plugin implements the DHCPServiceProvider interface, it >> will receive the NicProfile as one of the parameters of addDhcpEntry. >> If we want to implement IPv6, we can then take the IPv6 address from >> the NicProfile, and just use it as needed. >> >> Thanks again for taking the time to respond, and for the detailed FS. >> >> Dave. >> >> On Thu, Mar 7, 2013 at 4:57 AM, Sheng Yang <sh...@yasker.org> wrote: >> >>> On Wed, Mar 6, 2013 at 1:36 AM, Dave Cahill <dcah...@midokura.com> wrote: >>> > Hi, >>> >>> Hi Dave, >>> > >>> > I've been catching up on IPv6 plans by reading the functional specs >>> > and Jira tickets - it's great to have so much material to refer to. >>> > >>> > I still have a few questions though, and I'm hoping someone involved >>> > with the feature can enlighten me. >>> > >>> > *[Support for Providers other than Virtual Router]* >>> > In [3], the spec says "No external device support in plan." >>> > What does this mean exactly? >>> >>> Because CloudStack also supports using external devices as network >>> controller e.g. Juniper SRX as firewall and NetScaler as load >>> balancer. The words here said is just we don't support these devices >>> when using IPv6. >>> > >>> > For example, if using Providers other than the Virtual Router, does >>> > the UI still allow setting IPv6 addresses? >>> > >>> > If so, do we attempt to pass IPv6 addresses to the Providers no >>> > matter what, or do we check whether the Provider has IPv6 support? >>> >>> Yes, we checked it when you try to create a IPv6 network(currently >>> only support advance shared network). >>> >>> > >>> > *[Networking Modes]* >>> > Advanced Shared mode and Basic mode are mentioned in the Jira >>> > ticket [1] - "Isolated Network" is mentioned briefly in [2], but I >>> > wanted to check if the Advanced Isolated and VPC modes are on the >>> > roadmap? >>> >>> There is no "basic isolated" network, so "Isolated" network is what >>> we're talking about. We haven't got plan for VPC yet. >>> >>> And one correction: we didn't support "basic" mode for phase 1. We >>> support only "advance shared network" in phase 1. The supported cases >>> are described in FS. Jira ticket only provided a rough idea at the >>> time. >>> > >>> > *[IP Address Management / IPAM]* >>> > From [1], re: handing out IPv6 addresses: "One way could be that the >>> > network admin creates a static route for a /48 towards a Virtual >>> > Router and then the VR can hand out /64s to Instances." >>> > >>> > With IPv4, IPAM is handled by the CloudStack management server, and >>> > the VR is told which IP address to give to the VM over DHCP. Would >>> > this change with IPv6? "The VR can hand out /64s to instances" sounds >>> > like the VR is handling IPAM to some extent. >>> >>> Well, it's not how it works now. Please refer to the FS. The current >>> implementation works like before. VR get a /64 then handle out IPv6 >>> addresses to VM. >>> > >>> > From [3], "Router advertisement should be sent by public gateway in >>> > the network." - to double-check, does this mean the router outside the >>> > CloudStack network should send RAs, but the VR won't send RAs? >>> >>> Yes. Because in phase 1, we support only "advance shared network", in >>> which case, VR is NOT the gateway. So we assume the gateway router >>> outside CloudStack should send out RA to the VMs. >>> >>> But in the phase 2, VR would acting as gateway, then it would send out RAs. >>> >>> --Sheng >>> > >>> > Thanks, >>> > Dave. >>> > >>> > [1] IPv6 Support main Jira ticket >>> > https://issues.apache.org/jira/browse/CLOUDSTACK-452 >>> > >>> > [2] IPv6 Support in CloudStack FS >>> > https://cwiki.apache.org/CLOUDSTACK/ipv6-support-in-cloudstack.html >>> > >>> > [3] IPv6 Support FS >>> > https://cwiki.apache.org/CLOUDSTACK/ipv6-support.html >>>
