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 >>
