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From Sheng Yang <sh...@yasker.org>
Subject Re: [DISCUSS] IPv6 support draft functional spec(phase 1)
Date Thu, 17 Jan 2013 18:34:45 GMT
On Thu, Jan 17, 2013 at 10:26 AM, Sheng Yang <sheng@yasker.org> wrote:
> On Thu, Jan 17, 2013 at 10:20 AM, Anthony Xu <Xuefei.Xu@citrix.com> wrote:
>> My misunderstanding, I thought that's the link-local ip in Xenserver or KVM:-)
>>
>> If a VM is on both IPv6 and IPv4 network, what's the link-local address? IPv4? IPv6?
Both?
>
> For dual stack case, we still require IPv6 link-local address only.

I meant, for user VM...

I think we may still need IPv4 link local for Xenserver/KVM. :)

--Sheng
>
> --Sheng
>>
>>
>> Anthony
>>
>>> -----Original Message-----
>>> From: Sheng Yang [mailto:sheng@yasker.org]
>>> Sent: Thursday, January 17, 2013 10:13 AM
>>> To: cloudstack-dev@incubator.apache.org
>>> Subject: Re: [DISCUSS] IPv6 support draft functional spec(phase 1)
>>>
>>> On Thu, Jan 17, 2013 at 9:49 AM, Anthony Xu <Xuefei.Xu@citrix.com>
>>> wrote:
>>> > Thanks for the write-up,
>>> >
>>> > One comment,
>>> > Is there any reason not use link-local IPv4 address?
>>> >
>>> >>*User VM would have one link-local IPv6 address
>>>
>>> IPv6 required one auto configured link local address per nic(means
>>> likely one nic would have more than one IP address, and in the
>>> different subnet), and the link local address would be used to send
>>> out DHCP request etc(http://tools.ietf.org/html/rfc3315). It's also
>>> the basic of Neighbor discovery mechanism in
>>> IPv6(http://tools.ietf.org/html/rfc4861).
>>>
>>> I think IPv4 link-local is less relevant in this case...
>>>
>>> --Sheng
>>> >
>>> >> -----Original Message-----
>>> >> From: Sheng Yang [mailto:sheng@yasker.org]
>>> >> Sent: Wednesday, January 16, 2013 7:11 PM
>>> >> To: cloudstack-dev@incubator.apache.org
>>> >> Subject: [DISCUSS] IPv6 support draft functional spec(phase 1)
>>> >>
>>> >> Hi,
>>> >>
>>> >> The first draft of IPv6 FS is available at
>>> >> https://cwiki.apache.org/confluence/display/CLOUDSTACK/IPv6+support
>>> >> now.
>>> >>
>>> >> Basically based on our previous discussion, we would like to stick
>>> to
>>> >> dnsmasq, and assume shared network for advance zone in the phase one,
>>> >> to make thing as simple as possible in phase 1.
>>> >>
>>> >> Comments/questions are welcome!
>>> >>
>>> >> --Sheng

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