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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 18:26:01 GMT
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.

--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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