openstack team mailing list archive

[Glen Campbell <glen.campbell@xxxxxxxxxxxxx>]

I kind of like the IPv6 idea myself. How would it work with a service
provider that, for example, assigns a /96 address for an instance? If the
user can change the IP address, would that mean that the instance ID would
change as well? Or should we just keep with the original /96 (::0) address?






On 7/11/11 2:57 PM, "Chris Behrens" <chris.behrens@xxxxxxxxxxxxx> wrote:

>If you're referring to encoding zone information, yes it would.  I was
>trying to ask more generally as well.  IPv6 would be a very good
>solution, IMO.
>
>- Chris
>
>On Jul 11, 2011, at 12:47 PM, Sandy Walsh wrote:
>
>> Won't an IPv6 address do that by it's very nature?
>> 
>> -S
>> 
>> ________________________________________
>> From: openstack-bounces+sandy.walsh=rackspace.com@xxxxxxxxxxxxxxxxxxx
>>[openstack-bounces+sandy.walsh=rackspace.com@xxxxxxxxxxxxxxxxxxx] on
>>behalf of Chris Behrens [chris.behrens@xxxxxxxxxxxxx]
>> Sent: Monday, July 11, 2011 4:24 PM
>> To: Ed Leafe
>> Cc: openstack@xxxxxxxxxxxxxxxxxxx; Chris Behrens
>> Subject: Re: [Openstack] Cross-zone instance identifiers in EC2 API -
>>Is it worth the effort?
>> 
>> On Jul 11, 2011, at 12:01 PM, Ed Leafe wrote:
>> 
>>> On Jul 11, 2011, at 2:04 PM, Eric Day wrote:
>>> 
>>>>> How is
>>>>> 
>>>>> nova-<account>-<instance uuid>
>>>>> 
>>>>> any different than:
>>>>> 
>>>>> AAAABBBB-CCCC-DDDD-EEEE-FFFFGGGGHHHH
>>>>> 
>>>>> Where AAAA/BBBB/CCCC (or some subset of them) are reserved/regulated?
>>>> 
>>>> Nothing, if DDDD-EEEE-FFFFGGGGHHHH is a full UUID. If we compare to
>>>> swift, the account prefix is a UUID too. The account prefix could be
>>>> fixed for a session or passed in to every request depending on how
>>>> things are decided.
>>> 
>>>      <sigh>
>>> 
>>>      It's a shame that the ipv6 proposal was never more fully
>>>considered. That would handle the uniqueness, with the added benefit of
>>>providing simple zone routing via DNS, with the exact same 128-bit/32
>>>char size.
>> 
>> I don't I remember that proposal, but that's such a neat idea.  Was
>>anything discussed at all in Santa Clara regarding encoding zone
>>information in the instance identifier?  I apparently missed the
>>instance identifier discussion somehow.
>> 
>> - Chris
>> 
>> 
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