[openstack-dev] Introducing myself - looking for a IPv6 topology
Martinx - ジェームズ
thiagocmartinsc at gmail.com
Wed Nov 20 01:23:37 UTC 2013
One more thing...
I'm thinking about the "use case" for "Floating IPs" in a NAT-less IPv6
I can think in two "use cases" in a IPv6-Only Tenant Subnet:
1- the Floating IP might be used to allocate more IPv6 address for an
Instance (since there is no plans for NAT66, I believe it is not desired)
but, instead of allocating it from the "allocation pool", get it from the
tenant subnet directly. This way, the "IPv6 Floating IP" will appear within
the Instance it self, not at the L3 Namespace Router as it is with IPv4
2- we can provide a IPv4 Floating IP address (for a IPv6-Only tenant) and
the L3 Namespace Router will do the NAT46. This way, the "old Internet"
will be able to seamless reach a IPv6-Only network.
What do you guys have in mind / roadmap?!
On 19 November 2013 22:57, Martinx - ジェームズ <thiagocmartinsc at gmail.com>wrote:
> Hello Stackers!
> I'm Thiago and I'm here on dev list mostly to watch you guys...
> Nevertheless, I want to say that I would love to test in deep, the IPv6
> support in OpenStack IceHouse.
> At at glance, what I'm looking for is more or less specified here, as
> I have 1 native IPv6 /48 block and I would like to provide 1 (or more)
> IPv6 /64 subnet for each tenant (automatically configured when tenant
> requests a subnet, tenant does not need to type the IPv6 network address,
> it will never overlap).
> ** I have no plans to support or test NAT66 **
> I'm planning to use a dual-stack topology that is described in details
> Also, I would like to give, for example, a range of IPv6 address for each
> Instance, instead of just only 1 fixed IPv6 address (based on Instance's
> Mac Address / EUI-64) plus a few temporary address, but instead, I would
> like to provide ~1000 IPv6 address for each Instance (i.e. DHCPv6 with
> "range 2001:db8:1:1::1 2001:db8:1:1::1000" (or 2001:db8:1:1::1-1000). Of
> course, assuming that IceHouse have native IPv6 support for IPv6 in first
> Desired: Dashboard should focus on DNSaaS, instead of IPs, when listing
> the "Instances".
> OBS: I really want to achieve a NAT-Less OpenStack Cloud, powered by
> IPv6... I know I still need IPv4 (for metadata for example) but, IPv6 is
> the way to go, I believe that OpenStack have a great future with IPv6!
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