Comment 8 for bug 1458890

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Andy Hill (hillad) wrote : Re: Add segment support to Neutron

The way we've accomplished this at Rackspace is with the quark plugin[1] and modifications to Nova's neutron calls. Segments are only used for provider networks that instances receive by default on boot. Segments have a 1:1 relationship with Nova's cells construct.

At a high level:

- Subnets in Neutron/Quark have a segment ID attribute
- nova-compute is aware of its segment ID
- When Nova requests ports for provider networks, the segment ID is passed in the request

[1] https://github.com/rackerlabs/quark