[openstack-dev] [Quantum][LBaaS] - LBaaS current state review

Avishay Balderman AvishayB at Radware.com
Wed Feb 20 14:50:49 UTC 2013


Hi Everyone,

We have reviewed all the current pending blue prints and changes and are also aware on the effort to move the HA Proxy solution to a host based vs. VM based.
We have also commented on the gerrit changes themselves but to keep the big picture follows a concentration of remarks and issues:

1)      Can't assign multiple Vips to a single Port. The current database model and API assumes a one to one relationship between a Vip and a Quantum Port. It should be apparent that one LB service could serve multiple VIPs attached to the same network vi a single quantum port.

a.       We would like to ask for a Many Vips to One quantum Port relationship.

2)      Quantum Port is allocated by the LBaaS plug-in before it gets executed by the Driver.

a.       We would like to be able to allocate the quantum Port and if needed reuse it by the Driver and return it back (to LBaaS plug-in) after the Vip is created.

b.      Alternatively, we would still like to allocate a quantum Port in the Driver and then re-parent the IP address from the pre-allocated Port to the new Port. The new Port should be returned back (to LBaaS plug-in) after the Vip is created. The old Port should be deleted.

Thanks
                Avishay
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