1. What is the problem?
Currently, LBaaS is not supported in the Tricircle. This specification
is to introduce how to enable LBaaS in one region with the Tricircle.
2. What is the solution to the problem?
The solution to LBaaS in one region is covered in this specification.
3. What the features to be implemented in the Tricircle
to realize the solution?
No new features.
Change-Id: I5f203cd879b6d3c01caaafbf906b38d436f54dd4