tree 10e6406de08a4c605c9ef8a99c2d07fb3c011727
parent 59a42ec58f8bd2cd5eee22a5af2017a4bc0c17ee
author Shock Jiang <shock.jiang@gmail.com> 1409868532 -0700
committer Shock Jiang <shock.jiang@gmail.com> 1410214960 -0700

Zone abstraction

Change-Id: Icbced73072f08270149fcbad34a7cee1be01fa9d