tree cfcefd72717008da7954bf3859a4c659a0a8d308
parent b20ae8125c51eb364ba24f3a09637e4e0bffc8b2
author Yingdi Yu <yuyingdi@gmail.com> 1408123216 -0700
committer Yingdi Yu <yuyingdi@gmail.com> 1410367506 -0700

docs: Add documents for the new design

Change-Id: I559f9d639c6d0e3fd3f4bdc1e4eb14a7aa69202b