tree 331362f6d5cce83e836eed659461b67e36e95e68
parent 369aa05afd011ce9f083145dca72ed5bba1c7195
author Charles Chan <rascov@gmail.com> 1568275671 -0700
committer Charles Chan <rascov@gmail.com> 1568321110 -0700

Added architecture and design

Also added a note about
  - Reserved MPLS label
  - Reserved VLAN id
  - Reserved multicast address

Change-Id: I86e0c8ed37622bf383ec3d615956f4e0b34f91be