在 Juno 中的 Neutron 有個大家關注的功能 DVR

https://docs.google.com/document/d/1iXMAyVMf42FTahExmGdYNGOBFyeA4e74sAO3pvr_RjA/

There are countless blogs and tutorials that explain what Neutron is and what it can do. This document does not intend to be a primer for OpenStack Networking. The sole objective of this document is to set the context behind why the Neutron community focused some of its efforts on improving certain routing capabilities offered by the open source framework, and what users can expect to see when they get their hands on its latest release, aka Juno.