参考

• http://openstack.redhat.com/Networking_in_too_much_detail
• http://web.archive.org/web/20150215214007/http://masimum.inf.um.es/fjrm/2013/12/26/the-journey-of-a-packet-within-an-openstack-cloud
• http://packetpushers.net/openstack-quantum-network-implementation-in-linux/
• http://blog.scottlowe.org/2013/09/04/introducing-linux-network-namespaces/
• http://assafmuller.wordpress.com/2013/10/14/gre-tunnels-in-openstack-neutron/
• http://lwn.net/Articles/580893/