A network availability zone is a logical construct used to define a group of network nodes that share similar power, network, and cooling systems. Network resources can be scheduled to multiple availability zones to ensure a high level of reliability when a single zone fails. This is similar to how Nova availability zones work, as they as used to group compute nodes in a similar way to ensure components of an application are not in the same failure domain.
Network availability zones
Configuring network availability zones
Availability zone support for Neutron was first introduced in the Mitaka release of OpenStack Networking, and supports both the DHCP and L3 agents included with Neutron. Other drivers may be supported but...
