Quantum Manager Limitations - Quantum Admin Guide - Quantum 2012.1 (Essex) Administrator GuideDuring Essex, Quantum has added many capabilities toward achieving "nova-network parity". The following limitations exist: Multi-host nova-network HA is not supported (i.e., running nova-network on each compute node for HA purposes). CloudPipe VPNs do not work when using Quantum Manager. Nova is developing an alternative to CloudPipe for Essex that should be compatible with Quantum Manager.
