Z/VM cloud connector is a development SDK for managing z/VM. It provides a set of APIs to operate z/VM including guest, image, network, volume etc.
Just like os-win for nova hyperv driver and oslo.vmware for nova vmware driver, z/VM cloud connector (zVMCloudConnector) is for nova z/VM driver and other z/VM related openstack drivers such as neutron, ceilometer.
This package contains the z/VM SDK API Server.