They support management functions such as network inventory, service provisioning, network configuration and fault management. Ansible is an open-source software provisioning, configuration management, and application-deployment tool. Release related activities include schedule, orchestration, provisioning and deploying software into production and targeted environment. Utilization can be increased by virtue of the pooling, migration, and thin provisioning services. See Service-oriented provisioning for viable implementations. Sun marketed "Sun Ops Center" provisioning software for datacenter automation. Barbican is a REST API designed for the secure storage, provisioning and management of secrets. Possible future applications include remote optical provisioning and restoration. Additional resource provisioning may be done per service. A general example of provisioning is with data services. Several services can be considered as being both supporting services and regulating/cultural/provisioning services. All communications and operations are performed in the scope of the provisioning session. Since 2013 Yarra Trams have been provisioning for the upgrade of substations across the network. Napoleon made extensive preparations providing for the provisioning of his army. Philip is credited with a 'sensible, pragmatic approach' to provisioning and controlling it.