1. A computer readable medium having stored thereon a data structure operable as a directory service, the data structure comprising: a first data field comprising a service level object representing a service and comprising data defining roles for the service level object, policies for service level object, and service oriented architecture polices for the service level object; and a second data field comprising a hardware-level map object subordinate to and in relationship with the service level object, representing hardware or software supporting the service, and comprising data defining roles for the hardware-level map object, policies for the hardware-level map object, and service oriented architecture polices for the hardware-level map object.