FC-GS describes in detail the basic Fibre Channel services introduced in ANSI X3.230, FC-PH. The Describes in detail the basic Fibre Channel services introduced in American National Standard for Information Technology--Fibre Channel--Physical and Signaling Interface (FD-PH), ANSI X3.230-1994. The Fibre Channel services described in this document are Basic Directory Services (DS), Native SNMP Mapping (NSM), Time Services (TS), and Alias Server (AS). In addition to the aforementioned Fibre Channel services, the Common Transport (CT) protocol is described. The common transport service provides a common FC-4 for use by the Fibre Channel services.