/**
   * NAMING OBJECT GROUPS 
   */
  
  /**
   * The ObjectGroupName is a hierarchic CosNaming::Name. Components within the
   * name must be ordered according to the following schema:
   * 
   *   <server_id>.SRV/<orb_id>.ORB/<poa_id>.POA[/<sub_poa_id>.POA*]/<object_id>.OBJ
   *
   * where poa_id is the first named POA below RootPOA and sub_poa values are in 
   * order of occurrence beneath that POA. 
   * 
   * A short hand notation may be supported when there is no ambiguity:
   *
   *   <server_id>/<object_id>
   *
   * Another useful scheme within a fault tolerance domain witj an ObjectGroupManager
   * is
   *
   *   <object_group_id>.OGID
   *
   */
  typedef PortableGroup::Name ObjectGroupName;
  typedef sequence <ObjectGroupName> ObjectGroupNameSeq;
  
  
  /**
   * SUPPORT FOR ALIASES
   * 
   * Applications should be able to provide aliases for object group name to 
   * allow for more application-oriented naming schemes. The object group name
   * (alias) is unique within the context of the Fault Tolerance domain.
   * One way to define this alias when the object group is created via a 
   * PortableGroup::GenericFactory interface is to define a new ft property à 
   * la 'org.omg.ft.alias' to be provided in the criteria parameter of 
   * create_object operation.
   * 
   * Administrative tools may also be used for naming the object groups via 
   * implementation-specific interfaces.
   *
   */
  const string FT_ALIAS = "org.omg.ft.alias";