1  session_tower
=title Session Control Tower Maintenance

    A Session Control Tower Maintenance entity stores information about 
    entries in the Tower Maintenance data base. A Tower Maintenance entity is 
    automatically created when a client issues a dnaKeepMeHere call, using 
    the programming interface.  
    


2 counters
=title Counter Attributes


  UPDATE FAILURES

      Number of times this entity detected an update failure event. 


  UPDATE SUCCESSES

      Number of times that the DNA$Towers attribute of the DECdns object name
      associated with this entity has been successfully updated. 




2  status
=title Status Attributes

  MANAGING CLIENT

      Network management name of the user who issued the keepmehere call that
      resulted in the creation of this entity. 


  HIGHER TOWERS

      Set of higher towers that was passed in the keepmehere call that created
      this entity. 


  LAST FAILURE REASON

      DECdns error code that indicates the reason for the last update failure.


  LAST SUCCESSFUL UPDATE

      Time of the last successful update to the DNA$Towers attribute for the
      specified entity. On OpenVMS, if no update for this subentity ever failed,
      then it is zero.


  LAST UPDATE COMPLETED

      Time that the last attempt to update the DNA$Towers attribute completed
      successfully or not. 


  LAST UPDATE STARTED

      Time that the last attempt to update the DNA$Towers attribute for the
      specified entity was initiated.