DEFINITION PersMesgMaintenance; IMPORT Names, Shards; (* === server side: install service for a node === *) PROCEDURE InitServer(msgsys: Names.Node); (* === client side: request for a new message box === *) PROCEDURE SupplyBox( msgsys: Names.Node; name: Names.Name; perm: Shards.Pot; VAR box: Names.Node): BOOLEAN; END PersMesgMaintenance.