Patent ID: 6192402
Filing Date: 2001-02-20
Classification: H04L

Abstract:
A network management system for controlling a network having a plurality of agents and a manager for controlling management objects of the plurality of agents which are respectively connected by a logical communication channel, whereinplurality of agents respectively have a function of an acting manager for receiving said management objects of the other agents and sending said management objects to said manager, andsaid manager having a function of controlling said management objects of an agent incapable of communication, through mediation of said other agent working as the acting manager, when said manager fails to communicate with said agent because a fault occurred on said logical communication channel and destroyed the communication, wherein said manager:inquires of said other agents whether communication with an agent incapable of communication is possible or not when said manager fails to communicate with said agent;upon receipt of replies from acting manager candidate that are agents capable of communicating with said agent incapable of communication with said manager, deciding one of said acting manager candidates as an acting manager.