Abstract: A server load balancing method is provided for making the load of each server uniform. The server load balancing method is arranged to include a server pool definition unit of storing the information on plural servers as a server pool, a processing status storing unit of storing a processing status of each server, and a request distributing unit of breaking a series of requests received from the client and sending each request to the server with the least load on the request-receiving time.

Abstract: A network system includes a directory server having a database for storing directory information, and at least one client connected to the directory server through a network. The client issues statements for defining a transaction. The directory server includes a non-transaction processing unit for processing each of access requests from the client as a different transaction, a transaction processing unit for processing a sequence of access requests from the client as a single transaction, a phase management table for storing a connected client and a processing phase for an access request, and a phase management unit for determining whether an access request from a connected client is defined as a transaction, storing a processing phase in the phase management table, and passing the access request from the client to the non-transaction processing unit or to the transaction processing unit based on the stored processing phase.

Abstract: A network system includes a directory server having a database for storing directory information, and at least one client connected to the directory server through a network. The client issues statements for defining a transaction. The directory server includes a non-transaction processing unit for processing each of access requests from the client as a different transaction, a transaction processing unit for processing a sequence of access requests from the client as a single transaction, a phase management table for storing a connected client and a processing phase for an access request, and a phase management unit for determining whether an access request from a connected client is defined as a transaction, storing a processing phase in the phase management table, and passing the access request from the client to the non-transaction processing unit or to the transaction processing unit based on the stored processing phase.