Patent ID: 7702769
Filing Date: 2010-04-20
Classification: G06F

Abstract:
1. A method of data transfer in a hierarchical computer system in which a plurality of systems are interconnected in a hierarchical manner, comprising the steps of: managing management information including items which are associated with attribute information, wherein said attribute information indicates that one of three statuses is set, wherein a first status indicates that the items are managed by a current system, a second status indicates that the items are managed by an upper system, and a third status indicates that the items are common to the current system and the upper system, and wherein when first data including at least one item is sent from the upper system to a lower system via the current system to request data corresponding to said at least one item: wherein the added at least one item is associated with attribute information indicative of items managed only by the upper system in a database of the upper system, wherein when second data including at least one item is sent from the lower system to the upper system via the current system in response to requesting the data corresponding to said at least one item: