Notes on Data Base Operating Systems
Operating Systems, An Advanced Course
Cost evaluation of directory management schemes for distributed database systems
SIGMOD '80 Proceedings of the 1980 ACM SIGMOD international conference on Management of data
SIGCOMM '81 Proceedings of the seventh symposium on Data communications
Banet - a local area network for distributed data processing
Computer Communications
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This paper focuses on the concurrency control problem for a distributed database system. A new control philosophy called hierarchical processing structure is proposed. Two different types of the consistency are clearly defined, and the hierarchical processing structure is derived from these consistency types. This structure provides the following features; 1) The centralization of processing load on a particular site can be avoided. 2) Two distinct types of updating mechanism are defined according to two aspects of data consistency. 3) A comprehensible philosophy for the concurrency control is established.