Vertical Class Fragmentation in a Distributed Object Based System (1994)
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BibTeX
@TECHREPORT{Ezeife94verticalclass,
author = {C. I. Ezeife and Ken Barker},
title = {Vertical Class Fragmentation in a Distributed Object Based System},
institution = {},
year = {1994}
}
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Abstract
Processing costs in distributed processing environments is most often dominated by the network communications required for interprocess communication. It is well-known from the distributed relational database design research that careful placement of data "near" the users or processors where it is used is mandatory or system performance will suffer greatly. Data placement in relational database systems is comparatively simple because the data is flat, structured, and passive. Objects are characterized by an inheritance hierarchy (other hierarchies could also be considered including, class composition and execution), unstructured (possibly dynamic data), and contain a behavioral component that defines how the "data" is accessed by encapsulating it within the object per se. Algorithms currently exist for fragmenting relations, but the fragmentation and allocation of objects is still a relatively untouched field of study. Similar to relations, objects can be fragmented both hori...
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