Analysis of X.500 Distributed Directory Refresh Strategies

Analysis of X.500 Distributed Directory Refresh Strategies

David W. Bachmann (The University of Michigan, USA), Kevin H. Klinge (Bellcore, USA), Michael A. Bauer (The University of Western Ontario, Canada), Sailesh Makkapati (The University of Michigan, USA), J. Michael Bennett (The University of Western Ontario, Canada), Jacob Slonim (IBM Canada Laboratory - Toronto, Canada), Guy A. Fasulo (Chevron Information Technology Corporation, USA), Toby J. Teorey (The University of Michigan, USA) and Michael H. Kamlet (Bell Laboratories, USA)
Copyright: © 1991 |Pages: 14
DOI: 10.4018/jdm.1991040101
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Abstract

Refresh strategies for distributed database directories, commonly recommended for the X.500 standard, are defined and analytically modeled for variations on push/pull and total/differential options under ideal asynchronous control conditions. The models are implemented in a Hyper- Card-based tool called DirMod (ODirectory ModelO). Experimental test results show an important elapsed time/ performance trade-off among the different strategies, and test data contribute to the verification of the models.

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