Methods and opportunities for rejuvenation in aging distributed software systems

Authors:
Alberto Avritzer;Robert G. Cole;Elaine J. Weyuker
Affiliations:
Siemens Corporate Research, 755 College Road East, Princeton, NJ 08540, United States;The JHU/Applied Physics Laboratory, 12000 Johns Hopkins Road, Laurel, Maryland 20723, United States;AT & T Labs - Research, 180 Park Avenue, Florham Park, NJ 07932, United States
Venue:
Journal of Systems and Software
Year:
2010

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Abstract

In this paper we describe several methods for detecting the need for software rejuvenation in mission critical systems that are subjected to worm infection, and introduce new software rejuvenation algorithms. We evaluate these algorithms' effectiveness using both simulation studies and analytic modeling, by assessing the probability of mission success. The system under study emulates a Mobile Ad-Hoc Network (MANET) of processing nodes. Our analysis determined that some of our rejuvenation algorithms are quite effective in maintaining a high probability of mission success while the system is under explicit attack by a worm infection.