Real-time systems performance in the presence of failures
Muppala, J.K.
Woolet, S.P.
Trivedi, K.S.
Dept. of Electr. Eng., Duke Univ., Durham, NC;
This paper appears in: Computer
Publication Date: May 1991
Volume: 24,
Issue: 5
On page(s): 37-47
ISSN: 0018-9162
References Cited: 8
CODEN: CPTRB4
INSPEC Accession Number: 3938359
Digital Object Identifier: 10.1109/2.76285
Current Version Published: 2002-08-06
Abstract
A unified methodology for modeling both soft and hard real-time
systems is presented. Techniques that combine the effects of
performance, reliability/availability, and deadline violation into a
single model are used. An online transaction processing system is used
as an example to illustrate the modeling techniques. Dynamic failures
due to a transaction violating a hard deadline are taken into account by
incorporating additional transitions in the Markov chain model of the
failure-repair behavior. System performance in the various
configurations is considered by using throughput and response-time
distribution as reward rates. Since the Markov chains used in computing
the distribution of response time are often very large and complex, a
higher level interface based on a variation of stochastic Petri nets
called stochastic reward nets is used
Index
Terms
Available to subscribers and IEEE members.
References
Available to subscribers and IEEE members.
Citing Documents
Available to subscribers and IEEE members.
Cart
