Useful for building all-new systems ... Acceptance Monitor modules used for: acceptance testing as the first step detection ... and delays using ftrees or dtmcs ...
... Analysis with Path Pruning using Coverage Data. Cutting ... Some errors escape in the pruned path analysis. Depends on testing framework. Cutting Edge 2005 ...
Probability and Statistics with Reliability, Queuing and ... Model of a real system developed at Avaya Labs. Modeling Software Faults. Application Failure ...
Centres d'appels desservis par une quipe bilingue et deux quipes unilingues ... of visits among various sub-levels and phases during an above level i sojourn. ...
There is only one random variable, exponential, that satisfies this memory-less property ... Try to help the manager of the bank and answer the following questions. ...
Each optimized for certain characteristics. Each with different ... Domain analysis plots show optimal model for different networks. Using domain analysis ...
Model construction, parameterization,solution,validation, interpretation ... These famous quotes bring out the difficulty of prediction. based on models: ...
Semi-Markov process allows general sojourn-time distributions ... Sojourn time distribution in each state. Probability transition matrix (P) among the states ...
Bharat B. Madan, Department of Electrical and Computer Engineering, Duke University ... PN Definitions. A PN is a 5-tuple: (P, T, A, X, M) . PN is a bi-partite ...
Microsoft Regular full page ad on 99.999% availability in USA Today. 15 ... is non-deterministic and dependent on the software reaching very rare states ...
the system is operational at a given point of time // (100 hours) is at least 0.99. ... The probability that system will go down in 1000 // hours is less than 0.01. ...
Once we have mean sojourn time and transition-matrix, we can calculate the mean ... Sojourn time distribution in each state. Probability transition matrix (P) ...
Separating Concerns: Actors, Coordination Constraints, and Implementation Protocols in a Reflective Architecture Gul Agha University of Illinois at Urbana-Champaign
nondeterminism is replaced completely by probabilities. time duration of transitions is discrete ... nondeterminism completely replaced by probabilities ...
ri. r1 r2 ... rn. 11/3/09. Contessa Project -- University of Illinois at Urbana-Champaign ... Map the system specification and the property specification ...
University of Illinois at Urbana-Champaign. Joint work with Jian Ni and Bo Tan ... Scheduling algorithm determines which links transmit at each time instant. ...
These timers are independent of each other. Recall that Exponential distribution is memoryless. When the first timer expires, the MC makes the corresponding transition ...
Dependability Theory and Methods 5. Markov Models Andrea Bobbio Dipartimento di Informatica Universit del Piemonte Orientale, A. Avogadro 15100 Alessandria ...
Performability class of metrics to describe how a ... emu. config. file. Apps. config file. Emulated LAN. Mendosus design. Experimental setup. Fault types ...
Total delay of the i-th customer in the system. Ti = Wi ti. N(t) : the number of customers in the ... Chapman-Kolmogorov equations. Stationary distribution ...
Center for Advanced Computing & Communication. Department of Electrical and Computer Engineering ... Scud missile missed by the Patriot (1991) Ariane 5 crash (1996) ...
Resolve in adversial fashion 'Yes' when verifying a formula of the form P p ... Very high confidence in our result. 4-times faster than ProVer and PRISM ...
Note that we have queueing delay between source coding and transmission ... Source can be coded into 56 byte or 112 byte packets with a deadline of 100 milliseconds ...
A goal of ROC project: develop metrics to evaluate new recovery techniques ... 2 Zona Research and Keynote Systems, The Need for Speed II, 2001. Current Progress ...
... number of packets of connect j that pass through the node s(j) per packet served ... Thus, z(x)ez(x) = axex. ln(z(x)) z(x) = ln(ax) x. For a 0, ...
Statistical Model-Checking of 'Black-Box' Systems. VESTA. Koushik Sen. University of Illinois at ... Specify performance and reliability properties in some ...
Unfolding the Open PFQN with Feedback ... The service rate at node j in the equivalent unfolded network is given by . Hence the unfolded open network is as below: ...
Knowledge of timing in async design helps to construct circuits with higher ... Gomes and L. Lavagno, editors: Hardware Design and Petri nets, Kluwer AP,Boston ...
Model checking formal method to verify finite state concurrent systems ... CS 6133 Spec & Verification. Wikipedia 'Model Checking' Questions? Just nod and clap...
... give availability bounds for such systems? Center of Advanced Computer ... The rest (N-1) mobiles. The tagged mobile. LLC arrival on-off. pmf of LLC frame size ...
Composite Performance and Dependability: Degradable Levels of Performance ... Composite Performance and Dependability ' ... IN ORDER TO FULFILL OUR GOALS OF ...
Std. Uniformization. Fox-Glynn Method. Stiff Uniformization. Batch Means. Regenerative Simulation ... more complete and balanced picture. Both steady-state and ...
Develop an appreciation of the inherent complexity of these problems and the ... and Analysis of Production and Service Systems as Continuous-Time Markov Chains ...
An Markov decision process is characterized by {T, S, As, pt ... Applications Total tardiness minimization on a single machine Job 1 2 3 Due date di 5 6 5 ...
Not restricted to finitary probabilistic rewrite theories. ... crl [tick] : clock(N,C) = if B then clock(N 1,C - (C / R0)) else broken(N, C - (C / R0)) fi ...
Joint work with Gul Agha, Nirman Kumar, Jos Meseguer and Mahesh Viswanathan. 11/6/09 ... Interact with unpredictable and hostile environment. Failure of a component ...
CSE 221: Probabilistic Analysis of Computer Systems. Topics covered: Course ... Labor Day (no ... Why study probability theory? Answer questions such as: ...
A dynamic programming approach to adaptation is required ... A new set of tools for optimizing systems with interacting controllers ... Uplink/Downlink duality ...
A Call Admission Control for Service Differentiation and Fairness Management in WDM Grooming Networks Kayvan Mosharaf, Jerome Talim and Ioannis Lambadaris