Managing Uncertainty in Self-* Systems with Plan Reuse and - PowerPoint PPT Presentation

Managing Uncertainty in Self-* Systems with Plan Reuse and Stochastic Search Cody Kinneer, Zack Coker, Joanna Wang, David Garlan, Claire Le Goues

2 C l o u d We b S e r v e r U s e r s U s e r s D a t a C e n t e r A D a t a C e n t e r B D a t a C e n t e r C

3 Cloud Web Server D a t a C e n t e r P r o p e r t i e s ● S e r v e r t y p e D a t a C e n t e r s ● T r a f f l e v e l ● D i m m e r ● N u m b e r o f s e r v e r s S e r v e r P r o p e r t i e s ● C o s t S e r v e r s ● Ma x f u l l r e q u e s t s ● Ma x d i m m e d r e q u e s t s

4 C l o u d We b S e r v e r U s e r s D a t a C e n t e r A D a t a C e n t e r B D a t a C e n t e r C

5 C l o u d We b S e r v e r U s e r s D a t a C e n t e r A D a t a C e n t e r B D a t a C e n t e r C

6 Tactics S t a r t S e r v e r S h u t d o w n S e r v e r I n f r e a s e D i m m e r D e f r e a s e D i m m e r I n f r e a s e T r a f f D e f r e a s e T r a f f

7 Time and Failure S t a r t S e r v e r

8 Existing Approaches Rainbow / Stitch • C o n t r o l Planning • Mo n i t o r A d a p t Manual • Automated • S y s t e m PRISM • H a n d l e E v o l u t i o n ?

9 Evolution S t a r t S e r v e r @ D ● E v o l v i n g T a f t i f s ● E v o l v i n g E n v i r o n m e n t ● E v o l v i n g Q u a l i t y P r i o r i t i e s

1 0 Our Approach Genetic Programming • Inspired by automated repair • Simple planning language • Reuse enabling techniques • Implemented in Java using ECJ library • from George Mason University

1 1 Mu t a t i o n a n d C r o s s o v e r E v a l u a t i o n ; ; F F ; F F ; 5 S t a r t S e r v e r 4 S t a r t S e r v e r F F ; C B F F 5 S t a r t S e r v e r 4 S a t r t S e r v e r F F C B 5 S t a r t S e r v e r 4 S t a r t S e r v e r F 5 S t a r t S e r v e r 4 S t a r t S e r v e r ; 5 S t a r t S e r v e r C B ; C B F F C F F 5 S t a r t S e r v e r 4 S t a r t S e r v e r ; I n i t i a l P l a n 5 S t a r t S e r v e r 4 S t a r S t e r v e r C B F F C B

1 3 Plans ; F F 5 S t a r t S e r v e r 4 S t a r t S e r v e r C B

1 4 Plan Evaluation S t a r t S e r v e r A 0 . 1 0 0 . 9 0 S t a r t S e r v e r A S t a r t S e r v e r B 0 . 1 0 0 . 9 0 0 . 1 0 0 . 9 0 9 8 7 . 8 1 1 3 7 . 3 1 1 3 7 . 3 1 5 2 6 . 6

1 5 Good Plans are Big ; ; ; T S t a r t S e r v e r F ; S t a r t S e r v e r T ; C 4 ; T S t a r t S e r v e r B S t a r t S e r v e r T S t a r t S e r v e r S t a r t S e r v e r ; S t a r t S e r v e r S h u t d o w n S e r v e r S t a r t S e r v e r T ; C B S t a r t S e r v e r T S h u t d o w n S e r v e r C C S t a r t S e r v e r S h u t d o w n S e r v e r C A B S t a r t S e r v e r T ; S t a r t S e r v e r ; B S t a r t S e r v e r S t a r t S e r v e r S h u t d o w n S e r v e r A C A B S t a r t S e r v e r T S h u t d o w n S e r v e r S t a r t S e r v e r S h u t d o w n S e r v e r C ; S h u t d o w n S e r v e r B B A B S t a r t S e r v e r S t a r t S e r v e r S h u t d o w n S e r v e r A C A S t a r t S e r v e r S h u t d o w n S e r v e r A B B A C A

1 6 Reuse Enabling Kill ratio • Scratch ratio • Plan Trimmer •

Managing Uncertainty in Self-* Systems with Plan Reuse and - PowerPoint PPT Presentation

Managing Uncertainty in Self-* Systems with Plan Reuse and Stochastic Search Cody Kinneer, Zack Coker, Joanna Wang, David Garlan, Claire Le Goues 2 C l o u d We b S e r v e r U s e r s U s e r s D a t a C e n t e

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Managing Uncertainty in Self-* Systems with Plan Reuse and - PowerPoint PPT Presentation

Managing Uncertainty in Self-* Systems with Plan Reuse and Stochastic Search Cody Kinneer, Zack Coker, Joanna Wang, David Garlan, Claire Le Goues 2 C l o u d We b S e r v e r U s e r s U s e r s D a t a C e n t e

Managing Uncertainty in Value-based SE Tim Menzies (tim@menzies.us) Phillip Green, Oussama

Reuse-based &amp; Choreography-based Distributed Systems Reuse-based Software Engineering

Lecture 10: Managing Lecture 10: Managing Uncertainty in the Supply Chain Uncertainty in the

1 Infrastructure Requirements Limit Reuse Planned Indirect Potable Reuse (Purple pipe may be a

Reasoning with Uncertainty C h a p t e r 13 1 Outline Uncertainty Probability

Managing Expectation in Times of Uncertainty Duke Residency and Executive Coaching Programs

Dr. Tom Hicks Computer Science Department Trinity University 1 1 About Design With Reuse 2

Managing Design-Time Uncertainty Michalis Famelis, Marsha Chechik MODELS 2017 Austin TX, USA

Uncertainty AIMA Chapter 13 Outline Uncertainty Uncertainty Probability Syntax and

Design with Reuse Building software from reusable components 2 Software reuse In most

A formal approach for fostering component reuse and managing software change Abderrahman MOKNI,

Software Reuse From informal reuse (scavenging) to systematic reuse Management and technical

Managing Through Uncertainty Destination Success Paper Presentation Faculty/Staff

18.09.2018 Managing Change under Uncertainty Esther Celosse 1 International Corporate

A Reuse- and Prototyping- based Approach for the Specification of Building Automation Systems

The Vital Role of Reuse in Modern Water Management: The Colorado Water Plan Opportunity Laura

Lecture 10: Managing Lecture 10: Managing INSE 6300/4 INSE 6300/4- -UU UU Uncertainty in

Managing Uncertainty in the Context of Risk Acceptance Decision-Making at NASA: Thinking Beyond

Uncertainty in Hazardous Materials Transportation Changhyun Kwon Department of Industrial &amp;

UNCERTAINTY IN KNOWLEDGE Ch. 9 Uncertainty in Knowledge 1 Sources of Uncertainty

FE design optimization under uncertainty as a Constrained optimization problem under uncertainty

CS 5150 So(ware Engineering Reuse and Legacy Systems

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Defined Benefits: today and tomorrow Valuing and managing liabilities Considerable uncertainty

Reuse-based & Choreography-based Distributed Systems Reuse-based Software Engineering

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