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CS598-YYZ : Reliable and Robust Software Overview

CS598-YYZ : Reliable and Robust Software Overview. Yuanyuan (YY) Zhou TA: Feng Qin Volunteer TA: Qingbo Zhu. Returning students. Welcome. Food and Drinks!. Introduce Yourself. Name? What year? Where from? Research interest? Research group? Summer experience?

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CS598-YYZ : Reliable and Robust Software Overview

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  1. CS598-YYZ : Reliable and Robust SoftwareOverview Yuanyuan (YY) Zhou TA: Feng Qin Volunteer TA: Qingbo Zhu

  2. Returning students Welcome

  3. Food and Drinks!

  4. Introduce Yourself • Name? What year? Where from? • Research interest? Research group? • Summer experience? • What is needed the most to improve software reliability? • What would software reliability situation be in 10 years?

  5. Introduce TAs and Volunteers • Official TA: Feng Qin • Volunteer TA: Qingbo Zhu • Volunteers: • Zhenmin Li • Pin Zhou

  6. Buzzwords • Software • Robustness? • the degree to which software can function correctly in the presence of invalid inputs or stressful environment conditions • Reliability? • the probability of failure-free software operation for a specified period of time in a specified environment • Availability? • the probability that the component/system is operational at a given time • Dependability? • property of a software system such that reliance can justifiably be placed on the service it delivers , and it subsumes the usual attributes of reliability, availability, safety, and security etc. • Real life analogy?

  7. Why Software Reliability? • High availability is required for many applications • Average cost for an hour downtime exceeds $6M [Gartner’98] • Software failure greatly reduces system availability • Account for 40% of system failures [Marcus’00] • Contribute to 55% of severe vulnerabilities [CERT] • Reason: people make mistakes • Bugs • Mis-configurations • Security holes

  8. Why Software Reliability? • Check the OSDI’04 schedule • 4.5/9 sessions are related to reliability • Check the SOSP’05 schedule • 3/7 sessions are related to reliability • A quote from a PC: • “SOSP’05 continues the trend of reliability” • Call for proposals on software dependability: • NSF • DARPA • DOD

  9. Topic Matrix • Each student signs up into a cell • Presentation (not required) • Class Project • Surveys Reports and Presentations • Cell surveys (Due 9/26) • Column Surveys (Due 10/24) • Row Surveys (Due 11/28)

  10. Accomplishments • If you can face the challenge… Basic reliability concepts Software bug detections New directions

  11. Specific Goals • Learn basic concepts to software reliability • Failure models, failure injection, general recovery,… • Get familiar with recent research via critiques and surveys • Mis-configuration detection, bug detection, software failure recovery,… • Understand interaction with other fields • OS, machine learning, Statistics, data mining, architecture, compilers, software engineering • Explore new ideas through group projects. • Improve skills • Presentation • Critical thinking • Creative thinking

  12. Another Goal: Magic Box! • Another goal: • Put some common tricks into your magic box! • After each paper, we will summarize what tricks you have added into the box! • You don’t need too many tricks in the magic box, the challenges are • What is the problem? • Which trick to use? (don’t pull out an elephant!)

  13. Big Celebration at End • Poster/demo session with snacks • Sorry, no wine & Cheese! • Potential publications! • DSN, Dec 9 • Usenix Security Symposium, Jan • ASPLOS, Mar 8th • OSDI, May 6 • FSE, May • ICSE, Sept

  14. Topics • Check schedule for details • http://www-courses.cs.uiuc.edu/~cs598yyz/schedule.htm

  15. Where are the Papers from? • SOSP & OSDI • ASPLOS • FTCS/DSN • PLDI • ICSE & FSE • ISCA & Micro • …

  16. Pre-requisite • Basic operating systems • A plus if you have some basic background on • Compilers, programming languages • Software engineering • Machine learning, statistics, data mining… • Distributed computing • Computer network • Architecture

  17. http://www-courses.cs.uiuc.edu/~cs598yyz/schedule.htm Critique assignment Preliminary Schedule

  18. Your Responsibility • Present 2 papers (5%) • Read papers & Writing critiques: Due every Monday (5pm) (Hand-in to TA) (30%) • 3 each week • Participate in discussions (10%) • Viki & classroom discussions • 3 Surveys reports and presentations (20%) • Class project and final report & poster (35%)

  19. Critiques • Why? • Critical thinking • Learn from others • Format: 1 page only for each paper • Brief summary of the paper (2-3 sentences): • Key contributions of this paper (what are different from previous work): • Shortcomings of this paper (at least 2 points) • How can you improve this work? • What ideas can you borrow from this work to apply to your own work or project? • A question that you want to discuss

  20. Presentation • 2 paper presentation • Pick your papers & cell topic by Sept 6 • Send me email about your selection • First come first serve • Each topic at most 3 students • 20 minutes presentation • I will stop you after 20 minutes • Grade: 1-10 • By me, TA and randomly picked 2 students

  21. Class Format?

  22. Class Format • Student presentations • Survey presentation • Discussion

  23. Plea for Participation • 10% grading • Classroom • Newsgroup • Kids-approved candy for • Every good question • Every good answer • At the end of semester • Count all your candy (my candy is “specially” marked) • If you eat the candy, …Yummy…. Well, you’ve already got your reward! • Don’t sue me for giving you too many candy ( I don’t ask you to eat them, right?)

  24. Class Projects • 35% towards your final grade • Almost all projects are pre-defined based on the topic matrix • Additional background literature reading (Survey) • Sept 13: class project selection • Oct 3rd: Project position paper due • Motivation, related work, idea, feasibility, evaluation plan, expected results • Dec 9: class project presentation & demo • Summary Paper (at least 6 pages, 10pt font, single space, double-column, 1in margin)

  25. Class Policies • No late submission (except documented family or medical emergency) • No “incomplete” (except documented family or medical emergency) • Independent work

  26. Grading • Final grades are based on distribution • 40-50% students get A-, A, A+ • 35-45% students get B-, B, or B+ • 5-10% students get C+, C-, C

  27. Enough motivation? Enough interests? Enough background? Enough time? Is This the Right Class for You?

  28. CS598YYZ Information Web: http://www.cs.uiuc.edu/class/fa05/cs598yyz/ • Office Assistant: • Sheila Clark Office: 3253 DCLPhone: 244-6621sdclark@ad.uiuc.edu • Time: 3:30 – 4:45 Tuesday/Thursday • Newsgroup: TBA • Office Hours: by appointments • Instructor: Yuanyuan (YY) Zhou Office: SC 4233 Phone:  4-4563 Email: yyzhou@cs.uiuc.edu • Teaching Assistant: Feng Qin office: SC 4217 Phone: 244-0432Email: fengqin@uiuc.edu • TA Volunteer Qingbo Zhu Office: SC4215 Phone: 244-3064 Email: qzhu1@uiuc.edu

  29. Who will do the next week’s presentation? • Up to 3 volunteers are needed • Advantages: • “Discount” for the presentation grades

  30. Questions?

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