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E:\legacy systems3


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E:\legacy systems3

  1. 1. Legacy Systems<br />A Necessary Evil<br />
  2. 2. General Info<br />NPOs in general have little to no tech budget.<br />Government is the same.<br />Specialized Operations<br />
  3. 3. GR Water<br />LMFP<br />CB<br />Boosters<br />Field Ops<br />Meters<br />Customer Service<br />Take a tour of water:<br />
  4. 4. Keeping the Legacy Alive<br />Cost<br />Resistance to Change<br />Fear of future problems<br />
  5. 5.
  6. 6. How to Combat Problems<br />Cost comparison <br />Integration over time, bribery<br />Available support<br />http://antfarm/<br />Manufacturer resources <br />Lessons Learned<br />BPI<br />Advantages of Replacement<br />
  7. 7.
  8. 8. Coldbrook Control Center<br />
  9. 9. The OLD system<br />
  10. 10. RTUs<br />old<br />newer<br />
  11. 11. ScadaVision and Fix32<br />
  12. 12. Sample Scada Booster Display<br />
  13. 13. Training and Technology Legacy Costs<br /><ul><li>Is training included in bid?
  14. 14. Who corrects mistakes?
  15. 15. Who checks the contractor’s work?
  16. 16. Voter/citizen scrutiny and transparency in government spending
  17. 17. The Future of SCADA
  18. 18.</li></li></ul><li>1.Chiasson, Michel. “Should Legacy Systems Stay or Should They Go?” National Underwriter. Life and Health. Sep 4, 2006. ABI/INFORM global pg. 50.<br />2. Clabaugh, Gavin. Class interview/presentation 3/15/2010.<br />Kulonda, Dennis, University of Central Florida, Mohammed Arif, Carthage College, & Captain Jennifer Luce, United States Air Force. Journal of Knowledge Management Practice, December 2003 Legacy Systems: Must History Repeat Itself?<br />3. Kavanagh, John. “Moving Ahead with the Best of the Old.” Computer Weekly. Sutton: Apr 12, 2005. pg 36-7.<br />4. McIntyre, Ken. Electrician II for City of Grand Rapids Water Systems. Multiple interviews and discussions during the semester.<br />5.Robertson, Paul. “Integrating Legacy Systems with Modern Corporate Applications.” Communications of the ACM. May 1197. Vol. 40, No. 5. pg 39.<br />6. Schach, S.R., (1990), “Software Engineering”, Irwin, Homewood, IL.<br />Sources<br />