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Availability Model: status update

Availability Model: status update. Sofie Verbrugge. Outline. Status Collected availability numbers Failure sources Collected numbers energy consumption and footprint Next steps. Status of the work. Goal Come up with NOBEL reference availability numbers

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Availability Model: status update

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  1. Availability Model: status update Sofie Verbrugge

  2. Outline • Status • Collected availability numbers • Failure sources • Collected numbers energy consumption and footprint • Next steps Dept. of Information Technology, Ghent University - IMEC

  3. Status of the work • Goal • Come up with NOBEL reference availability numbers • Estimations of relevant availability numbers • Actions since last meeting (Paris) • Partners judged collected numbers • New inputs concerning theoretical sections • New inputs on power consumption and footprint section • New inputs on network wide availability section Dept. of Information Technology, Ghent University - IMEC

  4. Pre-final version of the document • Availability model • Considered technologies: IP, MPLS, SDH, optical, ASON • Overview of reliability prediction models • Availability and reliability numbers: • More details needed on SDH equipment • Network wide availability • No information for ASTN • Probably because not operational yet • Power consumption and footprint • Tables filled Dept. of Information Technology, Ghent University - IMEC

  5. Remains to be done • Editorial changes • Improve/ shorten section on operational processes • Current version of the section doesn’t fit too well in the document • New valuable input obtained Dept. of Information Technology, Ghent University - IMEC

  6. Outline • Status • Collected availability numbers • Failure sources • Collected numbers energy consumption and footprint • Next steps Dept. of Information Technology, Ghent University - IMEC

  7. IP MTBF[h]=10^9/FIT Dept. of Information Technology, Ghent University - IMEC

  8. SDH Dept. of Information Technology, Ghent University - IMEC

  9. WDM Dept. of Information Technology, Ghent University - IMEC

  10. OEO versus OOO switching systems Dept. of Information Technology, Ghent University - IMEC

  11. Fiber Dept. of Information Technology, Ghent University - IMEC

  12. ASTN Assumption: availability numbers of CP = IP router SW. BUT: impact of a failures is different (IP router: SW failure affects all connections) Dept. of Information Technology, Ghent University - IMEC

  13. Outline • Status • Collected availability numbers • Failure sources • Collected numbers energy consumption and footprint • Next steps Dept. of Information Technology, Ghent University - IMEC

  14. Failure sources Dept. of Information Technology, Ghent University - IMEC

  15. Outline • Status • Collected availability numbers • Failure sources • Collected numbers energy consumption and footprint • Next steps Dept. of Information Technology, Ghent University - IMEC

  16. IP Dept. of Information Technology, Ghent University - IMEC

  17. SDH Dept. of Information Technology, Ghent University - IMEC

  18. WDM Dept. of Information Technology, Ghent University - IMEC

  19. Outline • Status • Collected availability numbers • Failure sources • Collected numbers energy consumption and footprint • Next steps Dept. of Information Technology, Ghent University - IMEC

  20. Next steps • Prepare DRCN submission • Including availability numbers (document), e2e availability studies (AGH, T-Systems) • Deadline: April 15th • Prepare final version of the document • Updated section on operational processes • Try to submit longer paper including all numbers: also • energy consumption and footprint • network wide availability • operational processes • Include in NOBEL deliverable: D27? Dept. of Information Technology, Ghent University - IMEC

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