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Self-Managed Future Wireless Networks?

Self-Managed Future Wireless Networks?. Lixin Gao University of Massachusetts, Amherst. Monitoring Trouble-shooting Visibility Self-healing Robustness. Complexity Do we even know how to quantify? Typical metrics: Performance: throughput Energy consumption Protocol Verification

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Self-Managed Future Wireless Networks?

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  1. Self-Managed Future Wireless Networks? Lixin Gao University of Massachusetts, Amherst

  2. Monitoring Trouble-shooting Visibility Self-healing Robustness Complexity Do we even know how to quantify? Typical metrics: Performance: throughput Energy consumption Protocol Verification Well–behaved nodes Malicious nodes Selfish nodes Manageability as a Goal

  3. Too Early to Think about Manageability? • Lessons learned from the Internet • BGP – • the de facto standard of interdomain routing • Largest distributed system • What do we know about its property? • Stability • Reliability: 99.999%?

  4. Unstable state: AS1: (0) AS2: (0) Stable state: AS1: (0) AS2: (1, 0) Simple extension of path vector protocol Policy-based routing No Guarantee of Long-Term Stability

  5. Packet Loss due to Transient Blackhole or Loops Failover events: 76% packets lost Recovery events: 26% packets lost Recovery Failover

  6. Transient Blackhole or Loops Forwarding Loops Blackhole

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