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Self-Managed Future Wireless Networks?

Delve into the intricacies of self-managed wireless networks, exploring monitoring, troubleshooting, and self-healing mechanisms. Learn about typical metrics, protocol verification, and the challenge of quantifying network performance and energy consumption. Discover lessons from the Internet, BGP's role in interdomain routing, stability issues, and the impact of transitions on packet loss and recovery.

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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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