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2016 Internet Outages: Trends, Insights & Analysis

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As the Internet becomes the glue that binds service delivery, it is critical to have visibility over its shortcomings, especially during a crisis. After analyzing the top Internet outages that plagued 2016, we uncovered distinct patterns that reiterate the need for smarter monitoring and redundant network architectures. Learn about:
- Top 4 common trends that dominated the Internet outages of 2016
- Why network monitoring is critical to building smarter networks
- How to monitor critical infrastructure and analyze an outage

Published in: Technology
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2016 Internet Outages: Trends, Insights & Analysis

  1. 1. 2016 Internet Outages Trends, Insights & Analysis Archana Kesavan Product Marketing Manager
  2. 2. 1 About ThousandEyes ThousandEyes delivers visibility into every network your organization relies on. Founded by network experts; strong investor backing Relied on for critical operations by leading enterprises Recognized as an innovative new approach 31 Fortune 500 5 top 5 SaaS Companies 4 top 6 US Banks
  3. 3. 2 State of the Internet in 2016 • DDoS Attacks – DNS based, high volume attacks • Infrastructure Overload – Network & applications unable to handle peak traffic • Internet Fragility – Localized cable cuts can cause world-wide impact • Redundancy is important! Trends
  4. 4. 3 • The Internet is vulnerable and dependent on critical infrastructure like DNS. What did the 2016 outages reveal? • Planning oversight and insufficient pre-production testing can result in poor user-experience. In a DDoS State of Mind Infrastructure Overload • Cable cuts, user-induced BGP misconfigurations can be fatal. • Prolonged outages due to lack of redundant infrastructure. Internet Fragility Resiliency & Redundancy
  5. 5. 4 • Monitor revenue generating assets. • Manage your DNS service providers. • Keep routing in-check. Prepare for the Year Ahead • Diversify with multiple data centers, upstream ISP providers and DNS providers. • Ensure efficient server load-balancing, Monitor business critical services Build resilient networks • Baseline your network to identify bottlenecks and ISP behavior. • Pre-test your environment. Be Proactive
  6. 6. 5 Demo 1. Monitor your critical services for DDoS Attacks Dyn DDoS Attack
  7. 7. 6 DDoS: Dyn Sees Availability and Loss Issues Correlates with 100% packet loss Low of 0% availability
  8. 8. 7 DDoS: Dyn Traffic Terminates in Telia Anycast IP accessible from some locations Traffic terminating in Telia network
  9. 9. 8 Demo 2. Overloaded networks & service delivery Powerball unable to handle heavy traffic
  10. 10. 9 Powerball Outage Page load time spikes to 10seconds at the time of the lottery
  11. 11. 10 Powerball Outage Powerball introduces Microsoft cloud data centers to handle the uptick in traffic 100% packet loss
  12. 12. 11 Powerball Outage Powerball futher introduces Edgecast CDN a few minutes after the lottery to handle traffic
  13. 13. 12 Demo 3. Impact of misconfigured routes/route-leaks Amazon route leak through Hurricane Electric
  14. 14. 13 Before the Route Leak Amazon /20 prefix advertised by Amazon AS 16509 to upstream ISPs
  15. 15. 14 Amazon Route Leak Route leak introduced results in traffic from Portland going via Zurich to reach Amazon in the US 100% packet loss within Hurricane Electric node in Zurich
  16. 16. 15 Amazon Route Leak Upstream ISP introduces new /21 prefix Innofield introduces a more specific prefix (/21) for Amazon to a private AS. Results in all traffic going via Hurricane Electric to Amazon to be dropped!!
  17. 17. 16 See what you’re missing. Watch the webinar: https://www.thousandeyes.com/resources/internet-outages-2016-webinar

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