SUMMARY
The massive internet outage affecting the Western US on December 27, 2018, was primarily caused by a faulty networking card at CenturyLink in Colorado. This outage impacted multiple providers, including Verizon, due to line sharing. The incident drew comparisons to the 1987 AT&T outage, which was caused by a software bug and resulted in widespread service disruption. Additionally, a cyber attack occurred around the same time, raising questions about a potential connection, although no definitive cause has been established for the CenturyLink outage.
PREREQUISITES
- Understanding of networking hardware, specifically networking cards
- Familiarity with internet service provider operations and line sharing
- Knowledge of historical internet outages and their causes
- Basic awareness of cybersecurity threats and their implications
NEXT STEPS
- Research the impact of networking hardware failures on service outages
- Explore the history of major internet outages and their causes
- Learn about cybersecurity measures and their importance in preventing service disruptions
- Investigate the role of line sharing among internet service providers
USEFUL FOR
Network engineers, IT professionals, cybersecurity analysts, and anyone interested in understanding the complexities of internet service reliability and outage management.