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2. Bene: A python network simulator (2017). https://github.com/zappala/bene
3. AS relationships (2020). https://www.caida.org/data/as-relationships/
4. AWS said it mitigated a 2.3 Tbps DDoS attack, the largest ever, June 2020. https://www.zdnet.com/article/aws-said-it-mitigated-a-2-3-tbps-ddos-attack-the-largest-ever/
5. DDoS attacks rise in intensity, sophistication and volume, September 2020. https://www.helpnetsecurity.com/2020/09/17/ddos-attacks-rise-in-intensity-sophistication-and-volume/