How the Internet Stays Connected? - ByteByteGo Newsletter

The Internet blinked and Facebook disappeared. For nearly six hours in October 2021, Facebook’s apps vanished from the online world. In this issue, we unpack the anatomy of this severe outage to understand the deeper machinery powering the global Internet. Recap how DNS resolution works, from root servers to resolving a domain Explain the border gateway protocol (BGP) - the glue holding the decentralized Internet together Trace how packets traverse multiple networks to reach destinations Reconstruct the sequence of events that caused Facebook's infrastructure to vanish Discuss the power and fragility of the core protocols that keep information flowing online By peering into the inner workings of DNS and BGP, we’ll shed light on the incredible infrastructure that keeps us all connected online. Let's dive into the fascinating world of protocols behind the scenes. In a recent issue, we offered an in-depth exploration of DNS. This week, let’s take a step further. We’ll look at how the Inte

The Internet blinked and Facebook disappeared. For nearly six hours in October 2021, Facebook’s apps vanished from the online world. In this issue, we unpack the anatomy of this severe outage to understand the deeper machinery powering the global Internet. Recap how DNS resolution works, from root servers to resolving a domain Explain the border gateway protocol (BGP) - the glue holding the decentralized Internet together Trace how packets traverse multiple networks to reach destinations Reconstruct the sequence of events that caused Facebook's infrastructure to vanish Discuss the power and fr