Why Authoritative Dns Performance Is So Hard To Measure - And What We Did About It
IBM News, Friday, August 9th, 2024
Domain Name System (DNS) is rightly celebrated as the protocol that makes the internet possible. DNS is known as the phonebook of the internet because it translates domain names to IP addresses so browsers can load internet resources. It usually works sufficiently enough that most network teams barely pause to think about it.
Yet DNS also has the dubious distinction of being the protocol that breaks the internet or slows it down. 'It's always DNS' isn't just a meme or a joking explanation for downtime that appears on Reddit threads. It's an expression of reality: the blame for poor application performance is often traced back to issues with underlying DNS systems.