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The Network Is Reliable and Other Stories

I was cleaning my Blog Post Ideas Evernote notebook and found these gems hidden deep inside its bowels:

I still haven’t found the presentation in which someone (from Facebook?) explained how long DNS information with long-expired TTLs persists in the clients. Relevant links would be highly appreciated.

If you're serious about deep-diving into distributed systems, here's the list of materials to master (thanks to Yuriy Babenko).


  1. This is a wonderful post especially "the Network is reliable" link.
  2. "cloud2butt" effect in "The network is reliable" is quite hilarious.
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