3 ms·

I'm sure he means something to do with caches; I had it on the tip of my tongue a moment ago, but the doorbell rang.

• spartanatreyu 10y ago
  He means naming things
• andrewstuart2 10y ago
  Surely this is what he meant. Since edge peering/CDN is fundamentally caching (last I checked). It can't be off-by-one, and there are only 2 hard problems in CS, so there you have it.
• jenscow 10y ago
  I thought he meant IE support.
• bitwiseand 10y ago
  "There are only two hard problems in CS : 1. Naming things. 2. Cache invalidation. "
  • coderholic 10y ago
    "There are only two hard problems in CS : 1. Naming things. 2. Cache invalidation. 3. Off-by-one errors"
  • xapata 10y ago
    Only you got the order wrong. One of those distributed systems problems.
• bitwiseand 10y ago
  "There are only two hard problems in CS : 1. Naming things. 2. Cache invalidation. "
• jamescostian 10y ago
  I'm pretty sure a lack of coffee is the real issue at hand. Google made more architecture to give peers an edge via two different Espresso shots to test