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.
He means naming things
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.
I thought he meant IE support.
"There are only two hard problems in CS :
1. Naming things.
2. Cache invalidation. "
"There are only two hard problems in CS : 1. Naming things. 2. Cache invalidation. 3. Off-by-one errors"
Only you got the order wrong. One of those distributed systems problems.
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
Not if they developed using Espresso CSS editor that just had v3 released on March 30th.