TLDR: retry only if the error is owned by the immediate next hop (assuming you can determine ownership). The engineering is sound, but the article misses a impo

TLDR: retry only if the error is owned by the immediate next hop (assuming you can determine ownership). The engineering is sound, but the article misses a important connection to queueing theory which shows in much simpler terms how retries can increase the instability of a system already under stress.