Nah, it's at-least-once. For undelivered pizza you request a retransmit. I've se...

		lmm on March 26, 2015 \| parent \| context \| favorite \| on: You Cannot Have Exactly-Once Delivery Nah, it's at-least-once. For undelivered pizza you request a retransmit. I've seen people get duplicate packets if they requested a retransmit too early.