7 / 10 Clocks, Ordering & Causality

TCP Per-Pair Connections and Broadcast Ordering

A system uses TCP between every pair of processes and implements broadcast by sending individual TCP messages to each recipient. Which ordering guarantee does this provide for broadcast messages?

A

No ordering guarantees beyond per-link reliability

B

FIFO broadcast but not causal broadcast

C

Causal broadcast but not total order broadcast

D

Total order broadcast