Round number A message has already visited Aims to tolerate these many failures Each message gets sent to Total number of messages in round1 1 f n − 1 n − 12 2 f − 1 n − 2 (n − 1) • (n − 2)... ... ... ... ... x x (f + 1) − x n − x (n − 1)(n − 2)... (n − x)x + 1 x + 1 (f + 1) − n − x − 1 (n − 1)(n − 2)... (n − x − 1) x − 1 ... ... ... ... ... f + 1 f + 1 0 n − f − 1 (n − 1)(n − 2)... (n − f − 1)
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