I had a similar comment re. eventual consistency; and I think this is a case of eventual consistency. I think it doesn't work because the problem becomes "when

I had a similar comment re. eventual consistency; and I think this is a case of eventual consistency. I think it doesn't work because the problem becomes "when to retreat". It actually introduces a third state (attack; retreat; do nothing), where I might retreat today, and you do nothing. Out of interest, if you set a time/date on when to retreat, how would the message look like, and how would you define confirmation for both parties?