To achieve consistency, the players have to reach an agreement on the game state. However, this opens a door to distributed consensus problems. Let us look at one of them, called the two-generals problem: Two generals have to agree whether to attack a target. They have couriers carrying the messages to and fro, but the delivery of the message is unreliable. Is it possible for them to be sure that they have an agreement on what do? For a further discussion on consensus problems, see Lamport and Lynch

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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To achieve consistency, the players have to reach an agreement on the game state.
However, this opens a door to distributed consensus problems. Let us look at one of
them, called the two-generals problem: Two generals have to agree whether to attack
a target. They have couriers carrying the messages to and fro, but the delivery of the
message is unreliable. Is it possible for them to be sure that they have an agreement
on what do? For a further discussion on consensus problems, see Lamport and Lynch

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