The messaging protocol that ProudNet provides is as followed.
Reliable messaging | Sending/receiving time of message between hosts could take longer than unreliable. But, it guarantees the arrival of message in orderly fashion. |
Unreliable messaging | Sending/receiving time of message between hosts takes short than reliable but it could mess up the order of arrival and delivery. |
Developer can insert a parameter of RMI function call after selecting one of protocols above.
그림 3-1Reliable message is more like a registered mail. It comes back tomorrow if the recipient isn't at home. On the other hand, unreliable message is like an ordinary postal mail which gets piled in a mailbox which really doesn't care whom picks it up.
Generically the game uses reliable method. But if there are any RMIs filled with a shower of events (which really doesn't bother if some get lost during the transaction.), it is better to use unreliable for them.
Reference
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