Ordered vs Not Ordered
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What is Ordered vs Not Ordered?
In the context of TCP vs UDP, "ordered" and "not ordered" refers to the order in which packets are received. In TCP (Transmission Control Protocol), packets are ordered. This means that the packets of data are sent and received in the same order. For example, if packet 1, packet 2, and packet 3 are sent in that order, they will be delivered and read in that exact order whether packet 2 takes longer to send or not. On the other hand, UDP (User Datagram Protocol) is not ordered. The packets of data are independent of each other. So, if packet 1, packet 2, and packet 3 are sent in that order, they could be received in a different order such as packet 2, packet 1, then packet 3. This happens because UDP doesn't re-order packets as TCP does.
Free resources to learn Ordered vs Not Ordered
More in stage 4: TCP vs UDP
Ordered vs Not Ordered: common questions
Can I learn Ordered vs Not Ordered in Hindi?
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Is this Ordered vs Not Ordered tutorial for beginners?
It is lesson 13 of 156 in the free Server Side Game Developer roadmap, in stage 4, TCP vs UDP. If you are new to Server Side Game Developer, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.