December 2015
Intermediate to advanced
292 pages
6h 16m
English
Content preview from Learning Network Programming with JavaBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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TCP versus UDP
There are several differences between TCP and UDP. These differences include the following:
- Reliability: TCP is more reliable than UDP
- Ordering: TCP guarantees the order of packet transmission will be preserved
- Header size: The UDP header is smaller than the TCP header
- Speed: UDP is faster than TCP
When a packet is sent using TCP, the packet is guaranteed to arrive. If it is lost, then it is re-sent. UDP does not offer this guarantee. If the packet does not arrive, then it is not re-sent.
TCP preserves the order that packets are sent in, while UDP does not. If the TCP packets arrive at a destination in a different order than how they were sent, TCP will reassemble the packets in their original order. With UDP, this ordering is not preserved. ...
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