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Differentiate between TCP and UDP.

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Feature TCP UDP
Connection Type Connection-oriented Connectionless
Reliability Reliable: ensures data delivery Unreliable: no guaranteed delivery
Acknowledgments Yes (acknowledgment for each packet) No acknowledgment of packet delivery
Order of Delivery Yes (maintains order of sent packets) No (order of delivery not guaranteed)
Flow Control Yes (implements flow control to manage data transfer) No (limited flow control, relies on the application)
Error Checking Yes (error-checking through checksums) Limited (optional checksum)
Header Size Larger header size Smaller header size
Transmission Speed Slower than UDP due to connection setup Faster than TCP due to no connection setup
Usage Reliable data transfer (e.g., file transfer, web browsing) Real-time applications (e.g., video streaming, online gaming)
Examples HTTP, FTP, SMTP DNS, DHCP, VoIP

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