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Authors:
James F. Kurose, Keith W. Ross
Chapter:
Application Layer
Exercise:
Review
Question:11 | ISBN:9780132856201 | Edition: 6

Question

Why do HTTP, FTP, SMTP, and POP3 run on top of TCP rather than on UDP?

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Answer

TCP provides all application data be received in the correct order and without gaps, but UDP does not. So, HTTP, FTP, SMTP, and POP3 run on top of TCP rather than on UDP.

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Discussions

Shreejay Mall

TCP is the connection oriented protocol and thus it is more realiable than UDP so we use TCP in these

Post the discussion to improve the above solution.