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Chapter 84 Research on Data Transmission

Yuqing Mo

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Abstract

This paper mainly introduces the data transmission and datagram sending and receiving procedures. The datagram sending and receiving are real- ized through the two classes of VC++ MFC. Currently, the frequently used net- work protocols include TCP, RTP, and UDP, among which the most complex one is TCP with the highest reliability but poor efficiency. Generally, RTP protocol is applied to real-time streaming media transmission with less reliability than TCP, and also relies on UDP but with poorer efficiency than UDP. UDP is the simplest transport layer protocol without controls on errors, traffics, and congestions. Its simplicity brings high efficiency, but it is only responsible for data transmission, leaving the traffic and error controls to the high layer to solve, so by such a way it can shorten data transmission time to the minimum and improve the efficiency of data transmission system.

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What this paper is about

This paper mainly introduces the data transmission and datagram sending and receiving procedures. The datagram sending and receiving are real- ized through the two classes of VC++ MFC. Currently, the frequently used net- work protocols include TCP, RTP, and UDP, among which the most complex one is TCP with the highest reliability but poor efficiency. Generally, RTP protocol is applied to real-time streaming media transmission with less reliability than TCP, and also relies on UDP but with poorer efficiency than UDP. UDP is the simplest transport layer protocol without controls on errors, traffics, and congestions. Its simplicity brings high efficiency, but it is only responsible for data transmission, leaving the traffic and error controls to the high layer to solve, so by such a way it can shorten data transmission time to the minimum and improve the efficiency of data transmission system.

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Available abstract

This paper mainly introduces the data transmission and datagram sending and receiving procedures. The datagram sending and receiving are real- ized through the two classes of VC++ MFC. Currently, the frequently used net- work protocols include TCP, RTP, and UDP, among which the most complex one is TCP with the highest reliability but poor efficiency. Generally, RTP protocol is applied to real-time streaming media transmission with less reliability than TCP, and also relies on UDP but with poorer efficiency than UDP. UDP is the simplest transport layer protocol without controls on errors, traffics, and congestions. Its simplicity brings high efficiency, but it is only responsible for data transmission, leaving the traffic and error controls to the high layer to solve, so by such a way it can shorten data transmission time to the minimum and improve the efficiency of data transmission system.

Key concepts: Datagram, User Datagram Protocol, Transmission Control Protocol, Computer science, Reliability (semiconductor), Transport layer, Transmission (telecommunications), Computer network

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