Elimination of data copying for multimedia communication

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Third International Workshop on Real-Time Computing Systems Application (RTCSA'96)

Seoul, Korea

October 30-November 01

ISBN: 0-8186-7626-4

	ASCII Text	x
	Kyoung-Sang Yu, Hyuck Yoo, "Elimination of data copying for multimedia communication," Real-Time Computing Systems and Applications, International Workshop on, pp. 4, Third International Workshop on Real-Time Computing Systems Application (RTCSA'96), 1996.

	BibTex	x
	@article{ 10.1109/RTCSA.1996.554953, author = {Kyoung-Sang Yu and Hyuck Yoo}, title = {Elimination of data copying for multimedia communication}, journal ={Real-Time Computing Systems and Applications, International Workshop on}, volume = {0}, year = {1996}, isbn = {0-8186-7626-4}, pages = {4}, doi = {http://doi.ieeecomputersociety.org/10.1109/RTCSA.1996.554953}, publisher = {IEEE Computer Society}, address = {Los Alamitos, CA, USA}, }

	RefWorks Procite/RefMan/Endnote	x
	TY - CONF JO - Real-Time Computing Systems and Applications, International Workshop on TI - Elimination of data copying for multimedia communication SN - 0-8186-7626-4 SP EP A1 - Kyoung-Sang Yu, A1 - Hyuck Yoo, PY - 1996 KW - multimedia communication; data copying; multimedia communication; UDP; overhead; per-byte overhead; semantics; throughput improvement rate VL - 0 JA - Real-Time Computing Systems and Applications, International Workshop on ER -

Kyoung-Sang Yu, Dept. of Comput. Sci. & Eng., Korea Univ., South Korea

Hyuck Yoo, Dept. of Comput. Sci. & Eng., Korea Univ., South Korea

DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/RTCSA.1996.554953

UDP is a reasonable alternative for multimedia communication. Although UDP provides unreliable service, it fits well with the characteristics of multimedia communication. The goal of this paper is to minimize the overhead of UDP for multimedia communication. The overhead of UDP is dominated by per-byte overhead. This paper investigates how to reduce the number of data copying, which is a major component of the per-byte overhead of UDP. We propose a new semantics for the UDP send to eliminate data copying. The implementation of the new semantics has been done in the Linux operating system. Performance measurements show that the new UDP send achieves better throughput (over 30 percent for 4 K bytes packets) than the traditional send. The results also show that the throughput improvement rate gets larger as the packet size grows.

Index Terms:

multimedia communication; data copying; multimedia communication; UDP; overhead; per-byte overhead; semantics; throughput improvement rate

Citation:

Kyoung-Sang Yu, Hyuck Yoo, "Elimination of data copying for multimedia communication," rtcsa, pp.4, Third International Workshop on Real-Time Computing Systems Application (RTCSA'96), 1996

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