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11th IEEE International Conference on Embedded and Real-Time Computing Systems and Applications (RTCSA'05)
LyraNET: A Zero-Copy TCP/IP Protocol Stack for Embedded Operating Systems
Hong Kong, China
August 17-August 19
ISBN: 0-7695-2346-3
ASCII Text
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Yun-Chen Li, Mei-Ling Chiang, "LyraNET: A Zero-Copy TCP/IP Protocol Stack for Embedded Operating Systems," Real-Time Computing Systems and Applications, International Workshop on, pp. 123-128, 11th IEEE International Conference on Embedded and Real-Time Computing Systems and Applications (RTCSA'05), 2005.
 
 
BibTex
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@article{ 10.1109/RTCSA.2005.57,
author = {Yun-Chen Li and Mei-Ling Chiang},
title = {LyraNET: A Zero-Copy TCP/IP Protocol Stack for Embedded Operating Systems},
journal ={Real-Time Computing Systems and Applications, International Workshop on},
volume = {0},
year = {2005},
issn = {1533-2306},
pages = {123-128},
doi = {http://doi.ieeecomputersociety.org/10.1109/RTCSA.2005.57},
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 - LyraNET: A Zero-Copy TCP/IP Protocol Stack for Embedded Operating Systems
SN - 1533-2306
SP123
EP128
A1 - Yun-Chen Li,
A1 - Mei-Ling Chiang,
PY - 2005
KW - null
VL - 0
JA - Real-Time Computing Systems and Applications, International Workshop on
ER -
 
Yun-Chen Li, National Chi-Nan University
Mei-Ling Chiang, National Chi-Nan University

Embedded systems are usually resource limited in terms of processing power, memory, and power consumption, thus embedded TCP/IP should be designed to make the best use of limited resources. Applying zero-copy mechanism can reduce memory usage and CPU processing time for data transmission. Power consumption can be reduced as well.

In this paper, we present the design and implementation of zero-copy mechanism in the target embedded TCP/IP component, LyraNET, which is derived from Linux TCP/IP codes and remodeled as a reusable software component that is independent from operating systems and hardware. Performance evaluation shows that TCP/IP protocol processing overhead can be significantly decreased by 23-56.22%. Besides, object code size of this network component is only 78% of the size of the original Linux TCP/IP stack. The experience of this study can serve as the reference for embedding Linux TCP/IP stack into a target system and improving the transmission efficiency of Linux TCP/IP by zero-copy implementation.

Citation:
Yun-Chen Li, Mei-Ling Chiang, "LyraNET: A Zero-Copy TCP/IP Protocol Stack for Embedded Operating Systems," rtcsa, pp.123-128, 11th IEEE International Conference on Embedded and Real-Time Computing Systems and Applications (RTCSA'05), 2005
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