Adaptive end-to-end compression for variable-bandwidth communication

被引:10
|
作者
Knutsson, B [1 ]
Björkman, M [1 ]
机构
[1] Univ Uppsala, Dept Comp Syst, S-75105 Uppsala, Sweden
关键词
communication; adaptation; compression;
D O I
10.1016/S0169-7552(98)00299-2
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
In this paper, we present a model for transport level compression with dynamic compression level adaptation, and we present an implementation of this model in Linux TCP, together with measurements showing what performance to expect when using adaptable end-to-end compression over wireless radio links and over an Ethernet. Measurements from our implementation show that for link speeds up to 10 Mbps, employing compression yields a throughput gain for most types of data. For slower speeds (e.g. 1-2 Mbps wireless radio links) this gain is significant (for the Calgary Compression Corpus files, the throughput increase is typically in the range of 50-200%, depending on link speed and data characteristics). (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:767 / 779
页数:13
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