Throughput improvement for Ethernet over USB

Author

Kyungsik Kim ; Jeik Kim ; Deep, Anurag

Author_Institution

Samsung Electron. Co., Ltd., Suwon, South Korea

fYear

2014

fDate

22-25 June 2014

Firstpage

1

Lastpage

2

Abstract

When embedded devices are connected by USB bus, it is convenient to use Ethernet emulation model which can be used for conventional TCP/IP network. USB Communication Data Class (CDC) defines Ethernet over USB protocol which can be implemented by emulation protocol software, but when it is used with real system, it shows performance degradation problems especially for small size latency critical data. In this paper, we have suggested three improvements. One is bundling multiple network frames into single USB transfer, the other is parallel queuing packet transmission requests, and the third is network jumbo frames. After applying above three items together, it results in 50% improvements in throughput.

Keywords

computer network performance evaluation; embedded systems; local area networks; peripheral interfaces; protocols; queueing theory; CDC; Ethernet emulation model; USB bus; USB communication data class; USB protocol; embedded devices; emulation protocol software; multiple network frames; network jumbo frames; parallel queuing packet transmission requests; performance degradation problems; single USB transfer; throughput improvement; Bandwidth; Data transfer; Parallel processing; Protocols; Software; Throughput; Universal Serial Bus; Bundling Ethernet Frame; CDC; EEM; Jumbo Frame; USB;

fLanguage

English

Publisher

ieee

Conference_Titel

Consumer Electronics (ISCE 2014), The 18th IEEE International Symposium on

Conference_Location

JeJu Island

Type

conf

DOI

10.1109/ISCE.2014.6884363

Filename

6884363