Implementation and Performance Evaluation of the Wireless Transaction Protocol Using UML/SDL 


Vol. 27,  No. 11, pp. 1064-1073, Nov.  2002


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  Abstract

In this paper, we design and implement the Wireless Transaction Protocol (WTP) proposed by the Wireless Application Protocol (WAP) forum using a protocol development tool, SDL Development Tool (SDT). And we conduct a comparative performance evaluation of the WTP implementation with other three implementations that are based on different implementation models respectively: the server modeI, the coroutine model, and the activity-thread model. To implement WTP, we first use Unitied Modeling Language (UML) for analyzing the protocol requirement and defining the protocol engine architecture. Next, we use Software Development Language (SDL) to design the protocol engine in details and then generate the WTP implementation automatically with the aid of SDT. The code size of the WTP implementation generated by SDT is 62% larger than the other three implementations. However, its throughput and system response time for transaction processing is almost equal to the other three implementations when the number of concurrent clients is less than 3,000. If more than 5,000 concurrent clients tries, the transaction success rate abruptly decreases to 10% and system response time increases to 1,500ms, due to the increased protocol processing time. But, it comes from the fact that the load overwhelms the capacity of the PC resource used in this experimentation.

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  Cite this article

[IEEE Style]

H. Jung and K. Lim, "Implementation and Performance Evaluation of the Wireless Transaction Protocol Using UML/SDL," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 11, pp. 1064-1073, 2002. DOI: .

[ACM Style]

Howon Jung and Kyungshik Lim. 2002. Implementation and Performance Evaluation of the Wireless Transaction Protocol Using UML/SDL. The Journal of Korean Institute of Communications and Information Sciences, 27, 11, (2002), 1064-1073. DOI: .

[KICS Style]

Howon Jung and Kyungshik Lim, "Implementation and Performance Evaluation of the Wireless Transaction Protocol Using UML/SDL," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 11, pp. 1064-1073, 11. 2002.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880