Investigating, modeling and evaluating the interface complexity of Web Services

2011 International Conference on Communications, Computing and Control Applications (CCCA) Pub Date : 2011-03-03 DOI:10.1109/CCCA.2011.6031227

Litao Deng, Ailin Zhou, Hongchen Guo, Peng Han

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引用次数: 1

Abstract

this paper emphasizes on the interface complexity — one of the most influential factors affecting Web Services invocation performance. Our ultimate goal is to propose a novel and versatile model to measure the interface complexity. First we introduce the term WSDL2Java Cost to measure the overall cost for converting a WSDL file into server-side Java source code. Then we conduct myriads of experiments to respectively figure out the correlations between parameters, operations, their synthetic effects and the WSDL2Java Cost with various SOAP toolkits. We analyze the experimental results, finding an interesting feature called PODU (Parameter-to-Operation Distribution Unrelated), and introduce a model named WSDL Contour to measure the interface complexity. In order to test our model, we ad hoc refer to more than 9,000 WSDL files on the World Wide Web. In the end, based on our experimental results and the WSDL Contour model, we give some advice on Web Services Interface Design Principle, especially on the Web Services Granularity in the aspect of interface complexity.

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调查、建模和评估Web服务的接口复杂性

接口复杂性是影响Web服务调用性能的主要因素之一。我们的最终目标是提出一种新颖的通用模型来测量接口复杂性。首先，我们引入术语WSDL2Java Cost来度量将WSDL文件转换为服务器端Java源代码的总成本。然后，我们进行了大量的实验，分别计算出参数、操作及其综合效果与使用各种SOAP工具包的WSDL2Java成本之间的相关性。我们分析了实验结果，发现了一个名为PODU(参数到操作分布无关)的有趣特征，并引入了一个名为WSDL Contour的模型来度量接口复杂性。为了测试我们的模型，我们特别引用了万维网上的9000多个WSDL文件。最后，根据实验结果和WSDL轮廓模型，对Web服务接口设计原则，特别是在接口复杂度方面的Web服务粒度提出了一些建议。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2011 International Conference on Communications, Computing and Control Applications (CCCA)

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