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Copyright of Computer Measurement & Control is the property of Magazine Agency of Computer Measurement & Control and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Computer Measurement & Control is the property of Magazine Agency of Computer Measurement & Control and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Based on the research of software framework and analysis on telecommunication software,component ori-ented software framework for telecommunication software（COSFoTS） was put forwared.The architecture and the key issues of COSFoTS,such as software bus based kernel design,the orthogonal decomposition of functional components and ALDL（application logic description language）based application logic generation were specified.Moreover,the soft-ware development process using COSFoTS was also introduced.COSFoTS had been put into practice in the development of telecommunication software "soft switch controller supporting multimedia and mobile service",and was proved to be effective on simplifying the development of telecommunication software and improving the quality of telecommunication software products.

Software monitoring is an important means to check whether a large-scale distributed system complies with its intended behavior, which is the foundation of further online adjustment and evolution activities. This paper proposes a framework named Mega that supports the development and running of monitoring-enabled distributed software systems. On the one hand, a dedicated language is introduced into the framework to describe where and what should be monitored at runtime, which separates the monitoring logic and the functional logic and enables the former to be developed efficiently and maintained independently. On the other hand, an event-based model for monitoring data processing is introduced, which is scalable and extensible in large-scale distributed systems. Based on the description of the feature of the Mega framework, this paper presents a set of monitoring design patterns as well, which can support the development of large-scale distributed systems with monitoring capability. [ABSTRACT FROM AUTHOR]