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Instant message systems adopt a distributed network architecture, which consists of core servers, park servers and terminal users. The servers need to maintain the data consistency and the mutual backup. Firstly, this paper discusses the JDBC fundamental, which includes the JDBC interface technology, the JDBC architecture, the JDBC drivers and the JDBC connection pool. Secondly, it describes the core...
This paper introduces a software as a service (SaaS) application which is designed and delivered in high level maturity model. In order to realize the configurability, metadata is used to define all the variability points of the application. Meanwhile, JMX is used to manage the metadata so that changed metadata can be hot deployed immediately during runtime. Scalability is discussed both in application...
Nowadays, system and network resource management software should deal with more and more heterogeneous specific interfaces of different resource. This is a tightly-coupled management model. Recent years, Web Services have become the major technology and architecture of SOA for enterprise applications. Web Services provides a loosely-coupled management model. In this paper, based on the Web Services-based...
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