松散耦合的分布式信息系统

Loosely coupled distributed information system

为充分利用已建成的局部信息系统 ,为用户提供面向全局的应用 ,迫切需要在现有的信息系统基础上构造异构的、松散耦合的分布式信息系统。论文定义了耦合的概念 ,在此基础上给出了松散耦合的分布式信息系统的形式化描述。讨论了松散耦合的分布式信息系统的特点 ,指出松散耦合的分布式信息系统是基于网络的多层信息系统。提出了这种信息系统的的一种构造方法 ,并举例进行说明。实例证明

Heterogeneous and loosely coupled distributed information systems (LCDIS) constructed from existing information systems are needed to take full advantage of existing information systems and to implement global applications for them. A formal description of LCDIS and a definition of a coupled system are given. LCDIS is a network based multi layer distributed information system. The construction method for LCDIS and an example are also introduced. Examples indicate that LCDIS is a useful method for building large distributed information systems, which may effectively use existing information resources.