The multi-layered framework of object middleware named ML-DOF is provided through applying aspect-oriented programming (AOP) and component technology to the main framework.

• 基于AOP(Aspect-Oriented-Programming)技术和构件技术，通过层次抽象模型细化总体框架，提出了一种开放实现的层次式分布对象计算环境框架ML-DOF。