Design And Realization Of Virtual Network Laboratory System Based On Object-Oriented And Parallel Technology

Network becomes more and more important at the age of information, more and more people want to study and research network during cheap, applied, simple and expansible network laboratory, so computer network simulation appears. This paper mainly discusses how to simulate computer network system effectively and how to construct an efficient, useful virtual computer network laboratory system based on object-oriented technology and parallel technology.Firstly, the paper researches object-oriented and parallel technology. Many researches and studies have been done on the combination of the technologies, and material achievements have been bringing out recently. After detailed studying and analyzing parallel programming technology and object-oriented programming technology, the paper proposes the object-oriented and parallel means based on distributing object, the experiment result proves that the means can improve the parallel capability effectively.Afterward, the paper discusses how to construct an efficient, useful system of virtual computer network laboratory based on the technology of object-oriented technology and parallel technology. The key of constructing the system of virtual computer network laboratory is denoted as follows: how to simulate the real equipments using virtual equipments in network, how to simulate the parallel characteristic during the processing of network equipments in real world ,simulate the processing of complicated network system and inosculate the factual observational results .The paper constructs the model of computer network simulator based on parallel and object-oriented technology. It simulates network hardware equipments using parallel object and realizes the parallel operations using multithreading technology in order to simulate network hardware equipments in real world. These methods resolve the key problem—simulating the parallel operating of equipments .The paper designs and realizes the system of virtual computer network. The experiment results prove that the design of virtual network laboratory system is reasonable and the system has good parallel capability, mezzo response speed.