Studies Of Distributed Network Management Architecture

Managing the complex, large scale computer network using the traditional client/server-based network management architecture has lots of limitations,such as the pre-defined agent process,narrow computing ability and using the managed network to transport the large amount of unstrained original data from devices to manager. The current methods and technologies for distributed network management are discussed,including MbD,JMAPI, CORBA and so on.In this dissertation,a new network management architecture(NMBMA) based on mobile agent is presented,which can solves some drawbacks of traditional one.The main work and innovation of this dissertation are: 1 .The network management domain-specific mobile agent system architecture and mobile agent model are proposed and described in details.The lifecycle of mobile agent is described by using state diagram. The layered security model is introduced.The mobility model is distinguished by the complete and partial one as well as the explicite mobility and implicite one. 2.Aimming at the complexity and heterogeneity of the network,the abstract network entity (ANE) is presented and defined in details.The mobile agent is also classified and studied from the point of the mobile mechinisim along with the resposibility view. The NMBMA, which the main component is ANE, is put forward and described by using organizational, informationl, computational and implementary model. 3.The two architectures, NMBMA and Client/Server-based one, are compared and analyzed quantitatively and qualitatively. 4.The prototype based on the above NMBMA is designed and some examples are described in the prototype.