Micro Communication Architecture Of The Vc-based Security Mechanisms

Since the 1990's, apart from the transmission of text on network in traditional way, there rise another application which needs transmission of sound, video data and strong security. At the time when we find some methods to increase the brand-width of trunk network we world begins to do some researches in the field of Architecture of networks .There are two branches in the field: The first one do some work to improve the performance of the multi-layer network which is inherited by the group. The other one gives up the thought of multi-layer architecture and inherits some successful aspects in application of multi-layer network, taking the following as a basic rule: to simple the network architecture, to increase the agility ,security and QoS(Quality of Service)of application on network. The project aims at the security problems and QoS problems of network today. MCES(Micro Communication Element System)can provide some methods to solve both security problems and QoS problems. The main task of the project is to do some research in the field of security in MCES. In the thesis , the author introduces the SUNA(the service unit based network architecture) after analyzing the problems of network architecture today. And then based on analyzing hidden trouble of network security and main techniques of security the author puts forward some methods for MCESBVC(MCES based virtual circuit) on security check ,security defence and security restore .At the end of thesis we do a test on what we put forward and come to a conclusion.