| Summary: | 碩士 === 國立交通大學 === 資訊管理學程碩士班 === 92 === Virtual Private Network (VPN) not only possesses the low cost, inexpensive fees, and excellent support advantages of the Internet, it also has the benefit of the security as the leased line. Under the premise of enhancing the competitiveness, more and more enterprises have applied with VPN technology to replace the existing long distance/international leased line. With the prevalence of the electronic society today, the cross-office information automation is becoming even more important as the enterprises are relying more and more on VPN. Hence, how to properly manage the VPN is an issue in which the enterprise IT engineers have to take seriously.
This research is based on the new network management technologies such as Policy-based Network Management, Mobile Agent, etc., to design a VPN monitor and management system architecture that is suitable for the enterprise use and contains high level management with low Network Traffic load. This system architecture integrates the monitor and management for both VPN devices and general network devices, such the feature makes enterprise can integrate the monitor and manage the VPN and Intranet at the same time and solve the problems caused by using the VPN.
The result of this research is to provide enterprises with a VPN system architecture for monitoring and managing the enterprises, as well as to establish a prototype for the enterprise VPN monitor and management system. Such system architecture can effectively assist the semiconductor companies and other similar industries to monitor and manage their enterprise VPN in order to bring to the enterprises an effective management, to utilize the Internet resources, and to reduce the possible operation off time. The prototype system would proof the feasibility of such the systematic architecture and to actually simulate during the enterprise VPN breakdown, it can automatically detect and activate the backup mechanism according to the preset management policy to achieve the effective and fast solution for the enterprise network problems.
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