Acting Director

iii Network monitoring system plays a significant role in the network security and management. Network monitoring refers to the observation on the events, happening through the network with the aim of providing a secure and persistent network. However, many small and medium sized companies and organizations prefer to escape from this fact. The most important reason for such companies is that they do not have professional network administrators to be able to use the available network monitoring system in the market. This avoidance would cost them a lot of funds or even failure in capital, in case of network failure. The proposed network monitoring in this thesis, will solve this problem because of its ease of use as well as providing all the required functionalities for monitoring a network. So, the advantage of using the proposed system, would be ability of being used by even novice users who have just basic understanding of using computer applications. According to this fact, this application could be used for small and medium sized organizations, in case of not havin