With fast development of Internet, electronic trading becomes more and more popular. “Low latency trading network” has been one of the most popular words in the current Wall Street. In the financial markets, one of the key success factors is to minimize the required time for end-to-end information transmission, transaction validation, calculation and conclusion. Since more and more people make transaction through network, especially mobile network, it becomes important to monitor the performance of trading networks and control the trading latency.