Date Added: Feb 2012
In recent years not only use of internet is increased very rapidly but attackers on internet increased. The use of internet nothing but a transferring of data from one place to another place now when many users at a time transferring data from one place to another that create traffic. It is very desirable to perform data analysis on traffic aggregated over thousands of node; which will provide network operator with a holistic view of network operation. Recently attackers are attacking on internet traffic. This is noble idea way to attack on internet. Now in this survey paper, the authors proposed a way that analyzed or detect traffic. Combinations of hardware and software tool what can detect decode and manipulate traffic on the network.