Date Added: Feb 2012
This paper describes about the Mix networks that are designed to provide anonymity for users in a variety of applications, including anonymous web browsing and numerous E-commerce systems. These networks have been shown to be susceptible to flow correlation attacks empirically. This paper also describes about the anonymous communication and the realization in the onion routing and helps in exploring their use in variety of applications. In today's expanding on-line world, there is an increasing concern about the protection of anonymity and privacy in electronic services. In the past, many technical solutions have been proposed that hide a user's identity in various applications and services.