  Anonymous communication systems (ACS) offer privacy and anonymity through the
Internet. They are mostly free tools and are popular among users all over the
world. In the recent years, anonymity applications faced many problems
regarding traffic engineering methods. Even though they ensure privacy under
some conditions, their anonymity will be endangered by high performance
processing units. To address these issues, this study is devoted to
investigating traffic-engineering methods in anonymous communication systems,
and proposes an analytical view of the current issues in ACS privacy and
anonymity. Our study also indicates new types of solutions for these current
issues with ACS.
