In this study, we present a dynamic anonymity management model for communication networks that allows users to self-control their desired level of anonymity protection. Inspired by well-established closed-loop control systems, which continuously adjust parameters based on feedback, we incorporate similar feedback mechanisms into anonymous communication systems. With this continuous feedback mechanism, users can measure their current anonymity protection and take action (e.g., sending fake messages) to increase if their protection level is below than desired. Thereby, we distribute the task of anonymity protection between the user and the system. The experimental results demonstrate that the proposed model effectively achieves and maintains the desired level of anonymity protection.