Public and private communication networks have a growing importance for our daily life. The
globally networked society places great demand on the dissemination and sharing of person …

Recently, Edman et al. proposed the system's anonymity level [10], a combinatorial
approach to measure the amount of additional information needed to reveal the …

We revisit the problem of anonymous communication, in which users wish to send
messages to each other without revealing their identities. We propose a novel framework to …

While technologies for anonymous communication have been thoroughly researched and
despite the existence of several protection services, the deployment of such services has not …

Currently fielded anonymous communication systems either introduce too much delay and
thus have few users and little security, or have many users but too little delay to provide …

Anonymous communication networks (ACNs) are intended to protect the metadata privacy
during the communication. As typical ACNs, onion mix-nets adopt source routing where the …

Anonymity is generally conceived to be an integral part of user's right to privacy. Without
anonymity, many online activities would become prone to eavesdropping, making them …

Hiding contents of users' messages has been successfully addressed before, while
anonymization of message senders remains a challenge since users do not usually trust …

What does it mean to be anonymous in network communications? Our central thesis is that
both the theoretical literature and the deployed systems have gotten the answer essentially …