The Internet is inherently a multipath network: For an underlying network with only a single
path, connecting various nodes would have been debilitatingly fragile. Unfortunately …

Communication privacy has been a growing concern, particularly with the Internet becoming
a major hub of our daily interactions. Revelations of government tracking and corporate …

Anonymous communication tools, such as Tor, are extensively employed by users who want
to keep their web activity private. But recent works have shown that when a local, passive …

Anonymity services have seen high growth rates with increased usage in the past few years.
Among various services, Tor is one of the most popular peer-to-peer anonymizing service. In …

We present ShorTor, a protocol for reducing latency on the Tor network. ShorTor uses multi-
hop overlay routing, a technique typically employed by content delivery networks, to …

Multipath TCP (MPTCP) is an experimental TCP extension designed to add functionality to
TCP while remaining backwards-compatible with most networks and devices. MPTCP …

We present DONAR, a system enabling anonymous VoIP with good quality-of-experience
(QoE) over Tor. No individual Tor link can match VoIP networking requirements. DONAR …

Interactive and multimedia applications depend on the stability of end-to-end paths for
predictable performance and good quality of service. On the other hand, network providers …

Anonymization networks (eg, Tor) help in protecting the privacy of Internet users. However,
the benefit of privacy protection comes at the cost of severe performance loss. This …

We study whether the layered encryption and, thus, anonymity of communication can be
implemented all-optically, granting ultra-high speed communication and processing. To this …