Loopix a mix based anonymity architecture discovered by a group of Security Researchers from University College London, which adds more strength to anonymity.
It uses cover traffic and Poisson blending to give anonymity and to accomplish traffic examination resistance against, a global network.
Loopix is instantiated as a system of Poisson blend hubs in a stratified topology with a low number of connections, which serve to additionally focus cover traffic.
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The traffic movements likewise fill in as a cover activity to give more grounded anonymity and a measure of the sender and recipient unobservability.
Now Onion Routing is one of the most popular anonymous communication, but however cover traffic is employed, onion routing is susceptible to traffic analysis attacks by an adversary that can monitor network links between nodes.
Likewise, Tor, Loopix also based on the concept of mix networks, but Loopix uses a traditional message-based architecture coupled with Poisson mixing — adding irregular time delays to each message.
Message Exchange
Loopix provides ‘third-party’ anonymity, namely it hides the sender-receiver relationships from third parties, but senders and recipients can identify one another.It does provide anonymity for private Email and message applications.
Users allowed to distinguished senders and receivers to route the traffic anonymously with the cluster of mix servers and relays.All messages in Loopix are end-to-end encrypted and encapsulated into packets to be processed by the mix network.
It relies on Sphinx packet format to provide bitwise unlinkability of incoming and outgoing messages from a mix server it does not leak information about the number of hops a single message has traversed or the total path length and it is resistant to tagging attacks.
Compare to other Anonymous Communication System
Loopix is still in paper, researchers said its mix system explores the design space frontiers of low-latency mixing. We balance cover traffic and message delays to achieve a tunable trade-off between real traffic and cover traffic, and between latency and good anonymity.For more details refer security paper published by Researchers by experts here.
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