![]() No single node knows the complete communicating path each node in the transmission path is only aware of the node it will get the message from and the next node it is going to send the message to. And as the message hops from one computer or node to another on its way to its destination, it is decrypted one layer at a time. In onion encryption, the sender wraps the message in several layers of encryption, each one hiding the layer beneath. Tor uses onion encryption, while I2P uses garlic encryption. Tor also provides private services known as “onion services,” though this isn’t its main function, and these services are slower than their counterparts in I2P. In this way, Tor and I2P are complementary projects: Tor mainly provides anonymity for regular internet usage, while I2P provides anonymity when you use hidden services on its own network.Īlthough you can still access the regular internet through I2P by using something called “out-proxies,” it is not recommended as it is not part of its formal function. Tor is focused on providing anonymous access to the regular internet, while I2P is focused on providing hidden services – that is, websites that are only accessible through the I2P network and are not accessible from the open internet. ![]() Final Thoughts Tor vs I2P Comparison Table Factor Tor I2P Project’s Focus Optimized to provide anonymity for regular internet usage Optimized to provide anonymity for private services Encryption Onion Garlic User Base Popular Less popular Documentation Better Not as good (Uni/ Bi)directional Bidirectional path Unidirectional path TCP/ UDP Only TCP Both TCP and UDP Centralization Not fully distributed Fully distributed Performance Download speed/ bandwidth is higher and average latency is lower Download speed/ bandwidth is lower and average latency is higher Router Selection Criteria Relies on user-reported bandwidth data Profiling based on observed performance Vulnerability to DoS More Less Vulnerability to Tracking More Less Congestion Control Low because it uses circuit switching Better because it uses packet switching Software language C Java Main Focus of Project.Vulnerabilities to Attacks: DoS ,Tracking.
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