Удобство и простота использования I2P и Tor, сравнительное исследование полосы пропускания и задержек. |
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I2P Usability vs. Tor Usability A Bandwidth and Latency Comparison | Удобство и простота использования I2P и Tor, сравнительное исследование полосы пропускания и задержек. | |
I2P Usability vs. Tor Usability | Удобство и простота использования I2P в сравнении с TOR | |
A Bandwidth and Latency Comparison | ||
Mathias Ehlert | ||
Humboldt University of Berlin | Берлин, универсиет Гумбольдта (Humboldt University of Berlin) | |
Abstract. This paper analyzes latency and bandwidth drawbacks while using I2P to surf the Internet anonymously. Therefore tests are conducted utilizing scripts previously used to analyse the TOR network. The results gained in the tests for I2P are analysed and in a next step compared to previous results observed in TOR. The results show that I2P can only yield advantages to TOR when issuing simple HTTP-GET-Requests, but is inferior to TOR when browsing complete web sites and downloading les. Also the ndings include that with the described set up, theoretical user cancellation rate while browsing the web using I2P is 100%. | Обзор. Also the findings include that with the described set up, theoretical user cancellation rate while browsing the web using I2P is 100%. | |
Keywords: anonymity, anonymous web browsing, TOR, I2P, comparison, usability, latency, bandwidth | Ключевые слова: анонимность, анонимный серфинг, TOR, I2P, сравнение, исследование, задержки, полоса пропускания, anonymity, anonymous web browsing, comparison, usability, latency, bandwidth. | |
1 Introduction to I2P | ||
I2P is a peer-to-peer (P2P) overlay network which allows participants to interact anonymously within this network. Similar to TOR (The Onion Router) I2P is a mix network which relies on routing data trough multiple peers to render tracing virtually impossible [1]. The project was rst proposed in 2003, having its roots in the Invisible Internet Project (IIP), an anonymous real time communication project. Development has actively been going on since this time. Today I2P already o ers a range of applications which can be used inside the network such as anonymous web browsing, chatting, le-sharing and e-mailing [2] [3]. | I2P это peer-to-peer (P2P) самоорганизующаяся распределённая сеть, которая позволяет участникам взаимодействовать анонимно в пределах этой сети. Подобно TOR (The Onion Router) I2P представляет собой гибридную сеть, данные в которой передаются через несколько участников, что не позволяет отслеживать трафик[1]. | — anonymous real time communication project — zubr |
1.1 Technical Introduction to the I2P Network | ||
I2P's operation is based on the creation of tunnels at each participant (router). Since routes in I2P can only be used in one direction two types of tunnels need to be in place for communicating: inbound and outbound tunnels. In the process of setting up a tunnel for a speci c protocol (HTTP, IRC, . . . ), users can determine how many hops (additional steps) should be used. This enables balancing between security and latency as desired. As soon as the inbound tunnel is established, information about it has to be made public in I2P's "network database" (NetDB). The NetDB is used to store information about how to contact a speci c user. Therefore the "Inbound Gateway", the entry point of the inbound tunnel leading to the actual user, is stored for each participant. The typical process of a client establishing connections in I2P consists of the following steps: | Работа I2P основана на создании туннелей в каждом участнике (маршрутизаторе). Маршрутизатор поддерживает только однонаправленные туннели, входящие или исходяшие, поэтому для каждой полноценной связи требуется минимум два туннеля разных типов. В процессе создания туннеля для конкретного протокола (HTTP, IRC,...), пользователи могут определить длину туннеля: количество промежуточных роутеров сети через которые дополнительно пройдет трафик. Это позволяет выбирать между величиной задержек и уровнем приватности. Как только входящий туннель установлен, информация обнародуется в базе данных сети (NetDB). NetDB используется, чтобы хранить информацию о том, как связаться с определенным пользователем. | — Therefore the "Inbound Gateway", the entry point of the inbound tunnel leading to the actual user, is stored for each participant. — zubr |
— Also the ndings include that with the described set up, theoretical user cancellation rate while browsing the web using I2P is 100%. — zubr