General description [Документация VAS Experts]
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    en:dpi:dpi_options:opt_filtration:filtration_common:start [2024/08/06 08:53] – elena.krasnobryzhen:dpi:dpi_options:opt_filtration:filtration_common:start [Unknown date] (current) – removed - external edit (Unknown date) 127.0.0.1
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    -====== General description ====== 
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    -<note important>Our filtering solution helps the operator to save on development and support of a solution of his own. It has several advantages over a proxy server. Additionally, the operator gets the platform that enables him to save resources and get an income by providing new value added services.</note> 
    - 
    -Required components: 
    -  - [[en:dpi:dpi_components:platform:start|Deep Traffic Analysis Platform (DPI)]] 
    - 
    -Advantages: 
    - 
    -**1) Easy to use:** 
    -  * all rules are applied at one place: on DPI platform; 
    -  * the platform loads and applies rules from lists by itself. 
    -**2) Productivity:** 
    -  * the list includes up to 4 billion URL. Its representation in memory is compressed; 
    -  * provides filtering of up to 2 million URL per second on one CPU kernel; 
    -  * traffic capacity up to 40 Gb per second per one CPU; 
    -  * unlimited scaling by simple installation of additional servers; 
    -  * propagation delay is less than 30 μs. 
    -**3) Functionality:** 
    -  * http and https support. Other protocols can be added; 
    -  * filtering for HTTP proxy is supported (including Opera Turbo/Mini); 
    -  * the software can consider or ignore the port number (i.e. block http://www.example.com and http://www.example.com:8080 together or separately); 
    -  * does not depend on IP address changes; 
    -  * redirection instead of blocking is supported for http; 
    -  * incapsulation of VLAN, QinQ, MPLS is supported; 
    -  * support of asymmetric traffic routes, including processing of outbound traffic only; 
    -  * support of mirrored traffic; 
    -  * provides many other useful capabilities, unlike dedicated filtering solutions. 
    -**4) "Four nine's" reliability:** 
    -  * works 24×7 with no breaks and service delays; 
    -  * uptime of the systems already installed is many months; 
    -  * the Bypass mode is supported to calm the operator. 
    -**5) Cost saving:** 
    -  * DPI runs on a general purpose computer; 
    -  * support costs are almost zero - everything is automated; 
    -  * no need to waste money and time to develop and support own solution; 
    -  * a proxy hardware would cost much more to achieve the similar traffic capacity.