General description [Документация VAS Experts]
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    en:dpi:dpi_options:opt_filtration:filtration_common [2020/02/05 17:29] – ↷ Page moved from en:dpi:dpi_options:base_functionality:opt_filtration:filtration_common to en:dpi:dpi_options:opt_filtration:filtration_common lexx26en:dpi:dpi_options:opt_filtration:filtration_common [2025/01/16 08:27] (current) – elena.krasnobryzh
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    -====== 1 General description ======+====== 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|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 records. Its representation in memory is compressed;
     +  * up to 65000 web-lists;
     +  * traffic capacity up to 400 Gbpds per one CPU;
     +  * unlimited scaling by simple installation of additional servers;
     +  * propagation delay is less than 30 μs.
     +**3) Functionality:**
     +  * HTTP/HTTPS/QUIC protocols are supported for web filtering;
     +  * URL for HTTP, SNI/CN for HTTPS/QUIC protocols;
     +  * HTTP and HTTPS/QUIC traffic regardless of the service port being used;
     +  * 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;
     +  * analysis of out-of-order packets (with transmission sequence violations).
     +**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.
     +