JusticeFor Myanmar confirm that these diagrams show physical cabinets inside data centres and illustrate, in practical terms, the functioning of Geedge Networksupplied hardware and software that is used to monitor and censor Myanmar web traffic. An image showing the integration of Geedge hardware in Frontiir’s Yangon data centre, extracted from the Geedge dataset. The diagrams, such as that above for a Frontiir (Myanmar Net) data centre, shows the origin of Myanmar internet traffic which enters the system through dense wavelength division multiplexing (DWDM) optical fibre, is then transmitted to the cabinet via single-mode optical fibre and exits to the access network through the internet gateway (IGW). The web traffic is mirrored through an optical bypass protector (OPB) which is designed to tap the optical fibres while protecting connected equipment from failures, which is a network architecture that creates a mirror copy of all the internet traffic passing through for inspection by the Geedge system. All the traffic is then processed by the Geedge Networks TSG-X boxes, which are at the heart of the system. After passing through TSG-X, internet traffic data is analysed, filtered and logged, and is then routed through two core switches which direct the traffic records to online analytical processing (OLAP) servers, which facilitate the analysis of data. The ISP Link Policy/Log/SSH link refers to a separate management network that allows the system to be remotely operated. It is connected to an optical distribution frame (OPF) cabinet, with its own dedicated private "layer 1" physical link, meaning that the management network 16

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