Based on the URL and file name provided, this request appears to relate to documentation for a P2P Video Monitoring Network Video Recorder (NVR) system. The domain topscloud.net is associated with the P2P Web client
However, based on the URL you provided ( topscloud.net ) and the filename ( doc-eng.rar ), this appears to refer to the documentation or the seminal research paper regarding the system, specifically the TOPSIS (Technique for Order Preference by Similarity to Ideal Solution) method. www.topscloud.net doc-eng.rar