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Cloud Video Surveillance using IP Camera Video Surveillance as a Service (VSaaS) refers to hosted cloud-based video surveillance. The service typically includes video recording, storage, remote viewing, management alerts, and cyber security. The video processing and management is performed offsite using the cloud, though the VSaaS system may have a simple onsite device to communicate with the cameras and the cloud, acting as a communications conduit. This is in contrast to traditional model, the video processing and recording and management occurs on a computer that is installed at on-premises.〔August 2015 (Comparison of VSaaS to DVRs and NVRs )〕 Video Surveillance as a Service (VSaaS) takes video monitoring into the cloud. Sometimes referred to as hosted or managed video services, video from customer (IP cameras ) or webcams is transmitted to the service provider’s secure cloud infrastructure.The transmission of the video is made through streaming protocols such us RTSP (Real Time Streaming Protocol) through Ethernet or Wifi networks but can also be done through 3G/4G/LTE mobile communications networks if the cameras are to be portable or in movement. VSaaS also eliminates the needs to store recordings of every video from every camera in video servers. These recordings are kept in the cloud and can be viewed using a web browser or a smartphone or tablet app. The global market of VSaaS, according to recent studies, is expected to reach US$48 Billion by 2020.〔Security Sales (Report: Global Video Surveillance, VSaaS Market to Top $48B by 2020 )〕 __INDEX__ ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「VSaaS」の詳細全文を読む スポンサード リンク
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