ubiCDN: a ubiquitous, user-based, mobile video distribution platform

一部普通的智能手机或平板电脑至少有10 GB的可用内存。非常粗略地说，这相当于2000分钟的高清(HD)视频，几乎相当于1.5天的视频内容(内存芯片尺寸缩小，价格大幅下降)。对于新闻应用程序或短视频剪辑，这意味着普通的移动设备是一个始终在线、始终连接的小型移动数据中心。Fluentic正在开发解决方案，以利用一小部分移动用户的空闲内存，以便将流行的智能手机应用程序(如BBC、Sky、ITV、The Guardian等内容提供商)的内容传播到附近安装了该应用程序的每一台设备上。内容提供商主动将内容推送给选定的移动用户(“源”)。然后，信息源将内容传播给对相同内容感兴趣的其他用户(“目的地”)。来源和目的地通过我们独特的、以信息为中心的连接软件解决方案进行同步。当两个设备安装了相同的应用程序并且源节点更新了要传播的内容时，源和目的地配对。内容分发以设备到设备(D2D)、对等(P2P)方式进行，独立于蜂窝连接。因此，面临挑战的连接性和数据上限并不是分发大量数据的障碍。

An average smartphone or tablet has at least 10GBs of memory available. Very roughly, this corresponds to 2,000 mins of High Definition (HD) video, that is almost 1.5days worth of video content readily available (with memory chip sizes shrinking and prices falling sharply). For news applications, or short video clips, this means that the average mobile device is a small, always on, always connected and mobile data-centre. Fluentic is developing solutions to exploit the spare memory of a fraction of mobile users in order to disseminate content of popular smartphone applications (e.g., content providers such as BBC, Sky, iTV, The Guardian) to every device in the vicinity that has got the application installed. Content providers proactively push content to selected mobile users (the “sources”). Sources then disseminate content to other users that are interested in the same content (the “destinations”). Sources and destinations sync through our unique, information-centric connectivity software solutions. Sources and destinations pair when both devices have the same application installed and the source nodes have updated content to disseminate. Content distribution takes place in a Device-to-Device (D2D), Peer-to-Peer (P2P) manner, independently of the cellular connection. Therefore, challenged connectivity and data caps are not a barrier to the distribution of large volumes of data.