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Dependable Content-Aware Prefetching for HTTP Applications over ICN as a Service

机译：通过ICN即服务对HTTP应用程序进行可靠的内容感知预取

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摘要

The importance of Hypertext Transfer Protocol (HTTP) in the interaction of users with the Internet is undisputed. Content Delivery Networks (CDNs) have emerged as a promising solution to enhance Quality of Service (QoS) provided in this type of transactions and to improve the network scalability. In this line, a new paradigm known as Information Centric Networks (ICNs) has been envisioned focusing the network routing on the content itself instead of attending to the topological addressing of nodes. A recent trend is using Software Define Networks (SDN) to manage data flows in this context. On top of an ICN as a Service (ICNaaS) architecture that provides end-to-end HTTP Information Centric Networking (ICN) alike transmissions with HTTP in-network caching, this paper proposes a dependable content aware prefetching mechanism, to enhance data transmission rates for first requesters that usually do not benefit from previous access to the same content. The validation tests have been conducted by considering the case of a video streaming service using the H.264/SVC codec with DASH. The obtained results corroborate the validity of the solution with cache hit ratios and client performance near to pre-cached content for video streaming.
机译：毫无疑问，超文本传输​​协议（HTTP）在用户与Internet交互中的重要性。内容交付网络（CDN）已经成为一种有前途的解决方案，可以提高此类交易中提供的服务质量（QoS）并提高网络可伸缩性。在这一行中，已经设想了一种称为信息中心网络（ICN）的新范例，将网络路由集中在内容本身上，而不是关注节点的拓扑寻址。在这种情况下，最近的趋势是使用软件定义网络（SDN）来管理数据流。在ICN即服务（ICNaaS）架构的基础上，该架构提供了具有HTTP网络内缓存的端到端HTTP信息中心网络（ICN）传输，本文提出了一种可靠的内容感知预取机制，以提高数据传输速率对于通常无法从先前对相同内容的访问中受益的第一请求者。通过考虑使用带有DASH的H.264 / SVC编解码器的视频流服务的情况来进行验证测试。所获得的结果证实了该解决方案的有效性，其缓存命中率和客户端性能接近视频流的预缓存内容。

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