NeTS: Small: Leveraging Opportunistic Pushing for CDNs and Mobile Devices

NetS：小型：利用 CDN 和移动设备的机会推送

基本信息

批准号：
1718400
负责人：
Aaron Striegel
金额：
$ 11万
依托单位：
University of Notre Dame
依托单位国家：
美国
项目类别：
Standard Grant
财政年份：
2017
资助国家：
美国
起止时间：
2017-10-01 至 2021-01-31
项目状态：
已结题

来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=1718400&HistoricalAwards=false
关键词：
NeTS Small Leveraging Opportunistic Pushing

项目摘要

A vibrant and healthy wireless network edge is essential to the modern economy. New technologies such as the Internet of Things, self-driving vehicles, and a host of new automation technologies rely on robust, high-speed wireless technology for operation. Unfortunately, the demand for wireless connectivity has far outstripped the amount of wireless spectrum available. Using more spectrum and improving spectral efficiency are some longer-term solutions. A more immediate approach is to explore how to flatten the demand curve - reducing peak demands through aggressive time shifting and content caching. The focus of this research is to explore how the free storage space that sits unused on mobile devices can be leveraged by content providers and network operators to radically improve wireless performance. In short, the research seeks to push data during idle network times to avoid overloads during peak times. Whether it is a crowded sporting event or a crowded subway station, the intended result of the work is mobile devices that download data more quickly while operating with longer battery lifetimes. The work seeks to make wireless network performance in crowded venues remarkably better.In this work, free space on mobile devices is made securely writable by trusted content providers and network operators, effectively allowing the network operator to push content dynamically to a device. The mechanisms and trade-offs that occur in large scale wireless systems (WiFi, cellular) present numerous challenges with respect to how and when to push content to the devices such that there is a net gain to overall wireless network system health. The work proposes to develop the architecture which seeks to allow devices in tandem with the network to sense redundant content. Mobile devices and the network operator constantly monitor and detect redundancy, triggering thresholds by which redundant content is efficiently pushed appropriately in the network through D2D (device to device) sharing and targeted broadcasts. Content is pre-staged during network idle periods or high bandwidth opportunities to time shift, improving the perceived Quality of Experience of the user in both responsiveness and efficiency. The project will develop prototype apps, create a Software Development Kit for Android and iOS, and conduct robust evaluations in demanding, dense environments.

充满活力和健康的无线网络边缘对于现代经济至关重要。新技术，例如物联网，自动驾驶汽车以及许多新的自动化技术，都依赖于强大的高速无线技术进行操作。不幸的是，对无线连接的需求远远超过了可用的无线频谱的量。使用更多的光谱和提高的光谱效率是一些长期解决方案。一种更直接的方法是探索如何使需求曲线变平 - 通过积极的时间转移和内容缓存来减少峰值需求。这项研究的重点是探索内容提供商和网络运营商如何利用未使用在移动设备上的免费存储空间，从而从根本上提高无线性能。简而言之，研究试图在空闲网络时间期间推动数据，以避免在高峰时段过载。无论是拥挤的体育赛事还是拥挤的地铁站，这项工作的预期结果是移动设备，在电池寿命较长的情况下，可以更快地下载数据。该作品旨在使在拥挤的场地中的无线网络性能变得更好。在这项工作中，移动设备上的自由空间由值得信赖的内容提供商和网络运营商安全地制作，从而有效地允许网络运营商动态地将内容推向设备。大规模无线系统（WiFi，Cellular）中发生的机制和权衡提出了有关如何以及何时将内容推向设备的许多挑战，从而使整体无线网络系统的健康有净收益。这项工作建议开发旨在允许与网络同时使用的设备来感知冗余内容的架构。移动设备和网络运营商不断监视和检测冗余，触发阈值，通过D2D（设备到设备）共享和针对性的广播，在网络中适当地在网络中适当推动了冗余内容。内容是在网络闲置期间预阶段的，或时间转移的很高带宽机会，从而提高了用户在响应能力和效率方面的经验质量。该项目将开发原型应用程序，为Android和iOS创建软件开发套件，并在苛刻，密集的环境中进行强大的评估。