多边形：基于 QUIC 的 CDN 服务器选择系统，支持多种资源需求

IF 3 3区计算机科学 Q2 COMPUTER SCIENCE, HARDWARE & ARCHITECTURE

IEEE/ACM Transactions on Networking Pub Date : 2024-08-01 DOI:10.1109/TNET.2024.3425227

Mengying Zhou;Tiancheng Guo;Yang Chen;Yupeng Li;Meng Niu;Xin Wang;Pan Hui

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引用次数: 0

摘要

CDN是确保快速访问互联网内容的关键互联网基础设施。随着CDN场景的扩展，除了时延之外，带宽、CPU等资源类型对CDN性能也很重要。我们的测量强调了不同资源类型对不同CDN请求的不同影响。遗憾的是，主流的CDN服务器选择方案只考虑单一的资源类型，面对多样化的资源类型，无法选择最适合的服务器。为了填补这一空白，我们提出了Polygon，一个quic驱动的CDN服务器选择系统，它可以感知多种资源需求。作为一种先进的传输层协议，QUIC为Polygon提供了可定制的传输参数，从而能够无缝地处理请求中的资源需求。它的0-RTT和连接迁移机制也被用来最小化连接和转发的延迟。一组协作测量探针和调度程序被设计用于支持Polygon，负责捕获各种资源信息并将请求转发到合适的CDN服务器。在谷歌云平台上的实际评估和广泛的模拟证明了Polygon提高QoE和优化资源利用率的能力。结果显示，作业完成时间减少了54.8%，带宽和CPU的资源利用率分别提高了13%和7%。

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Polygon: A QUIC-Based CDN Server Selection System Supporting Multiple Resource Demands

CDN is a crucial Internet infrastructure ensuring quick access to Internet content. With the expansion of CDN scenarios, beyond delay, resource types like bandwidth and CPU are also important for CDN performance. Our measurements highlight the distinct impacts of various resource types on different CDN requests. Unfortunately, mainstream CDN server selection schemes only consider a single resource type and are unable to choose the most suitable servers when faced with diverse resource types. To fill this gap, we propose Polygon, a QUIC-powered CDN server selection system that is aware of multiple resource demands. Being an advanced transport layer protocol, QUIC equips Polygon with customizable transport parameters to enable the seamless handling of resource requirements in requests. Its 0-RTT and connection migration mechanisms are also utilized to minimize delays in connection and forwarding. A set of collaborative measurement probes and dispatchers are designed to support Polygon, being responsible for capturing various resource information and forwarding requests to suitable CDN servers. Real-world evaluations on the Google Cloud Platform and extensive simulations demonstrate Polygon’s ability to enhance QoE and optimize resource utilization. The results show up to a 54.8% reduction in job completion time, and resource utilization improvements of 13% in bandwidth and 7% in CPU.

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来源期刊

IEEE/ACM Transactions on Networking 工程技术-电信学

CiteScore

8.20

自引率

5.40%

发文量

246

审稿时长

4-8 weeks

期刊介绍： The IEEE/ACM Transactions on Networking’s high-level objective is to publish high-quality, original research results derived from theoretical or experimental exploration of the area of communication/computer networking, covering all sorts of information transport networks over all sorts of physical layer technologies, both wireline (all kinds of guided media: e.g., copper, optical) and wireless (e.g., radio-frequency, acoustic (e.g., underwater), infra-red), or hybrids of these. The journal welcomes applied contributions reporting on novel experiences and experiments with actual systems.