Deploying per-packet telemetry in a long-haul network: the AmLight use case

Jeronimo Bezerra, I. Brito, A. Quintana, J. Ibarra, V. Chergarova, Renata Frez, Heidi Morgan, Marc LeClerc, Arun Paneri
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引用次数: 4

Abstract

Long-haul networks are growing in complexity to address the constant need for more bandwidth, lower latency and jitter, customized traffic prioritization, and SLA-grade network resilience. A more complex infrastructure requires a deeper visibility of the assets to optimize the resource utilization as well as to protect the infrastructure and users connected to it. Leveraging legacy network monitoring technologies, such as SNMP, is not enough, since they do not offer real-time and granular visibility. That's where per-packet monitoring solutions can become a game changer. In-band Network Telemetry (INT) offers per-packet visibility with no impact to the network's forwarding plane. Adding per-packet visibility has the potential to change the network monitoring and operations field, and to redefine how traffic engineering will take place in the future. This paper aims to showcase how INT can dramatically increase network visibility, down to a sub-second scale. Experiments and findings come from using the AmLight long-haul academic network as a use case.
在长途网络中部署逐包遥测:AmLight用例
长途网络的复杂性正在增长,以满足对更多带宽、更低延迟和抖动、自定义流量优先级和sla级网络弹性的持续需求。更复杂的基础设施需要更深入的资产可见性,以优化资源利用,并保护基础设施和连接到基础设施的用户。利用遗留的网络监视技术(如SNMP)是不够的,因为它们不提供实时和粒度可见性。这就是每包监控解决方案可以改变游戏规则的地方。带内网络遥测(INT)在不影响网络转发平面的情况下提供每个数据包的可见性。增加每包可见性有可能改变网络监控和操作领域,并重新定义未来流量工程的发生方式。本文旨在展示INT如何显著提高网络可见性,低至亚秒级。实验和发现来自使用AmLight远程学术网络作为用例。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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