可验证的网络性能测量

K. Argyraki, Petros Maniatis, Ankit Singla
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引用次数: 39

摘要

在当前的互联网中,没有一种干净的方法可以让受影响的各方对转发性能差做出反应:为了检测和评估合同合作伙伴违反服务水平协议(SLA)的行为,域必须使用探针进行临时监控。相反,我们提出网络自白,一个新的,系统的方法来解决转发性能验证问题。我们的系统依赖于自愿报告,允许每个网络域向其客户和同行,甚至可能向监管机构披露其损失和延迟性能。最重要的是,它支持可验证的性能度量,也就是说,领域不能滥用它来显着夸大它们的性能。最后,我们的系统是可调的,允许每个参与域独立决定投入多少资源(即,不需要任何域间协调),在性能验证质量和资源消耗之间暴露出可控的权衡。我们的系统是以在参与域的边界路由器上部署适度功能为代价的;我们表明,它需要合理的资源,在现代网络能力范围内。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Verifiable network-performance measurements
In the current Internet, there is no clean way for affected parties to react to poor forwarding performance: to detect and assess Service Level Agreement (SLA) violations by a contractual partner, a domain must resort to ad-hoc monitoring using probes. Instead, we propose Network Confessional, a new, systematic approach to the problem of forwarding-performance verification. Our system relies on voluntary reporting, allowing each network domain to disclose its loss and delay performance to its customers and peers and, potentially, a regulator. Most importantly, it enables verifiable performance measurements, i.e., domains cannot abuse it to significantly exaggerate their performance. Finally, our system is tunable, allowing each participating domain to determine how many resources to devote to it independently (i.e., without any inter-domain coordination), exposing a controllable trade-off between performance-verification quality and resource consumption. Our system comes at the cost of deploying modest functionality at the participating domains' border routers; we show that it requires reasonable resources, well within modern network capabilities.
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