论文标题

使用Xcaches在Internet主干上为通用科学创建内容交付网络

Creating a content delivery network for general science on the internet backbone using XCaches

论文作者

Fajardo, Edgar, Zvada, Marian, Weitzel, Derek, Rynge, Mats, Hicks, John, Selmeci, Mat, Lin, Brian, Paschos, Pascal, Bockelman, Brian, Sfiligoi, Igor, Hanushevsky, Andrew, Würthwein, Frank

论文摘要

通过计算机会用户在网格上面临的一个总体问题是,交付周期比向这些周期传递数据要简单。在此项目中,我们展示了如何集成放置在互联网骨架上的Xrootd缓存,以实现通用科学工作流的内容输送网络。我们将证明,对于不同的科学领域(例如高能物理,引力波和其他工作流程)的某些工作流程,从工作流程中重新使用的数据和使用CACHES的结合可以提高CPU效率,同时降低网络带宽的使用。

A general problem faced by computing on the grid for opportunistic users is that delivering cycles is simpler than delivering data to those cycles. In this project we show how we integrated XRootD caches placed on the internet backbone to implement a content delivery network for general science workflows. We will show that for some workflows on different science domains like high energy physics, gravitational waves, and others the combination of data reuse from the workflows together with the use of caches increases CPU efficiency while decreasing network bandwidth use.

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