Networking

Scalable and Systematic Internet-Wide Path and Delay Estimation From Existing Measurements

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Executive Summary

Internet-wide services and applications depend on accurate information about the internal network state to deliver good performance to end-users. However, today's Internet does not provide such information explicitly and a number of systems have been recently proposed and implemented to provide a shared measurement infrastructure for distributed applications. The goal of this paper is to demonstrate that without any new measurement infrastructure or active probing the authors obtain composite performance estimates from AS-by-AS segments and the estimates are as good as (or even better than) those from existing estimation methodologies that use on-demand, customized active probing.

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