The NSF-funded IRNC Performance Engagement Team (PET) was formed to assist network researchers in troubleshooting their application's performance across multiple administrative network boundaries. Researchers and network engineers can request assistance of the IRNC PET. From there, a PET engineer will gather relevant information, diagram the end to end path and begin the process of troubleshooting the issue. Where possible the engineer will utilize publicly-available data sources such as Perfsonar test points, router proxies, and SNMP data stores to try and isolate the problem. Often times, they'll need to rely on network operators along the path. In both modes, the PET engineer will track and document the discussion in a PET ticket. The goal is to provide centralized coordination across multiple providers with the goal of providing improved performance for the end-user.
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