RSSAC047 - RSSAC Advisory on Metrics for the DNS Root Servers and the Root Server System
Abstract
In this report, the RSSAC:
• Defines measurements, metrics, and thresholds that root server operators (RSOs) meet to
provide a minimum level of performance. The thresholds are based on technical metrics
designed to assess the performance, availability, and quality of service that each root
server identifier (RSI) provides. The thresholds and the metrics on which they are based
are included as the RSSAC’s input to a yet-to-be defined evaluation process for future
RSOs.
• Defines system-wide, externally verifiable metrics and thresholds which demonstrate that
the root server system (RSS) as a whole is online and serving correct and timely
responses.
The metrics described in this report are based on the current awareness of, experience with, and
understanding of the root servers and RSS. In the future, different metrics may be required to
better understand the RSS and quantify performance, availability, and quality of service. As the
metrics and this document are revised, current and future RSOs may have to adapt their
architectures over time to meet the changing needs of the RSS.
Research Areas
