RIPE Atlas

RIPE Atlas
Name	RIPE Atlas
Launch	2010
Owner	RIPE NCC
Type	Internet measurement network
Country	Netherlands

RIPE Atlas is a global active Internet measurement network operated by the RIPE NCC that provides distributed probing and telemetry for Internet infrastructure, network operators, and researchers. The platform was initiated as a community-driven project to complement regional measurement efforts such as CAIDA and infrastructure initiatives like EURO-IX and the IETF standards process. It supports operational troubleshooting during incidents like the 2015 Ukraine power grid cyberattack and informs policy discussions at forums including the RIPE Policy Development Process, IETF RFC development, and regional Internet registries such as ARIN and APNIC.

Overview

The project offers a large-scale, federated measurement platform combining hardware probes, anchor nodes, and centrally managed measurement scheduling similar to architectures used by PlanetLab, perfSONAR, and M-Lab. Its objectives align with objectives pursued by Internet Society, NOC communities, and measurement research groups at institutions such as Georgia Tech, MIT, and UC Berkeley. Funding and governance involve collaborative models seen in initiatives like the European Commission research grants and partnerships with organizations such as TNO and national research networks like SURFnet.

Architecture and Components

The architecture comprises small hardware probes, software agents, and large-capacity anchor nodes analogous to components in projects like Akamai edge servers and Cloudflare measurement endpoints. Key components include the probe firmware, measurement controller, and data collectors interoperating with protocols from the IETF such as ICMP, UDP, and TCP. Anchors facilitate high-volume measurements across points of presence similar to infrastructure maintained by DE-CIX, AMS-IX, and LINX, and integrate with monitoring tools used by the NREN community and academic networks like GÉANT.

Deployment and Probe Network

The distributed probe network spans residential, academic, and carrier locations comparable to deployments by SamKnows and Ookla but emphasizes volunteer-operated hardware like models produced by manufacturers such as TP-Link and Ubiquiti. Probes are enrolled and managed through systems influenced by identity and authentication practices employed by OAuth and RPKI ecosystems. The network topology and geolocation correlate with datasets from MaxMind and prefixes registered with regional registries including RIPE NCC, ARIN, and LACNIC.

Measurement Types and Methodology

Measurements include latency, traceroute, DNS queries, NTP checks, and HTTP(S) requests, employing techniques comparable to experiments in papers from SIGCOMM, NSDI, and IMC. Traceroute methodology follows conventions discussed in Paris Traceroute research and RFCs such as RFC 791 and RFC 1812 for IP behavior. DNS measurements interact with authoritative servers and public resolvers such as Google Public DNS, Cloudflare DNS, and OpenDNS, while time synchronization checks reference NTP and standards from the IETF NTP working group. Measurement scheduling and rate-limiting are informed by ethics and responsible disclosure practices advocated by bodies like USENIX and the Ethical Guidelines for Internet Measurement community.

Data Access and Privacy

Collected datasets are exposed through APIs and bulk archives similar to data release models used by CAIDA and M-Lab, with access controls reflecting norms from GDPR and data stewardship frameworks promoted by Open Data Commons. Privacy controls allow operators to opt out and to restrict measurements analogous to access models used by Facebook and Google when conducting network measurement studies. Aggregation and anonymization practices draw on academic methodologies from Harvard University and Stanford University research groups to balance transparency with user privacy and legal compliance in jurisdictions such as the European Union and United States.

Governance and Community

Governance is coordinated by the RIPE NCC membership and advisory structures resembling multi-stakeholder models used by IETF, ICANN, and the Internet Society chapters. Community engagement occurs via mailing lists, meetings, and working groups akin to RIPE Meetings, IETF Meetings, and regional conferences such as DENOG and NANOG. Outreach and educational collaborations have involved universities and research labs including CERN, ETH Zurich, and the University of Twente.

Impact and Use Cases

The platform supports network troubleshooting during outages reported by operators such as Telefonica and Deutsche Telekom, contributes to research published at venues like SIGCOMM, IMC, and PAM, and informs regulatory and public-interest analyses similar to work by Ofcom and the European Commission. Use cases include performance monitoring for content delivery networks like Akamai and Fastly, security incident analysis in coordination with CERTs such as CERT-EU and US-CERT, and academic studies into Internet topology by groups at CAIDA and RIPE NCC.

Category:Internet measurement