CAIDA's passive traces dataset contains traces collected from high-speed monitors on a commercial backbone link. The data collection started in April 2008 and ended in January 2019. These data are useful for research on the characteristics of Internet traffic, including application breakdown, security events, geographic and topological distribution, flow volume and duration. For an overview of all traces see the trace statistics page)
The CAIDA Anonymized Internet Traces on IPv6 Day and World IPv6 Launch Day Dataset
This dataset contains three anonymized passive traffic traces from CAIDA's equinix-chicago and equinix-sanjose monitors on high-speed Internet backbone links taken during IPv6 Day on 8 June 2011, and three additional traces from the equinix-sanjose monitor taken during IPv6 Launch Day on 6 June 2012 (the Chicago monitors were offline on IPv6 Launch Day).
The traces cover start, middle and end of the 24-hour IPv6 Day and IPv6 Launch Day periods. The first IPv6 Day trace runs from 7 June 2011 23:45:00 UTC to 8 June 2011 00:45:00 UTC, the second trace from on 8 June 2011 13:00:00 UTC to 14:00:00 UTC and the final trace runs from 8 June 2011 23:45:00 UTC to 9 June 2011 00:45:00 UTC. The three traces on IPv6 Launch Day run from 5 June 2012 23:45:00 UTC to 6 June 2012 00:45:00 UTC, from 6 June 2012 13:00:00 UTC to 6 June 2012 14:00:00 UTC, and from 6 June 2012 23:45:00 UTC to 7 June 2012 00:45:00 UTC, respectively.
This data is useful for research on the characteristics of Internet traffic, including application breakdown, security events, topological distribution, and flow volume and duration.
Traffic traces in this dataset are anonymized using CryptoPan prefix-preserving anonymization. All traces in this dataset are anonymized with the same key. In addition, the payload has been removed from all packets. The dataset size is 194 GB, 172 GB and 198 GB for each of the three IPv6 Day traces, respectively. The IPv6 Launch Day sizes are 177 GB, 121 GB and 171 GB.
The Endace network cards used to record these traces provide timestamps with nanosecond precision. However, the anonymized traces are stored in pcap format with timestamps truncated to microseconds. The original nanosecond timestamps are provided as separate ascii files alongside the pcap files.
We are aware that some data in this dataset contains more then trivial amounts of packet loss; this has especially been an issue for equinix-chicago direction B. Due to the way the monitoring equipment is set up the synchronization between directions we don't know how well-aligned both directions of a single link are for the equinix-chicago setup. More information on this in the README file in the dataset.
CAIDA makes near-realtime traffic reports available from its passive monitors.
Acceptable Use Agreement
Access to these data is subject to the terms of the following CAIDA Acceptable Use Agreement (printable version in PDF format)
When referencing this data (as required by the AUA), please use:The CAIDA UCSD Anonymized Internet Traces on IPv6 Day and IPv6 Launch Day - <insert dates used here>Also, please, report your publication to CAIDA.
Request Data Access
Request Access to the CAIDA Anonymized Internet Traces on IPv6 Day and IPv6 Launch Dataset and other Anonymized Internet Traces Datasets
Anonymized Internet Traces Datasets
Restricted Datasets (available through CAIDA)
- Anonymized Internet Traces Dataset (April 2008 - January 2019)
- Anonymized Internet Traces on IPv6 Day and IPv6 Launch Day Dataset
- Anonymized Industry Evaluation Internet Traces Dataset
Unrestricted Datasets (available through IMPACT)
Publicly Available Datasets
- Summary statistical information for all anonymized internet traces
The Data Collection Monitors