We want to share important updates regarding our 100 GB anonymized passive trace initiative. The Los Angeles–San Jose link has been upgraded out of the range of this monitoring capability, so the monitor has transitioned to capture traffic traces on a different link.

1. Transition to a New 100 GB Link

Beginning in January 2025, we shifted our trace collection to a 100 GB link between Los Angeles and Dallas. This change opens up opportunities to study network dynamics across different infrastructures and geographies. For additional details, please visit https://catalog.caida.org/dataset/passive_2025_pcap_100g.

2. Complementary Datasets Based on User Feedback

Based on a survey of 100 GB anonymized trace users, we have created and shared two complementary datasets to better serve the research community (1) a compilation of metadata statistics about the trace; and (2) a smaller (5-second) subset of data, which is less than 1GB of data compared to the full one-hour capture of about 600GB.

• Passive 100G Metadata Dataset: a compilation of statistics about the traffic trace
  This publicly available dataset provides key statistics for our restricted anonymized data. It includes:
  trace date and time; trace duration (hours, minutes, and seconds); total packets and bytes captured; mean packet rate (packets per second); mean bit rate (bits per second); and mean link load as a fraction of the nominal maximum link capacity. You can access this dataset here.
• Restricted Anonymized Two-Way Traffic Packet Header Traces Sampler
  Part of the 2024 Anonymized Traces 100 GB dataset, this resource consists of a 5-second snapshot of bidirectional traffic captured in November 2024. This dataset allows researchers to evaluate the usability of the data before committing to downloading larger volumes. The size of this sampler dataset is less than 1 GB, making it a lightweight option for quick assessments. This sampler dataset is available here.

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