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An overview of the data managed by CAIDA, including our
passive trace,
macroscopic topology, and
security data collections.
While the majority of CAIDA's datasets are represented here, these numbers represent a lower bound on the total data housed at CAIDA.
Data Collection Overview
Total number of datafiles 265,023 Total sum of uncompressed data available 105.9 TiB Number of activated monitors 43 Total number of IPv4 headers 1,057,042,276,034 Total number of IPv6 headers 58,925,389 Average daily increase of uncompressed data (last 365 days) 44.5 GiB Number of files collected each day (average over 365 days) 68 Data Request Overview
Total submissions: 1992 Earliest submission: February 4, 2003 13:25:51 Most recent submission: October 17, 2008 19:10:40 Students Using Data: 2331 (average 1.17) Dataset Chosen Statistics on All Data Requests
Statistics on Requests for Freely Available Data
Statistics on Requests for Restricted Access Data
Data Collection by Type
Passive Data Collection
Earliest data August 14, 2002 Latest data (collection is ongoing) January 15, 2009 Total number of datafiles 3,665 Total sum of uncompressed data available 6.339 TiB Security Data Collection
Earliest data February 1, 2001 Latest data (collection is ongoing) November 19, 2008 Total number of datafiles 82,210 Total sum of uncompressed data available 91.58 TiB Macroscopic Topology Data Collection
All From Skitter infrastructure From Archipelago infrastructure Earliest data January 18, 1998 January 18, 1998 September 13, 2007 Latest data (collection is ongoing) March 13, 2009 February 8, 2008 March 13, 2009 Total number of datafiles 86,282 70,886 15,396 Total sum of uncompressed data available 5.151 TiB 4.012 TiB 1.139 TiB
