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Use of CAIDA's Backscatter Datasets
CAIDA makes annual Backscatter datasets containing quarterly week-long traces of denial-of-service attack backscatter available to registered academic, government, and non-profit researchers and CAIDA members. This summary of the users of CAIDA's restricted access datasets is updated daily.

|  Overview:    All Data Requests    Freely Available Data    Restricted Access Data  |
|  Specific Restricted Datasets:    Macroscopic Topology Data    Anonymized Internet Traces    Backscatter Datasets    Witty Worm Dataset    DNS root/gTLD RTT Dataset  |

Backscatter Dataset Requests

Data providers face a unique challenge in that requiring users to apply for data access discourages data use because some users find the application process too onerous and do not pursue data access. Yet significant resources are required to collect, curate, document, and serve scientific datasets to the research community.

To encourage support for data collection activities while not prohibiting access for users without resources, CAIDA provides access registered academic, government, and non-profit researchers and CAIDA members. We ask for-profit companies to sponsor CAIDA in order to gain access to these restricted datasets. All data access is subject to Acceptable Use Policies (AUP) designed to protect the privacy of monitored communications, ensure security of network infrastructure, and comply with the terms of our agreements with data providers.

To gain access to data, prospective users fill out a request form with their contact information and intended usage. Requests are validated and accounts activated. Most qualified researchers receive data access within two business days.

Response Overview
Total submissions:317
Earliest submission:February 4, 2003 13:25:51
Latest submission:October 12, 2008 17:51:10
Students Using Data:188 (average 0.59)

Dataset Chosen
Backscatter TOCS Dataset162
Backscatter 2004-2005 Dataset154
Backscatter 2006 Dataset138
Backscatter 2007 Dataset106
Backscatter 2008 Dataset51
Response by Day of the Week
Monday40
Tuesday57
Wednesday64
Thursday73
Friday32
Saturday18
Sunday33
Who Requests Data
Academic Researcher/Student244
Other58
Government Researcher7
Government Agency3
CAIDA Sponsor2
Academic Researcher/Student, Government Researcher1
Academic Researcher/Student, Government Agency1
Academic Researcher/Student, CAIDA Sponsor, Government Researcher, Government Agency1
Restricted Access Datasets

For more information about CAIDA's restricted access datasets, see:

Dataset Description Release Date Dataset Request Link Dataset Access Link (requires login)
IPv4 Routed /24 Topology Dataset February 1, 2008 request access data access
Anonymized 2007 Internet Traces January 17, 2008 request access data access
Backscatter 2007 Dataset June 26, 2007 request access data access
DNS root/gTLD RTT Dataset August 3, 2006 request access data access
Backscatter 2006 Dataset April 7, 2006 request access data access
Backscatter 2004-2005 Dataset February 15, 2006 request access data access
Witty Worm Dataset January 11, 2006 request access data access
Backscatter TOCS Dataset November 9, 2005 request access data access
Skitter Topology Data July 29, 2004 request access data access
Internet Topology Data Kit (ITDK 2002-2003) July 29, 2004 request access data access
Anonymized OC48 Traces February 9, 2004 request access data access

Backscatter Dataset Sponsors
Department of Homeland Security logo Cisco Systems logo Limelight Networks logo National Science Foundation logo Defense Advanced Research Projects Agency logo
  Last Modified: Tues Mar-24-2009 13:56:2 PDT
  Page URL: http://www.caida.org/data/statistics/backscatter-data.xml