Internet Health Report
   Delivers data about network performance (latency) between major United States Internet backbones.
   http://www.internetpulse.net/

Internet Measurement Infrastructure - CAIDA
   Short summaries of current measurement projects offering public reports.
   http://www.caida.org/analysis/performance/measinfra/

Long-Term Traffic Statistics
   Technical information and links regarding long term statistics. In depth Analysis of traffic over the major protocols.
   http://www.cs.columbia.edu/~hgs/internet/traffic.html

Measurement, Analysis, Modeling and Generation
   Bell Labs research group. Contains theories, statistics, reports, and free measurment tools for networks.
   http://cm.bell-labs.com/cm/ms/departments/sia/InternetTraffic/

The Internet Traffic Archive
   A moderated repository to support widespread access to traces of Internet network traffic. The traces can be used to study network dynamics, usage characteristics, and growth patterns.
   http://ita.ee.lbl.gov/