is also home to the Center for Applied Internet Data Analysis (CAIDA), and the Computational and Applied Statistics Laboratory (CASL). CAIDA is a collaboration of government, research, and commercial entities working together to improve the Internet. It features an academic network test infrastructure called the Archipelago Measurement Infrastructure (Ark), similar to networks such as PlanetLab and RIPE Atlas. See also National Digital Library Program (NDLP) National Digital Information Infrastructure and Preservation Program (NDIIPP) References External links SDSC Michael L. Norman PMac Allan E. Snavely NEESit Chronopolis University of California, San Diego Supercomputer sites E-Science Cyberinfrastructure La Jolla, San Diego 1985 establishments in California