SCinet is the collection of high-performance networks built to support the annual SC Conference. SCinet features both a production-quality Conference network, an OpenFabrics Network and an extremely high performance experimental network, Xnet. Volunteers from educational institutions, high-performance computing centers, network equipment vendors, US National Laboratories, research institutions, research networks, and telecommunication carriers work together to design and deliver the SCinet networks. Industry vendors and carriers donate much of the equipment and services needed to build the LAN and WAN infrastructure. Planning begins more than a year in advance of each SC conference and culminates with a high-intensity installation just seven days before the conference begins.