(ULCC) One of the UK's national high performance computing centres. It provides networking services and large-scale computing facilities which are used by researchers from all over the UK.

ULCC was founded in 1968 to provide a service for education and research. It has been at the forefront of advanced research computing since its foundation, initially providing large-scale CDC-based facilities, then from 1982 to 1991 a national Cray vector supercomputing service. Its high performance computing facilities are now centred on a 6 processor, 4 Gbyte Convex C3860 supercomputer (Neptune) with a Convex C3200 front-end (Pluto).

ULCC is the main site for national and international network connections in the UK. They run the Network Operations and Service Centre for the JANET Internet Protocol Service (JIPS), the largest of the JANET NOCs and various international links and relays on behalf of UKERNA.

ULCC's pilot National Data Repository service provides a network-accessible digital archive and filestore, based on a robotic tape system with 6 Terabytes of storage. Although the data is stored on tape, you can access it very quickly, as if it were on-line. It is made available to you via high-speed links to the JANET and SuperJANET networks.

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