The main objective of this service is providing the tools of communication and computing basic and advanced researchers ICTJA alos to achieve its scientific objectives. It has a network infrastructure in medium size with about 400 machines, wifi spread throughout the building, over 30 TB of storage, a automatizated backup , some server-oriented computing and connectivity to 100 Mb with the Anella Científica/ RedIris/Geant2. The ICTJA is the access to the centers of CID CSIC, Botanical Institute, with radio link of 10 Mb, CEAB i IBB to the Anella Científica. Linux and Windows operating systems are most prevalent (60 and 40%) in the l'ICTJA. The CTJA also works with the IBM supercomputer Marenostrum located in the Barcelona Supercomputing Center.