Dr. Daniel E. Atkins [2], head of the National Science Foundation's Office of Cyberinfrastructure [3], portrays the nation's science cyberinfrastrure as in Figure 1 below. Figure 2 shows OSTI's position within the cyberinfrastructure.
Links:
[1] http://www.osti.gov/ostiblog/users/admin
[2] http://www.nsf.gov/news/news_summ.jsp?cntn_id=105820&org=NSF
[3] http://www.nsf.gov/dir/index.jsp?org=OCI