ocr: WORLDWIDE SWITCHING HUB CONNECTIVITY 100 904 80-5 70- 60-0 50- 40- 30- 20 10 U 1992 1993, 1994 1995 1996 1997 1998 1999 Desktop Backbone Source: Intemational Data Com. 1994 Figure 2. This depiction of woridwide desktop and backbone switching hub connectivily (1992-1999) shows the rapid rise expected for this trend toward the end of the decade.