Labels:text | screenshot | circle | diagram OCR: Major Vendors' Market Shares Network IBM Managers 9.7% 4.5% Cabletron Sun 13.2% 30.7% Others Hewlett- 14.1% Packard 27.8% SOURCE: INTERNATIONAL DATA CORP. Leading the Way. According to International Data Corp ., 21,196 enterprise network management platforms were shipped in 1994.