ocr: Majorel VendorsMarketShares Network IBM Managers 9.7% 4.5% Cabletron Sun 13.2% 30.7% Others Hewiett- 14.1% Packard 27.8% SOURLE: NIERNATIONAL DATA CORP. Leading the Way. According to intemational Data Corp., 2.1,196 enterprise network management plattorms were shipped in 1994.