XANTIUM

DATA COMMUNICATIONS EQUIPMENT, NAMELY, PACKET SWITCHES; CELL-BASED AND FRAME-BASED SWITCHING EQUIPMENT, NAMELY, INTERNET PROTOCOL (IP) ROUTERS; NETWORK MANAGEMENT SYSTEMS COMPRISING NETWORK MANAGEMENT SERVERS; AND COMPUTER SOFTWARE, NAMELY, SOFTWARE TO INTERPRET IP ROUTING PROTOCOLS, SOFTWARE FOR IP ROUTER MANAGEMENT, IP ROUTER DIAGNOSTICS, NETWORK MANAGEMENT, NETWORK DIAGNOSTICS, PACKET SWITCH MANAGEMENT AND PACKET SWITCH DIAGNOSTICS