9 COMPUTER CHIPS FOR INTERNET SWITCHING, DATA PACKET PROCESSING, ATM CELL PROCESSING, AND SIGNAL INTEGRITY IN ROUTERS AND SWITCHING SYSTEMS; COMPUTER HARDWARE FOR TELECOMMUNICATIONS AND DATA COMMUNICATIONS SYSTEMS; COMPUTER SOFTWARE, NAMELY, SYSTEM MAINTENANCE AND OPERATION SOFTWARE FOR USE IN DATA PACKET CLASSIFICATION, DATA PACKET ROUTING, AND INTERNET ROUTER SWITCHING IN TELECOMMUNICATIONS AND DATA COMMUNICATIONS SYSTEMS