ocr: w w LAN Man FTP, rsh, rop, etc. TERM - - : - - X 1 Emulators XXXXXXXXX XXXXXXXXXXXXXX BSD Socket Lib PING Telnet BAPI - ly - X - XXXXXXX x - XXXXXXXX Xx X - X XXX X K XXXXX - a a TINYRFC SOCKTSR NMTSR TN - - XX - a - A PDI - ONRTSR TCP UDP Event Mgr - IP ICMP ARP Subnet layer Buffer Mgr XXXX ( TCPTSR