技術取得與遺失史

Cray/UNIX
Firewall/Internet/Mosiac/NCSA/Ether Switching/VLAN/RMON/FDDI/2.4k modem/Codex/Telebit/Xylogics/
SunOS/Solaris/IRIX/AIX
dial & lease line& X.25&FR(FRAD)& TDM(DCS/MUX)
AIX/T3/C/C++/JAVA
IBM/RSRB/STUN/DSLW/Mainfame/400/Token Ring
RIP/IGRP/EIGRP/Catalyst/OSPF/CCIE
ATM/IISP/PNNI/UNI3.1&4
BRAS/DSL/SDH/WDM
MPLS/VPN/TE/FRR/BGP/Multicast/Qos/JNCIP
Telecom/IMS/Voice
P2MP/MOD/Metro Ethernet
Mobility/1588/PGW/offload
HTTP/LB/Caching/Video/ADC/APM/CDN
Virtualization/Cloud/AWS
Security/Malware/APT/Botnet/DDOS