Network model |
History of Internet
General Network models TCP/IP
SONET (SDH) Tutorial DWDM Tutorial T1(DS1): 1.154Mbps, T3(DS3): 45Mbps, OC3: 155Mbps, OC12: 622Mbps, OC48: 2.4Gbps,
OC192: 9.6Gbps. Unix comands: ping, traceroute, dig, host |