OSI七层网络模型Linux TCP/IP四层概念模型对应网络协议应用层(Application)应用层TFTP, FTP, NFS, WAIS表示层(Presentation)Telnet, Rlogin, SNMP, Gopher会话层(Session)SMTP, DNS传输层(Transport)传输层TCP, UDP网络层(Network)网际层IP, ICMP, ARP, RARP, AKP, UUCP数据链路层(Data Link)网络接口FDDI, Ethernet, Arpanet, PDN, SLIP, PPP物理层(Physical)IEEE 802.1A, IEEE 802.2到IEEE 802.11应该是这样的吧!