computer network layers architecture (TCP/IP)

computer network layers architecture TCP/IP 协议簇 计算机网络 分层架构

computer network layers architecture (TCP/IP)

计算机网络分层架构

TCP/IP 协议簇

OSI 模型(7 层)

TCP/IP (4 层)

Application (or Process)Internet

Transport (or Host-to-Host)

Internet

Network Access (or Link)

Application (e.g. SNMP, HTTP, FTP)

Presentation (e.g. encryption, ASCII, PNG, MIDI)

Session (e.g. Syn/Ack)

Transport (e.g. TCP, UDP, port numbers)

Network (e.g. IP, routers)

Data Link (e.g. MAC, switches)

Physical (e.g. cable, RJ45)

demos

HTTP 应用层

TCP, UDP 传输层

IP 网络层