OSI stratified model!
2018-03-10
OSI model
layer | data | protocol(main) | description |
---|---|---|---|
Physical | bits | PHY | electrical and physical specification |
Data link | frame | MAC | error correction and flow control |
IP | |||
Network | packet | IP | address resolution and routing |
Transport | segment | UDP,TCP | |
PORT | |||
Session | report | socket | |
Presentation | report | MIME,SSL,TLS | |
Application | report | HTTP,IMAP |