Compared with the layer-7 protocol reference model, how does the TCP/IP protocol implement the network model?

Source: Internet
Author: User

We have learned about the OSI reference model before. Now let's take a look at how TCP/IP implements the network model compared with the layer-7 Protocol Reference Model.

Layers in OSI

Function

TCP/IP protocol family

Application Layer

File transmission, email, file service, virtual terminal

TFTP, HTTP, SNMP, FTP, SMTP, DNS, Telnet

Presentation Layer

Data formatting,CodeConversion and Data Encryption

No agreement

Session Layer

Release or establish contact with other contacts

No agreement

Transport Layer

Provides end-to-end Interfaces

TCP, UDP

Network Layer

Select a route for a data packet

IP, ICMP, Rip, OSPF, BGP, IGMP

Data Link Layer

Transmitted frame with address and Error Detection Function

Slip, cslip, PPP, ARP, RARP, MTU

Physical Layer

Transmit data on physical media in the form of binary data

Iso2110, IEEE802. 802.2

 

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