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Introduction: This article as a theoretical basis, will tell us the basic principles of TCP/IP and important protocol details, and on this basis, introduced the implementation of TCP/IP on Linux.OSI Reference Model and TCP/IP Reference ModelThe OSI

Read Catalogue 1. Network Hierarchy Division 2. OSI seven-tier network model 3. IP Address 4. Subnet mask and network partitioning 5. Arp/rarp Agreement 6. Route Selection Protocol 7. TCP/IP protocol 8. UDP

Read the catalogue 1. Network Hierarchy Division 2. OSI seven-tier network model 3. IP Address 4. Subnet mask and network partitioning 5. Arp/rarp Agreement 6. Route Selection Protocol 7. TCP/IP protocol 8. UDP

Read Catalogue1. Network Hierarchy Division2. OSI seven-tier network model3. IP Address4. Subnet mask and network partitioning5. Arp/rarp Agreement6. Route Selection Protocol7. TCP/IP protocol8. UDP protocol9. DNS protocolTen. Nat protocolOne. DHCP

The core content of computer network learning is the study of network protocol. A network protocol is a set of rules, standards, or conventions that are established for the exchange of data in a computer network. Because the different user's data

1. OSI, TCP/IP, five-layer protocol architectureOSI layering (layer 7) : Physical layer, Data link layer, network layer, transport layer, Session layer, presentation layer, application layer.TCP/IP tiering (layer 4) : Network interface layer,

TCP Services TCP and UDP Use the same network layer (IP), TCP provides a connection-oriented, reliable byte throttling service.Connection-oriented means that only two parties communicate with each other. Broadcast and multicast cannot be used for

First, TCP message format TCP/IP protocol details see the "TCP/IP protocol detailed" three volumes. The following is a TCP message format diagram:Figure 1 TCP Message Format          There are several fields that need to be highlighted under:        

The so-called three-time handshake (three-way handshake) establishes a TCP connection, which means that when a TCP connection is established, a total of 3 packets are sent by the client and the server to confirm the establishment of the connection.

Three-time handshake and four-time handshake process resolution for TCP/IP protocol One, TCP message formatFor more information on TCP/IP protocol, see the three volumes of the TCP/IP protocol. The following is a TCP message format diagram:Figure 1