7 layers of osi model

The correspondence between the OSI model and the TCP/IP protocol the layers of popular TCP/IP protocols are not divided by the OSI reference model, but have a general correspondence with them. Network layer protocols mainly include the IP protocol to encapsulate and send IP

between a-B and the reliability of the connection4) package The data at the network layer and define the destination IP address and source IP address in front of the packaged data5) Reprocessing at the data link layer, the data mask after processing defines the target Mac and source MAC address6) Re-physical layer, eventually changing the data to machine and identification of the 10101 binary encoding, and then transmission on the network cable7) to the router to the data forwarding, in order t

Learn Linux network management, notes collation, promote memory.OSI (Open Systems Interconnection model) consists of seven layers, which are progressive from the application layer to the physical layer, respectively, and have different protocols and data processing methods.Application----layer-to-session-layer-to-layer-layer---------Data link layer----physicalData unit: ADPU PPDU SPDU TPDU message frame bit

　　　　　　　　　　　Network programmingNetwork model: OSI (Open System Interconnection Open System interconnect) Reference Model TCP/IP Reference Model Seven Floor Brief:1. Layer Physical layer: The main definition of physical equipment standards, such as the interface type of network cable, the interface type

Iso/osi the PDU (Protocol Data unit) corresponding to the TCP/IP protocol model of the Reference ModelThe application layer ..... ..... The application layer ...... DataThe presentation layer ..... ..... The application layer ...... DataThe session layer ..... ..... The application layer ...... Data The transport layer ..... ..... The transport layer ...... Paragraph The network layer ..... ..... The Inte

Differences between an ISO 7-layer model and an ISO 5-Layer Model TCP/IPThe layered model (TCP/IP layering model) is also known as the Internet layered model or the Internet Reference Model