application layer in osi model

The linux OSI Layer-7 model, TCP/IP protocol stack, and the structure of each layer reveal big secrets. The osi protocol stack When I learn Linux, I know the OSI model even if I am a li

: provides the ability to establish, maintain, and dismantle transport connections. In the network layer, the transport layer provides the two services of "connection-oriented" and "non-link oriented" to the high level.Handling Transmission errors: Provides reliable "connection-oriented" and less reliable "non-connected" data transfer services, error control, and flow control. When providing a "connection-o

designed and developed into a complete, collaborative protocol series (that is, the protocol family), rather than developing each protocol in an isolated way. In the early days of network history, the International Organization for Standardization (ISO) and the International Telegraph Telephone Advisory Committee (CCITT) jointly published a layer-7 Reference Model for Open System Interconnection. Network p

TCP/IP layer-4 model and OSI Layer-7 ModelTable 1-1 is the table corresponding to the TCP/IP layer-4 model and the OSI Layer-7

TCP/IP four layer modelTCP/IP is synonymous with a set of protocols, and it also includes many protocols that make up the TCP/IP protocol cluster. TCP/IP protocol cluster is divided into four layers, IP is located in the second layer of the Protocol cluster (corresponding to the third layer of OSI), TCP is located in t

Bo is engaged in a FPGA, has not really studied Ethernet-related technology, and now finally can calm down the heart to learn, I hope that they can more in-depth grasp the most basic communication interface technology. Here's the start.I. OSI Reference ModelToday we first learn about Ethernet is the most basic and important knowledge--osi Reference model. 1. Sour

Bo is engaged in a FPGA, has not really studied Ethernet-related technology, and now finally can calm down the heart to learn, I hope that they can more in-depth grasp the most basic communication interface technology. Here's the start.I. OSI Reference ModelToday we first learn about Ethernet is the most basic and important knowledge--osi Reference model. 1,

OSI Layer-7 model basic knowledge and common application OSI Open Source Initiative (OSI for short, Open Source code Promotion Association, Open Source code organization) is a non-profit organization designed to promote the develo

Basic OSI Layer-7 model knowledge and common applications at each layer (1) OSI Open Source Initiative (OSI) is a non-profit organization designed to promote the development of Open Source software. The full name of the

Table 1-1 is the TCP/IP four-layer model and the OSI seven-layer model table. We correspond the OSI seven-layer network model with the Linux

protocol: Describes how to do it. For example: On the eia-232-d wire, the binary 1 indicates that the voltage is less than -3v; B Data Link Layer: Contains the protocol to control the physical layer, is based on the data Link flow control and error control mechanism. For example: How to access and share media, how to identify the device on the media, data on the media before the completion of the data

information in the protocol header added to the data link layer of computer; remove the protocol header and end, and the rest is sent to the network layer. Each layer performs the same action: Read and remove the protocol header and end from the corresponding layer, and then send the remaining information to the first

OSI Layer-7 Model OSI: Open System Interconnection Reference ModelProposed by ISO in 1984, the objective is to establish a general network standard. Application LayerProvides user interfaces for users to access the network.For example, email, WWW, and network file access.S

1. Relationship between the OSI seven layer and the TCP/IP four layer 1.1 OSI introduces the concepts of services, interfaces, protocols, and hierarchies, and TCP/IP builds the TCP/IP model using these concepts from OSI. 1.2

model of today's Internet use is the TCP/IP model, and the latter do not use layers 5th and 6th of the OSI, so we ignore them.Well, I think you should understand. Of course, the 7th level we need to consider. In fact, it was for this 7th tier application that we took the trouble to build this

the session.Session traffic control: Provides session traffic control and cross-session functions.Addressing: Use a remote address to establish a session connection. LError Control: logically speaking, the Session Layer is mainly responsible for establishing, maintaining, and terminating data exchanges. However, the actual work is to receive data from the transport layer and correct errors. Both session co

the session.Session traffic control: Provides session traffic control and cross-session functions.Addressing: Use a remote address to establish a session connection. LError Control: logically speaking, the Session Layer is mainly responsible for establishing, maintaining, and terminating data exchanges. However, the actual work is to receive data from the transport layer and correct errors. Both session co

time and the data will be re-sent.Monitor Service quality .Session LayerThe session layer is the 5th layer of the OSI model. Is the interface between the user application and the network. The main task is to provide a method for establishing and using a connection to the pr

the session.Session traffic control: Provides session traffic control and cross-session functions.Addressing: Use a remote address to establish a session connection. LError Control: logically speaking, the Session Layer is mainly responsible for establishing, maintaining, and terminating data exchanges. However, the actual work is to receive data from the transport layer and correct errors. Both session co

the session.Session traffic control: Provides session traffic control and cross-session functions.Addressing: Use a remote address to establish a session connection. LError Control: logically speaking, the Session Layer is mainly responsible for establishing, maintaining, and terminating data exchanges. However, the actual work is to receive data from the transport layer and correct errors. Both session co