reset tcp ip stack

: "When we transmit data, we can only use the (Transport Layer) TCP/IP protocol, but in that case the data content cannot be recognized without the application layer." If you want to make the transferred data meaningful, you must use the application-layer protocol. There are many application layer protocols, such as HTTP, FTP, Telnet, etc., and you can define the application layer protocol yoursel

IP datagram before it handed the complete TCP segment to the TCP layer. Below are a couple of scenarios showing how MSS values are set and used to limit TCP segment sizes, and therefore, IP data Gram sizes. Scenario 1 illustrates the way MSS was-a-implemented. Host A has a

Original address: http://blog.chinaunix.net/uid-26833883-id-3627644.html interconnection network in the early days, the interconnection between hosts uses the NCP protocol. This protocol itself has many shortcomings, such as: Can not interconnect different hosts, can not interconnect different operating systems, no error correction function. To improve this shortcoming, Daniel has made the TCP/IP protocol.A

use the application-layer protocol.There are many application layer protocols, such as HTTP, FTP, Telnet, etc., and you can define the application layer protocol yourself.The WEB uses the HTTP protocol as an application-layer protocol to encapsulate HTTP text information and then send it to the network using TCP/IP as the Transport layer protocol. ”and what we usually say the most socket is what, in fact,

, we can use the TCP/IP protocol. In fact, the socket is not necessarily associated with the TCP/IP protocol. The socket programming interface is designed to adapt to other network protocols as well. So, the advent of sockets just makes it easier for programmers to use the

network service for terminal equipment, and the UDP protocol provides non-connected and unreliable datagram service for terminal equipment. As we can see, TCP protocol in order to ensure the reliability of data transmission, compared to UDP packets, TCP packet header has more field options.First, let's look at the main fields of TCP headers:Each

protocols for Networking program code.TCP/IP protocolThe TCP/IP network protocol stack is divided into the application layer (application), the Transport Layer (TRANSPORT), the network layer (networks) and the link layer (link) four layer. As shown, if not specifically stated, the general quoted figure is from the "

network firewall may disconnect the connection to free up network resources. So when there is no data transmission in a socket connection, the heartbeat message needs to be sent to maintain the connection ~ ~ The specific heartbeat message format is defined by the developer. the OSI Reference Model developed by ISO is too large and complex to incur many criticisms. In contrast, the TCP/IP protocol stacks d

application layer protocols, such as HTTP, FTP, Telnet, etc., and you can define the application layer protocol yourself.The web uses the HTTP protocol as an application-layer protocol to encapsulate HTTP text information and then send it to the network using TCP/IP as the Transport layer protocol. ”And what we usually say the most socket is what, in fact, the socket is the

Recently, I am crazy about supplementing the foundation and looking at the TCP/IP protocol. However, the content in the book is too abstract, and there is no data instance. After reading it for a long time, I forget it. Therefore, we moved a sniffer and captured the data packets. Haha, I had to explain it in the book, and I understood it faster. I will add some basic knowledge. Let's get started with the

TCP/IP protocol stack and gained a deeper understanding of many concepts. For example, TCP and UDP belong to the same transport layer and are jointly deployed on the IP layer (Network Layer. The IP layer is mainly responsible for

prepare for the final data transfer. The above diagram clearly indicates the role of each layer in the TCP/IP protocol, and the process of TCP/IP protocol communication corresponds to the process of data loading and stacking. The process of the stack, the data sender each

, the socket is not necessarily associated with the TCP/IP protocol. The socket programming interface is designed to adapt to other network protocols as well. So, the advent of sockets just makes it easier for programmers to use the TCP/IP protocol stack, which is an abstrac

, etc., also You can define the application layer protocol yourself. The web uses the HTTP protocol as an application-layer protocol to encapsulate HTTP text information and then send it to the network using TCP/IP as the Transport layer protocol. ”(6) The relationship between socket and TCP/IP protocol :Socket is the

, we can use the TCP/IP protocol. In fact, the socket is not necessarily associated with the TCP/IP protocol. The socket programming interface is designed to adapt to other network protocols as well. So, the advent of sockets just makes it easier for programmers to use the TCP