是TCP三次握手中的第二次请求发送后的状态 ESTABLISHEDrepresents an open connection, data received can be delivered to the user. The normal state for the data transfer phase of the connection.代表开放连接,接收到的数据可以传递给用户。 连接的数据传输阶段的正常状态。是TCP三次握手中的第三次请求发送后...
Draw a time sequence diagram of the three-way handshake in your trace, up to and including the first data packet (the HTTP GET request) sent by your computer when the connection is established. Put your computer on the left side and the remote server on the right side. 可见前两次握手时...
A TCP connection progresses through a series of states during its lifetime. The following diagram illustrates the possible states for a TCP connection and how the states transition based on various events from either the network or from the local TCP sockets application. Figure 1. TCP state ...
In addition to the information shown in the diagram above, an exchange of source and destination ports to use for this connection are also included in each senders' segments.4 2.2 Data Transfer Once ISNs have been exchanged, communicating applications can transmit data between each other. Most of...
/// It's a subset of the states available in the full TCP state diagram. pub enum State { Closed, Listen, SynRcvd, Estab, } pub struct Connection { /// The current state of the TCP connection. state: State, /// The sequence space for sent data. It keeps track of various sequence...
18.6 TCP State Transition Diagram / TCP的状态转换图240 18.7 Reset Segments / 复位报文段246 18.8 Simultaneous Open / 同时打开250 18.9 Simultaneous Close / 同时关闭252 18.10 TCP Options / TCP选项253 18.11 TCP Server Design / TCP服务器的设计254 18.12 Summary / 小结 260 Chapter 19. TCP Interactiv...
This can happen while 1) sending file data or 2) during the last ACK of the three way handshake. This sequence depicted by the K&R diagram above will be kicked off. The client will send a FIN (which can get lost). If the FIN segment hits the retransmission limit, there is nothing th...
Createaprocess-to-processcommunicationProvideacontrolmechanismatthetransportlayerProvideaconnectionmechanismfortheprocesses Protocols TransmissionControlProtocol,TCPUserDatagramProtocol,UDP -- 2 Introduction 高层应用的需求：reliability 传输大量的数据，要求可靠的通信服务自身的可靠性机制弱底层网络和IP网络是不可靠、无...
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18.6 TCP State Transition Diagram / TCP的状态转换图240 18.7 Reset Segments / 复位报文段246 18.8 Simultaneous Open / 同时打开250 18.9 Simultaneous Close / 同时关闭252 18.10 TCP Options / TCP选项253 18.11 TCP Server Design / TCP服务器的设计254 ...