tcp echo server online

TCP Three handshake (connection established) and four waves (close connection) Reference: Http://course.ccniit.com/CSTD/Linux/reference/files/018.PDF http://hi.baidu.com/raycomer/item/944d23d9b502d13be3108f61 To establish a

Reference:Http://course.ccniit.com/CSTD/Linux/reference/files/018.PDFHttp://hi.baidu.com/raycomer/item/944d23d9b502d13be3108f61To establish a connection:Understanding: Windows and sliding windowsTraffic Control for TCPTCP uses window mechanism for

To establish a connection:Understanding: Windows and sliding windowsTraffic Control for TCPTCP uses window mechanism for flow control what is a window?When a connection is established, each end allocates a buffer to store the received data and send

tcp/ip, Http, sockets, Xmpp-from Getting started to in-depthUltimate iOS Program ape 2016-12-29 18:27 In order to facilitate people's understanding and memory, We first introduce these concepts, and then analyze their differences, and then carry out

1. The need for TCP keepalive1) Many firewalls are automatically closed for idle sockets2) for non-normal disconnection, the server is not able to detect. In order to reclaim resources, a detection mechanism must be provided.2. Factors that cause

Turn from: 1. TCP connection When the TCP protocol is used in network communication, before the actual read and write operation, the server and the client must establish a connection, when the read and write operation is completed, the two sides no

1. Establish a connection protocol (three-way handshake) (1) the client sends a TCP packet with SYN flag to the server. This is packet 1 during the three-way handshake. (2) The server responds to the client. This is the first packet in the three-

Original address: http://blog.csdn.net/oceanperfect/article/details/510645741. HTTP keep-aliveIn the early days of HTTP, each HTTP request required an TPC socket connection to open, and the TCP connection was disconnected after use once.Using

The previous note mainly introduced the basic knowledge related to time_wait. This article describes how to solve the problem raised by the article title based on practice. 1. view the system network configuration and current TCP statusIt is

Windows has an echo, the first reaction is the Dolby sound effect secretly behind me open the Living room mode (after looking at the next and no this mode, something ... ）。Again I tried to open it and found that the network could not connect, so I