persistent connection

First, set the keepalive attribute of the socket.# Include "/usr/include/Linux/tcp. H"# Include "/usr/include/Linux/socket. H"//// Keepalive implementation, in seconds// The following code requires an ace. If it does not contain an ace, change the

WebSocket is a new protocol for HTML5. it realizes the browser and the server full-duplex communication , can better save the server resources and bandwidth and achieve real-time communication , It is based on TCP , the same as HTTP through TCP to

Previous wordsAn HTTP connection is a critical channel for HTTP message transmission. To master HTTP, you need to understand the ins and outs of HTTP connections and how to use those connectionsIf you want to view a Web page, the browser will follow

There are many introductions on "server push" on the Internet. One of the implementation methods is to use the comet technology to establish an http "persistent connection" between the browser and the server ", the so-called "persistent connection"

Is TCP applicable to the WAN environment? 1. Background information A long time ago, I heard a colleague from the department say that the Http protocol is applicable to the WAN, but the TCP protocol is not applicable to the WAN, because the Http

Chapter II, section II, web and HTTPIn this chapter, we need to discuss 5 important applications: Web, File transfer, e-mail, directory services, peer-to-peer, and in this section we will discuss the Web and its Application-layer protocol

Map: by @OlgaHi, everyone, I am the Incense ink shadow!The HTTP protocol occupies an important place in the network knowledge, the most basic of the HTTP protocol is the request and the response message, and the message is composed of the header and

HTTP is an application layer protocol built on the TCP protocol of the Transport layer, in which the Protocol is a protocol specification that network interaction needs to comply with.Short connection of HTTP1.0HTTP 1.0 Specifies that the browser

Principles of server and client message pushing In fact, there are several ways to push messages between the server and the client: 1. The client constantly queries the server and checks new content, that is, the so-called pull or polling method; 2

1.TCP ConnectionAlmost all of the HTTP traffic is hosted by TCP/IP, which is a commonly used packet-switched network layered protocol set for global computers and network devices. Once the connection is established, the messages exchanged between

From: Zhou Ting (zhouting@cn.ibm.com), software engineer, IBM China Software Development Technology Laboratory Introduction:Many applications, such as monitoring, instant messaging, and instant quotation systems, need to send changes in the

One: The origin of http: The OSI model divides the network communication into seven layers: physical layer, Data link layer, network layer, transport layer, Session layer, presentation layer and application layer, it is easy to understand that the

Socket multi-user connection help younger brother is working on a socket applet with flash as the client and php as the server Now there is a problem after flash successfully connects to the server! Everything can communicate normally But you

Comet (Reverse AJAX) is mainly used to maintain a connection with the Server through HTTP persistent connections to implement Server PUSH and bidirectional communication. The following uses an example to learn how to use it.Benefits: 1. Resource

Benefits: 1. Resource Saving and low latency compared with AJAX polling. 2. Compared with webSocket, it is widely used. 1. Create an empty Asp.net MVC project first Add a controller (the same code can also be used in Asp.net WebForm) Copy codeThe

Put it bluntly: directly add the code Code function: the client sends a string to the service first. After receiving the string, the server sends the same string (echo string) to the client) The server side of this demo has been greatly updated on

Thomescai http://blog.csdn.net/thomescai (reprinted please keep) Summary: I was a little confused about these concepts. I checked some materials and summarized their differences. If any error occurs, take a picture ~~~ First look at the

Every PHP script limits the execution time, so we need to use set_time_limit to set the execution time of a script to an infinite length, and then use flush () and ob_flush () to clear the Server Buffer, output the return value of the script at any

This article provides a detailed analysis of the methods and precautions for implementing persistent connections in php. For more information, see set_time_limit (0. The sample code is as follows: The code is as follows: Echo "output once every

Well, this should be a problem at the Cainiao level, but I still have no idea if I have read the documentation. Well, this should be a problem at the Cainiao level, but I still have no idea if I have read the documentation. Reply content: Well,