how to keep alive

Basic introductionKeep alive can be set at the operating system level for connections made to this machine. A simple TCP packet is returned to the remote host within the set time to detect if the remote host is still responding.There are 2 main

You can think of WebSocket as an HTTP protocol. In order to support a large patch of long connection, it and HTTP have some commonality, is to solve the HTTP itself can not solve some problems and make an improved design.The so-called keep-alive

During webpage development, keep-alive is an important attribute in HTTP. We all know that HTTP is built on TCP. In the early implementation of HTTP, each HTTP request must open a socket connection. This is very inefficient because many HTTP

The keep-alive feature makes the client-to-server connection persistent, and when a subsequent request to the server occurs, the Keep-alive feature avoids establishing or re-establishing the connection. Most Web servers on the market, including

The version after Haproxy 1.5 supports 5 ways to connect-Kal:keep Alive ("option Http-keep-alive") which is the default Mode:allRequests and responses is processed, and connections remain open but idleBetween responses and new requests. The default

How to Keep Alive SSH SessionsMany NAT firewalls time out idle sessions after a certain period of time to keep their trunks clean. Sometimes the interval between session drops is a hours, but on many commodity firewalls, connections was killed after

What are the main causes of network disconnection? To sum up, there are two main types: 1. ClientProgramException. In this case, we can handle it well, because the client program will cause a socket exception of connectionreset on the server

KeepAlive and Heartbeat packs in TCP connection probes. Keywords: tcp keepalive, Heartbeat, keep alive KeepAlive and Heartbeat packs in TCP connection probes. Keywords: tcp keepalive, Heartbeat, keep aliveCategory: Linux2013-11-29 17:46 3855

The default connection timeout time of IIS is 2 minutes. Therefore, when the node program uses keep-alive for access, the keep-alive time should not exceed 2 minutes. Otherwise, after the request is complete, the node continues to maintain the

Http://hi.baidu.com/zgcui/item/ffd8b7de64a3b5836dce3f23 TCP connectionsWhen the TCP protocol is used in network communication, before a true read-write operation, a connection must be established between the server and the client, and when the

Each time you click on the city page button to jump to the first page will request data, which results in low performance, we keep-alive The contents of the display in the App.vue.2, each click on the city to take the corresponding data

Disconnect | The network recently I am responsible for the development of an IM project, the server and the client adopt TCP protocol connection. The service side uses the C # development, the client uses Delphi development. In the service side

The browser and the server need to shake hands three times when establishing an HTTP connection. In a high-concurrency environment, a three-way handshake for each connection consumes too much service resources, this is essentially because HTTP is

Use Chrome to connect to the Nginx server (Nginx+spero) and discover that each request result is returned to the browser and will run after a few minutesNgx_http_close_connection function, you can see the header returned to Chrome by Nginx and the

Three configuration parameters, regardless of windows or linux,keepalive. The following is an introduction to the Linux environment.Technorati Tags: keepaliveThere are three related member variables in the tcp_sock structure. Keepalive_probes:

Keep-alive and close this is going to start with the TCP handshake.HTTP requests are based on TCP connections, TCP requests are included (three handshake, intermediate request, four wave)In the http/1.0 era, an HTTP request will be three handshake

asp.net asp.net pre-compilation and keep-alive 1, pre-compilation in Whidbey Asp. NET is a major feature is dynamic compilation, but some occasions pre-compilation is a better choice, for example, you do not want to visit your site's first users

Determine the end of an HTTP request in Keep-Alive mode. When a short connection is used, each HTTP request corresponds to a TCP connection. after the request is complete, the connection is immediately disconnected, and the server returns EOF.

Code used to determine the end of an HTTP request in the Keep-Alive mode. Therefore, you can determine the end of a request based on EOF. the following code (PHP) is very common: Copy the code as follows: $ fp is the handle while (!) produced by

Brief introductionKeep-alive is a configuration parameter in the HTTP request header information, which is commonly known as the HTTP Long connection, HTTP 1.0 and HTTP 1.1 are supported, the property is turned off by default in HTTP1.0, and can be