what server need

ArticleDirectory 1. connection-oriented transmission protocol: TCP 2. Three network chat program modes 1. The server listens on the port 2. Connect the client to the server 3. The server obtains the Client Connection C #

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

ASP security issuesI often see that ASP is not secure, such as being vulnerable to injection. If your level is not high, PHP and Asp.net may be injected with JSP. What is asp? ASP is just a technology. Is the website developed with ASP

The full name of FTP is File Transfer Protocol (File Transfer Protocol Is the protocol used to transmit files. it works on the Seventh Layer of the OSI model, that is, the application layer, using TCP transmission instead of UDP. in this way, the

Original in: http://rdc.taobao.com/blog/cs? P = 1062 Many TCP adjustment parameters are introduced here, which is very exciting. For a server, we generally consider the QPS that it can support, but for an application, we need to focus on the number

Concept: HTTP protocol, that is, Hypertext Transfer protocol ). It is a data transfer protocol that defines the communication rules between browsers and the World Wide Web (WWW = World Wide Web) servers and transmits World Wide Web documents over

Use the mechanism module in Python to simulate the browser function This article describes how to use the mechanism module in Python to simulate browser functions, including cookie and proxy settings. For more information, see It is usually useful

1. Comparison of WebService and EJB call Performance2. Test ResultsNumber of data entries: Percentage consumed by the time difference between WebService and non-WebService2 0.078 0.077 0.001 1.8%11 0.125 0.113 0.012 9.6%20 0.187 0.153 0.033 17.9%30 0

Python3.x crawler Tutorial: webpage crawling, image crawling, automatic login,Original works of Lin bingwen Evankaka. Reprinted please indicate the source http://blog.csdn.net/evankaka Abstract: This article uses Python3.4 to crawl webpages, crawl

With the increasing number of computers, the increasing number of network applications, and the increasing number of networks, it is difficult for enterprises to adapt to new network requirements, upgrading is a historical necessity. In fact, as the

In the computer world we can see in a way, that is abstraction. 1946 von Neumann presented the basic structure of the computer comprising: calculators, memory and I/O devices. This is probably the most important abstract of computer, which directly

We know this Web services use the TCP protocol at the transport layer. Standard TCP protocol to Three-way handshake (Three-way handshaking), the server can respond to the client's request to SE nd data. If The Three-way handshake phase, the client

First, the Linux automatic installation system detailed work process. Second, configure the PXE network installation instructions and sequence of steps 1), configure Server for NFS, with the installation files for the Linux system. 2), configure the

I've seen some recent research on IM that has turned the past upside down to study this research.Communication protocol UDP, chat peer-to-peerThis project simply realizes the basic function of early QQ. Text chat Emoticons, Pictures

Environment: Both the client and the server need to install the Rsyslog service-rsyslogserver End of Springboard machine/etc/rsyslog.d/server.conf$modload Imtcp$inputtcpserverrun 514/etc/rsyslog.conflocal4.*/var/log/histo Ry.logsudo Service Rsyslog

Network-based Red Hat unattended installation This paper introduces a fast Red Hat Linux installation scheme on PC platform. It has a high degree of automation--users can complete the installation process by simply starting the

Recently in doing a keep-hand captain online business, design requirements support mobile phone long connection 1 million, currently we only made a stand-alone version, not the development of the cluster version.Hardware: 2U * 8C * 2.4G, 16G MEM,

KEEPALIVE.CONF # configuration file# vip 101.21.55.12 10.10.10.12# real server1 101.21.55.13 10.10.10.13#  Real Server2 101.21.55.14 10.10.10.14# ! Configuration File for  keepalived #  Global Definition Section global_defs {  notification_email {   

Server-side Join cache 1. BackgroundBecause the project progress is more tight. And the first time the architecture of their own design system, just started to consider not completely, mainly thinking of the system to achieve the function of the

First, the Knowledge Reserve:1. Three elements of network communication:IP Address: inetaddressIdentification of devices in the networkHard to remember, host name availableLocal loopback address: 127.0.0.1 host name: localhostPort numberThe logical