open source load balancer

First, load Balancing introduction Main open source software LVs, keepalived, Haproxy, Nginx and so on; The LVS belongs to 4 layer (network OSI 7 layer model), Nginx belongs to 7 layer, Haproxy can be considered as 4 layer, can be used as 7 layer; Keepalived load balancing function is in fact L

Build a Server Load balancer cluster with LVS in Linux Common open-source load balancing software: nginx, lvs, and keepalivedCommercial Hardware load equipment: F5, Netscale1. Introduction to LB and LVSLB clusters are short for

1. Proxy and reverse proxy server: connection requests from the proxy internal network to the Internet. External access requests to the internal network are not supported. Reverse Proxy Server: acts as a proxy for hosts on the external network to access the internal network. Www.2cto.com 2. Common WEB Server Load balancer methods (1) manually select the server from which the user chooses to download resourc

Server Load balancer hardware provides good functions, but they are expensive, this makes the Server Load balancer software very popular. nginx is one of them. The first public version of nginx was released on December 1, 2004, and 2011 on December 31, 1.0. It is characterized by high stability, powerful functions, a

Introduction to load Balancing clusters Main open source software LVs, keepalived, Haproxy, Nginx, etc. The LVS belong to 4 layer (network OSI 7 layer model), Nginx belongs to 7 layer, Haproxy can be considered as 4 layer, can also be used as 7 layer The Keepalived load balancing function is actually the LVS

(RoundRobin) method to retrieve the corresponding IP address from the NAT address pool to convert valid IP packets.Ip nat pool websvr 2.2.2.1 2.2.2.3 netmask 255.255.255.0 type rotary Step 4: Convert the destination IP address into the IP address defined in the address pool. So far, the NAT Server Load balancer settings have ended, isn't it easy?Ip nat inside destination list 1 pool websvr My personal sum

to the game room server and tries to play the game. Therefore, because the game room server and the lobby server and the login/account server both have the login targets for players The game room server detects that the player has not logged on to the server to perform necessary account verification, so it will kick the player offline. From this point of view, data synchronization between servers is a real Another necessary condition for Server Load

Nginx Server Load balancer configuration instance details First, let's take a brief look at what Server Load balancer is. Simply understanding what it means literally can explain that N servers are equally loaded, A server is not idle because of its high load downtime. The p

;Note: If you are running multiple tomcat at the same time on a single PC, you must set the port (port number) inside the "" element node of each tomcat pair's Server.xml file to a different value. Here the difference is only the second one, but the two " " element nodes need to be modified.Load Balancer cluster configuration (2):Then continue to modify this file, find the " " element node below the comment below ? There areEngine name="Catalina

=ajp13worker. Tomcatb.lbfactor=1 #设置权重worker. Tomcata.host=172.16.4.102worker. Tomcata.port=8009worker. Tomcata.type=ajp13worker. Tomcata.lbfactor=1worker. STATA.TYPE=STATUSWORKER.TCSRVS.TYPE=LB #代理方式为lb, i.e. load Balancer WORKER.TCSRVS.BALANCE_WORKERS=TOMCATA,TOMCATB # Description The Tcsrvs list contains, Tomcata, and tomcatbworker.tcsrvs.sticky_session=0 #关闭基于session的绑定, otherwise it will remain anchore

I. LVS principles 1. The full name of LVS is Linux Virtual Server, that is, Linux Virtual Server. It is an open-source project of Dr. Zhang Wenyu from our country. In linux memory 2.6, it has become a part of the kernel. in earlier versions, the kernel needs to be re-compiled ., LVS is mainly used for multi-server load balancing. It works at the network layer to

Article Title: Linux Server Load balancer LVS simple settings. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. 　　 Simple terms: 　　 Director: Front-End Server

Article Title: about dual-connection server load balancer. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. Save everyone's time. First, let's talk about the theme: 　　 Packet-level T

Official Spring Cloud documentation-Client Server Load balancer: Ribbon, cloudribbon Official documentation: http://cloud.spring.io/spring-cloud-static/Dalston.SR2/#_spring_cloud_netflix In this article, I did some tests in: http://git.oschina.net/dreamingodd/spring-cloud-preparation Client Side Load Balancer: Ribbon C

Microsoft Azure's Load balancer is a Layer-4 load balancer. The Microsoft Azure load balancer distributes the load between a set of available servers (virtual machines) by calculating t

load balancingNginx is a lightweight and high-performance WebServer. It can do the following two things:As an http server (same as apache)Server load balancer as a reverse proxy serverNginx can be seen everywhere now. It is often seen that nginx is displayed on the webpage after a crash, this also shows that Nginx is used by more and more users due to its high p

Currently, popular Server Load balancer front-end servers include Apache (with mod_proxy), nginx, Lighttpd, squid, perlbal, and pound. If your domain name service provider provides DNS-level Server Load balancer, or (that is, a domain name randomly points to multiple IP addresses, and the customization is not high ). I

Detailed explanation of IIS Server Load balancer-application request route Article 1: arr Introduction Speaking of Server Load balancer, I believe everyone is no stranger. This series mainly introduces the Server Load balancer s

2.1.6 show the final task confirmation setting interface. Figure 2.1.5: Server Load balancer settings: Specify the EM Task Name. Figure 2.1.6: Load capture settings: final task View Finally, Oracle 11g requests the last confirmation. Figure 2.1.7: Server L