Reprint please explain the source: http://blog.csdn.net/cywosp/article/details/38036537
First, let's take a look at the layer chart of the TCP/IP protocol family that everyone is very familiar with: the role of each layer in the network packet transmission process is not the focus of this article, this article mainly explains how to use IP addresses at the network layer for server cluster load balancing and why it can be used for
: This article mainly introduces (summary) the advantages and disadvantages of NginxLVSHAProxy server load balancer software. For more information about PHP tutorials, see. PS: Nginx/LVS/HAProxy is currently the most widely used three load balancing software. I have implemented these software in multiple projects. I have referenced some materials and combined som
Origin:Because I plan to develop a server similar to instant messaging, I need to plan the framework for future development. The most important solution is to connect the client to the server. As the number of customers increases (for example, 1 million), online and offline (for example, 10 thousand) at the same time will put a lot of pressure on the system. In addition, Server Load balancer should be consi
Because the data traffic of the network is mostly concentrated at one end of the central server, load balancing is usually used to balance (or share) the load of the accessed server. Server Load balancer is structured into local Server Load
-machine interoperability" and so on.2. Load Balancer cluster (load Balance Cluster)LBProvides a load capacity that is proportional to the number of nodes, which is suitable for services that need to provide heavy load traffic, such as the web. The more famous of these clust
) known for providing audio and video services to RealPlayer, The world's largest open source website (sourceforge.net). Using LVS to set up a server cluster system has three parts, the most front-end load balancer layer, with load balancer, the middle of the server group layer, with server array, the bottom of the dat
Server Load balancer (SLB) is a load balancing service that distributes traffic among multiple ECs instances. SLB can expand the external service capability of the application system through traffic distribution, and improve the availability of the application system by eliminating spof.
(In connection with CDN, CDN uses Server
On the Internet, various articles, pictures, music, and other information you need are a series of analog data. This type of data is stored in the storage center and data center. Now that we are talking about Server Load balancer, let's look at the IDC, that is, the data center. The Center for interaction and circulation of such information must have the Server Load
Nginx's address is as follows:Nginx Download: http://nginx.net/Download of the version used in this test: nginx/windows-0.8.22
Download extract to C:, change directory name to Nginx
Practice steps:
First:
In the local (10.60.44.126) server, IIS creates a Web site using a port of 808, as shown below:
IIS Web site bindings settings diagram
Second:
Create a Web site in remote 10.60.44.127 IIS using a port of 808, as shown below:
Remote IIS Binding settings diagram
Note: The first an
Clusters, such as buying a generation to push the server down and put a piece he's quite a cluster, and load balancing is to get this big bunch of servers to work on average. He is called load Balancer, as shown in:For example, I use 192.168.8.155 to act as a pic host 1 and PIC Host 2 with Server A, 192.168.8.166, and 192.168.8.177来 as follows:Then start modifyin
5. Installation Configuration keepalivedKeepalived is running on the LVS, its main function is to realize the real machine fault isolation and load balancer between the failure switch Failover.lvs combined with keepalived, the implementation of 3-layer, 4-layer, 5/7-layer switching functions. The following is the second use of LVS, lvs+keepalived. The installation and verification of Ipvsadm is the same as
Iping object that checks whether a service instance is functioning properly, defaults to NULL, and constructs a time injectionDefines the execution policy object ipingstrategy for checking service instance operations, in BaseloadbalancerSerialpingstrategy is used by default, traverse checkIrule object that defines the processing rules for load balancing, from BaseloadbalancerChooseserver (Object key), which actually delegates the selection task to th
Apache self-built Server Load balancer cluster function recorded by: xuanfei
I have searched the internet and found that it seems that I seldom talk about the functions of the mod_proxy module. So today I am going to learn how to buy it. Let's talk about the versions earlier than apache2.2, I have more information about the internet. I 'd like to say a few simple words below :)
The following example uses t
Nginx Server Load balancer configuration instance details
Server Load balancer is one of the things we need to do for a large-traffic website. Next I will introduce how to configure Server Load balancer on the Nginx server. I hope
1. Story ReviewIn my previous blog, I built two Web servers and then built an nginx load balancer server on the front end to distribute the requests to two different servers (http://blog.51cto.com/superpcm/2095324). The previous test is not a problem because the test program is a static web site that is purely static and does not change. Later I set up on both the web to build a WordPress service, and then
AWS EC2 Server Configuration load balancer steps:1. General Load BalancerAt least two EC2 instances, Here take the Centos6.7 system as an example to install an Apache httpd server default 80 port, or use a different server and port also line, configure the load balancer need
: This article describes how to configure an Nginx server load balancer instance. if you are interested in the PHP Tutorial, refer to it. [Introduction] server load balancer is a task for a large-traffic website. next I will introduce how to configure server load
Network troubleshooting: Consider the Server Load balancer System
It may be difficult to eliminate network problems. If a Server Load balancer system is added to the network, it will pose another challenge. It may not be easy to identify whether the Server Load
master-Slave 6 node starts all, start the Web service accessData is also perfectly available. Everything OK so we a SSM Web application +redis cluster +mysql load balancer high availability, high performance, high expansion of the read and write separation architecture is completed, there are many flaws, and then will be self-completion, the architecture also need to use Nginx to
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 LVS;
LVS This 4-layer load
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