round robin load balancing f5

[ArticleAuthor: Zhang banquet this article version: V1.0 last modified: 2008.09.21 reprinted please indicate the original article link: http://blog.s135.com/post/#/] On the afternoon of June 23, September 20, I was invited to join the chinaunix project to "How to Deal with Server Load balancer ?" The theme of the Technical Salon (http://linux.chinaunix.net/bbs/thread-1019366-1-1.HTML), it is a pleasure to be able to discuss with many industry elites,

the valid address list will soon be insufficient. In this case, you can use the upper-layer protocol id, for example, you can use the port number field of the transport layer TCP/UDP to create a NAT translation table.Ii. Server Load balancer DNS's Server Load balancer technology mainly uses the round robin algorithm. However, the DNS

after each request is completedOption dontlognull # do not record Health Check log informationOption forwardfor # If the backend server needs to obtain the parameters that need to be configured for the real IP address of the client, the Client IP address can be obtained from the HTTP header.Option redispatch # After the server corresponding to the serverid fails, it is forcibly redirected to another healthy server.Retries 2 # If the connection fails twice, the service is considered unavailable.

Introduction to load Balancing clustersMain 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 layerKeepalived Load balancer is actually the LVS LVS this 4-layer load balan

Author: Early Zenwen Email:wenchu.cenwc@alibaba-inc.com blog:http://blog.csdn.net/cenwenchu79 Date:2009-5-26 Directory Demand turns to learning ... 2 "Soft" load balancing ... 2 LVS (Linux Virtual Server) ... 3 Virtual Server three mode introduction ... 3 Virtual server Three comparison of modes ... 5 Virtual Server three mode practice ... 6 Simple stress test in three different modes ... 9 Ha-proxy. 10 Ha

High-availability web load balancing with lvs and keepalived in CentOS Topology Install keepalived[Root @ node1 ~] # Yuminstall-ykeepalived Modify the keepalived MASTER configuration file[Root @ node1 ~] # Vim/etc/keepalived. conf! ConfigurationFileforkeepalivedglobal_defs {icationication_email {acassen@firewall.locfailover @ firewall.locsysadmin@firewall.loc} notification_email_fromAlexandre.Cassen@firewa

[Linux] nginx tomcat performs load balancing, nginxtomcat I used nginx as a web reverse proxy and did not perform load balancing. Today I have a student who needs to perform Load Balancing for tomcat. I have also studied it. Th

server list is not changed.4. Weighted round-robin methodDifferent back-end servers may not have the same machine configuration and current system load, so they have varying compression capabilities. Configure a high, low-load machine with higher weights to handle more requests, and configure low, high-load machines,

Nat mode of LVS clusterBasic concepts:Cluster :cluster is a group of computers that provide users with a set of network resources as a whole, and these individual computer systems are nodes of the clusterTypes of clusters:LB Load Balancer cluster HA high availability cluster HPC high Performance computing clusterHow LB is implemented:1 Software-f5 Load Balancer2

Nginx Load Balancing implementation I. Load Balancing Methods1. Round Robin Upstream test_up {Server localhost: 8080;Server localhost: 9090;Server localhost: 9090;} Server {Listen 80;Server_name test; Location/test.html {Proxy_pass http: // test_up;}} When you enter http: //

If you have been concerned about nginx, you must know what is the use of Nginx software, if your website access is increasing, a server has no way to withstand traffic pressure, then increase the number of servers to do the load bar. Do Web site load can buy hardware equipment to achieve, such as F5, but the price of hundreds of thousands of to millions, enough e

If you are concerned about Nginx, you must know what is the use of Nginx software, if your site access is more and more high, a server has no way to withstand the flow of pressure, then increase the number of servers to do load it. Do site load can buy hardware equipment to achieve, for example, F5, but the price is hundreds of thousands of to millions, enough ex

: This article mainly introduces the load balancing of nginx and IIS. For more information about PHP tutorials, see. If you have been paying attention to nginx, you must know what the nginx software is for. If your website traffic is getting higher and higher, one server can no longer withstand traffic pressure, let's increase the number of servers for load. Webs

2008 Sina Podcast is composed of static server cluster and dynamic server cluster, static server cluster uses squid to do front-end cache, dynamic server is also called interface server, mainly used to achieve display playback, record playback logs and so on.The interface server uses F5 big-IP hardware four/Seven load balancer switch, 4 nginx reverse proxy Server four layer