f5 load balancing methods

/weight of each back end, and select the backend with the lowest value. If there are multiple back-end conns/weight values with the same minimum, then the weighted polling algorithm is used for them.What is load balancingWe know that the performance of a single server is capped, when the traffic is very large, you need to use multiple servers to provide services together, this is called the cluster.A load b

types: ro Roundrobin , which represents a simple pollingSTATIC-RR , which is based on the weightLeastconn , indicating that the minimum number of connections is processed firstSource , which represents the source of the request based IPRI that represents the request based on the URIRl_param that represents the URl parameter according to the requestHDR (name) , which indicates that each HTTP request is locked according to the HTTP request HeaderRdp-cookie (name) , which indicates that each TCP

must be used to meet the needs of a large number of concurrent accesses. Linux Virtual Server (SERVERS,LVS) uses load balancing technology to make multiple servers a virtual server. It provides a cost-efficient solution for adapting to fast-growing network access requirements with a load capacity that is easy to scale. LVS is an open source software that enables

. The hardware and software packaged as an enterprise application solution to sell to customers. The deployment of such applications is simple and the hierarchy is relatively shallow. To ensure reliability, deploy one Weblogic Server on each of the two sets of small machines, using a hardware load balancer like F5 in front of the app service, as shown in.Because the minicomputer and the front

strategy from the point of view of source, take the actual industrial production as a case, compare each load balance strategy, provide reference for Nginx users. In this section, we'll talk about the problems encountered after using Nginx load Balancing: Session problem file upload download Typically, server load pro

Load Balancing between Apache-2.2.29 and Tomcat-6.0.41 in CentOS-6.4-minimal, tomcat6.0.41 /*** In the CentOS-6.4-minimal version of Apache-2.2.29 and Tomcat-6.0.41 Load Balancing * balance * about the Load Balancer (Load Balancer

Nginx/lvs/haproxy is currently the most widely used three load balancing software, I have been implemented in a number of projects, reference to some information, combined with some of their own experience, summed up.The general use of load balancing is to use different technologies depending on the stage of the site's

, in the use of web language development, all kinds of languages basically have their own cache modules and methods, PHP has pear cache module, Java more,. NET is not very familiar, I believe there is certainly.5. Website Design ImageMirroring is often used by large web sites to improve performance and data security, the mirror technology can solve the different network access providers and geographical user access speed differences, such as the diffe

This blog reposted from: http://blog.csdn.net/u014649204/article/details/25115039 The design of the balancing algorithm directly determines the performance of the cluster in load balancing. Poor design of the algorithm will lead to load imbalance in the cluster. The main task of the general

too short will increase DNS traffic and cause additional network problems. Finally, it cannot distinguish between servers, nor reflect the current running status of servers. When using DNS Server Load balancer, you must ensure that different clients can obtain different addresses evenly. For example, user a may only browse several webpages, while user B may download a lot. Because the domain name system does not have a proper

1 Load Balancer Product introductionHardware-based load balancing devices such as F5,BIG-IP,Software-based load balancer product Haproxy,lvs,nginxIn these software products, it is divided into the implementation of soft load based

Load Balancing cluster (LB)How load Balancing clusters workWhen a user sends a request, the request is not immediately sent to the backend's real server (realservers), but is sent first to the Scheduler or Distributor (Director), and then the director, based on some scheduling algorithm, The request is sent to the back

Introduction to LVS Load balancingTypical open source software for load Balancing clusters: lvs,nginx,haproxy,lighttpd.High-availability clusters typically commonly used open source software: keepalived,beartbeatCommercial hardware load devices: F5, NetscaleLoadBalancer is t

WebLogic load Balancing can be achieved by means of software and hardware. Hardware can use F5 and other devices, software generally use Apache to achieve. Here's how to use Apache. WebLogic load Balancing can be achieved by means of software and hardware. Hardware can use

do not need to install and manage these sections. Again, our service does not need to know the service registrar and the load balancer will help us. All requests through the complex equalizer will make him a bottleneck. When we use Docker swarm services, the server-side real service (producer services) registration is completely transparent to the developer. That is, our services do not know that they are running on server-side

consistency of content, can generally share data through the NFS network file system, But NFS does not perform well in busy business systems, with clustered file systems such as the GFS file system for Red Hat, the OCFS2 file system provided by Oracle, and so on.From the entire LVS structure can be seen, Director server is the core of the entire LVS, currently, the operating system for Director server can only be Linux and FreeBSD, The linux2.6 kernel can support the LVS feature without any set