f5 load balancer models

First, the problems encounteredWhen we deploy a Web application with an IIS server, when many users have high concurrent access, the client responds very slowly and the customer experience is poor, because when IIS accepts a client request, it creates a thread that consumes large memory when the thread reaches thousands of. At the same time, because these threads are switching, the CPU usage is also high, which makes IIS more difficult to perform. So how do we solve this problem? Second, how t

Apache HTTP Server is selected as the front-end Server Load balancer, and two Tomcat clusters are selected at the backend. The selected configuration method is session sticky (sticky session ), this method forwards requests from the same user to a specific Tomcat server to avoid session replication in the cluster. The disadvantage is that the user only communicates with one server, if the server is down, it

Some time recently, we started touching on load balancing, from hardware F5 to Citrix Netscalar. However, because the hardware configuration is not complicated, but the expensive price also makes the general user prohibitive (a hundred thousand of to hundreds of thousands of), so can only turn to nginx,squid this kind has the reverse proxy function software. Fortunately its settings are not very troublesome

HAProxy is a proxy software that provides high availability, server load balancer, and TCP and HTTP applications, HAProxy is a completely free proxy solution that provides TCP and HTTP applications quickly and reliably with HAProxy. HAProxy is applicable to websites with large loads. these sites usually need session persistence or layer-7 processing. HAProxy supports tens of thousands of concurrent connecti

html; index index.html index.htm; proxy_pass http://nginxDemo; #配置方向代理地址 }Such as:3. Start Nginx and Tomcat to accessI am a Windows system, so just double-click Nginx.exe in the nginx-1.10.1 directory.can be viewed in Task ManagerFinally enter the address in the browser: http://localhost:8080/nginxDemo/index.jsp, each visit will take turns to access Tomcat (if F5 refresh is not used, it is recommended to try to put the mouse point

I used nginx to implement the website load balancing test. In windows, IIS performs load measurement. If your website traffic (pv) is getting higher and higher, and one server is no longer able to withstand the traffic pressure, increase the number of WEB servers for load. Website load can be achieved by buying hardw

Ubuntu server 10.04, resin 3.1.10, nginx-0.7.65 Server Load balancer website Software and Hardware architecture Internet-> fire wall-> F5 Load balancer-> router-> Web servers (Ubuntu + nginx + resins)-> dB servers (Aix + Oracle)-> storage 1. Install Ubuntu Install it in vi

LVS's working mechanism and scheduling algorithm have been recorded in my previous articles. See hereThe working mechanism of LVS is similar to iptabls. Some work in the user space (ipvsadmin) and some work in the kernel space. user space: used to define some load balancing objects and policies, for example, load the persistent connection to port 80 of the TCP protocol, or

Some time recently, we started touching on load balancing, from hardware F5 to Citrix Netscalar. However, because the hardware configuration is not complicated, but the expensive price also makes the general user prohibitive (a hundred thousand of to hundreds of thousands of), so can only turn to nginx,squid this kind has the reverse proxy function software. Fortunately its settings are not very troublesome

Common open source software for load balancing: Nginx, LVS, keepalivedCommercial hardware load devices: F5, Netscale1, LB, LVS IntroductionLB cluster is a shorthand for the load balance cluster, and translation into Chinese is a loading balancing cluster;LVS is an open source software project that implements

DNS round robinDNS round robin refers to interpreting the same domain name to different IP addresses and randomly using a host technology. However, it has obvious disadvantages: Once a server fails, even if the DNS settings are modified in time, it still takes enough time (refresh time) to take effect. During this period, the client computer that saves the address of the faulty server cannot access the server normally. DNS load balancing uses a simple

LB cluster:The lb cluster is a shorthand for the load balance cluster, translated into Chinese. Common load Balancing open source software has Nginx, LVS, keepalived, commercial hardware load equipment F5, Netscale. LB Cluster Architecture:650) this.width=650; "src=" Http://s5.51cto.com/wyfs02/M02/78/2D/wKiom1Z3aBbiG0T