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Tag: load balancing

NGINX Load Balancing Deployment Scenarios

We are increasingly seeing NGINX Plus used as a load balancer or application delivery controller (ADC) in a number of deployment scenarios and this post describes some of the most common ones. We discuss why customers are using the different deployment scenarios, some things to consider when using each scenario, and some likely migration paths from one to another.

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Five Reasons to Use a Software Load Balancer

Update – We have new and updated information about the advantages of software load balancers over hardware ADCs. Please see our updated blog post on switching to software load balancing, download our new ebook, and check out our test results comparing NGINX Plus vs. F5’s BIG‑IP and NGINX Plus vs. Citrix Netscaler. For many data‑center administrators, deploying software to manage traffic goes firmly against everything they've learned. Having learned their trade in the data center, they measure everything by its hardware specifications – cost per port, mean time between failures, on‑site replacement – and anything that can't be measured in those terms just does not compute! For a long time, load balancing was no different. It was the preserve of the data‑center or network administrator, who was responsible for the successful delivery of IP packets to the correct server, informed by health checks and response times. Packets per second, throughput, and SYN protection were the metrics that load balancers were measured on.

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Announcing NGINX Plus Release 4

Today (July 24th) marks the completion of our last three months’ development and the release of NGINX Plus Release 4 (R4). NGINX Plus R4 brings together the features recently released in our open source branch with a number of commercial‑only features into a fully tested and supported release. End‑to‑End Security Certificate validation and SNI support for upstreams improves the security of…

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Reverse Proxy Using NGINX Plus

NGINX has gained justifiable fame as a very high‑performance web server. I think many people realize that NGINX can also be used as a reverse proxy, but they might not be aware of just what a powerful reverse proxy it is. What Is a Reverse Proxy? Let's start by taking a step back and asking,…

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Load Balancing with NGINX and NGINX Plus, Part 2

In Load Balancing with NGINX and NGINX Plus, Part 1, we set up a simple HTTP proxy to load balance traffic across several web servers. In this article, we'll look at additional features, some of them available in NGINX Plus: performance optimization with keepalives, health checks, session persistence, redirects, and content rewriting. For details of the load‑balancing features in NGINX and…

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HTTP Keepalive Connections and Web Performance

Have you ever benchmarked a server in the lab and then deployed it for real traffic, only to find that it can’t achieve anything close to the benchmark performance? CPU utilization is low and there are plenty of free resources, but clients complain of slow response times and you can’t figure out how to get better…

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Load Balancing with NGINX and NGINX Plus, Part 1

NGINX is a capable accelerating proxy for a wide range of HTTP‑based applications. Its caching, HTTP connection processing, and offload significantly increase application performance, particularly during periods of high load. Editor – NGINX Plus Release 5 and later can also load balance TCP-based applications. TCP load balancing was significantly extended in Release 6 by the addition of health checks,…

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