Barracuda Load Balancer ADC vs. NGINX

For an important high availability website such as for email, this is a great solution. However, it does in a way, create it's own single point of failure in that if it goes down all the web servers it services are no longer available but there are ways around that rather than just spending more on a secondary unit. There are probably less expensive units or DNS methods you could use for less critical web sites you are trying to maintain. But for exchange and multiple website support with excellent reliability and support, this is a good solution.

Incentivized

Nginx is well suited for serving any static content - whether that be images, JS files, HTML files, CSS files, videos, etc. If you have a high-traffic website, Nginx will be a great fit because it handles large number of requests extremely efficiently. Nginx has full support on Unix systems, but only has limited support on Microsoft Windows machines.

Incentivized

• Individualized services
• Basic load balancing
• Logging and reporting

Incentivized

• Straight-forward configuration format that users of all skill levels can learn, and yet is powerful enough for the huge breadth of features that Nginx provides.
• Massive scale right out the box. We've never had a Nginx instance overwhelmed by requests, and if we did it would be trivial to spin up more Nginx instances to handle the load.
• SSL termination means that we can deliver content over HTTPS without needing our individual services to require TLS support. This saves us a lot of time and headache while keeping us secure.
• Nginx is open-source and free, meaning that anyone can use it to power their services, from individual projects to billion-dollar websites.

Incentivized

• The configuration settings are relatively granular, but instructions often only list the necessary fields, so if you need some custom settings it can be a little hunt and find what you need.
• Their support knowledge base page has instructions, but it can be difficult to navigate. There are different versions for different generations of both the barracuda devices and also the connecting software. (looking for setting up the Microsoft Exchange Load balancing can get you different instructions for each level of load balancer and also each version of Exchange).
• The internal logging review screens and settings can take a while to get used to how it is structured. It can also take a few tries to configure the service logging to get the type of information you'd like.

Incentivized

• Nginx often requires some initial configuration. It's worth doing, because you'll end up with great results, but it can be slightly daunting for someone to get started using it. Apache might have a leg up in that regard--When you install Apache, typically it's just about ready to do what you want already. But the issue with Apache is that most people skip the extensive tuning phase required after that, and with nginx it becomes more just a part of the configuration process.
• Sometimes, the configuration syntax, even though it's powerful and terse, isn't the most intuitive. Luckily there's plenty of documentation about what things mean and how to accomplish certain things. There may not be much that can be done about this--to have a powerful web server, you need a powerful-enough configuration language.
• The nginx brand is somewhat fragmented, and it can be confusing. There's the open source nginx web server, which I've primarily been referring to. But then there's NGINX Plus, a premium subscription-based service which works with a range of other NGINX products (NGINX WAF, NGINX Amplify, NGINX Controller). I've met a number of people who weren't very familiar with nginx, and instinctively went to nginx.com first, and from there it seems like everything costs money. It's only when they realize there's a different site, nginx.org, that they find what they went looking for.

Incentivized

It is a product we plan on continuing to use.

Incentivized

Great value for the product

Incentivized

It is fairly easy to learn after support helps you set it up and shows you how things work. Which they will do.

Incentivized

Front end proxy and reverse proxy of Nginx is always useful. I always prefer to Nginx in overall usability when you have application server and database or multiple application servers and single database i.e. clustered application. Nginx provides really good features and flexibility which helps the system administrator in case of troubleshooting and also from the administration perspective. Also, Nginx doesn't delay any request because of internal performance issues.

Incentivized

Barracuda, in general, has very responsive and high-quality support. It's fantastic to be able to get someone on the phone quickly when you need help or a fast call back. With instant replacement, you can feel assured that in the case of a complete failure, you will have a new unit with configuration intact within a day or two. One of the best for support in my experience.

Incentivized

Community support is great, and they've also had a presence at conferences. Overall, there is no shortage of documentation and community support. We're currently using it to serve up some WordPress sites, and configuring NGINX for this purpose is well documented.

Incentivized

We also had looked at Kemp and F5. The Kemp and F5 had a lot of horsepower and advanced configuration and functionality. When we looked at our workload and how we were planning on using the load balancers, we really didn't need all those extra bells and whistles. Barracuda provided all the standard functionality we needed and were looking for and did so at a greatly reduced price point.

Incentivized

I have found that [NGINX] seems to perform better throughout the years with less issues although I've used Apache more. I would definitely recommend [NGINX] for any high volume site and I've seen this to usually be the case from most provided web hosts who will pick [NGINX] over alternatives

Incentivized

• It was a prerequisite for moving to Microsoft Exchange 2016, which requires a load balancer solution as part of the design. So, it allowed us to move forward with that upgrade. Having it to load balance VDI sessions is a bonus.

Incentivized

• When we first migrated our primary bidding environment architecture to Nginx, it was under duress due to Apache's inability to keep up when we consolidated away from an HAproxy model to a central HTTP proxy. So we even when we did not know what we were doing, we were able to make it work in a bad situation, and everyone was quite happy.
• The biggest complaint I have is that I find the module compilation requirements for nginx+ rather burdensome. If we pay for Nginx+, I'd love to see then have pre-built modules for ready for each release of more modules. We are spending our own time engineering an in-house solution for module testing for nginx+ releases, which is disappointing.
• I've also, as the primary Nginx person at my organization, inserted my expertise into other projects, and have saved our company lots of money getting rid of big $$$ appliances for general SSL proxying.
• Speaking of Nginx replacing SSL appliances, we had an instance where we had to suddenly enable elliptic-curve SSL ciphers and our big $$$ appliances (you know who they are), were falling over. Even their SSL accelerator cards, after all, are just a few extra cores to process SSL. But in an environment of our size, we use DNS to spread the load to hundreds of frontend proxies with dozens of cores each to spread this load out, all at a lower price than ONE of the appliance pairs running Nginx. We couldn't even tell the change in load in our Nginx architecture when we enabled the ciphers.