The Barracuda Load Balancer ADC is a Secure Application Delivery Controller that enables Application Availability, Acceleration and Control, while providing Application Security Capabilities.
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NetScaler ADC
Score 8.1 out of 10
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NetScaler ADC is an application delivery controller.
Other products such as the Barracuda Load Balancer and NGINX Plus were considered, but not tested. Since our group uses other Citrix solutions, we wanted to go with a unified and integrated approach.
Barracuda is an inexpensive solution for load balancing web traffic of all kinds and works as a reverse proxy if you need one. It is efficient and has been a very stable solution. If you need extremely granular configuration for your load balancing traffic, then you may need to go with one of the bigger brands. Barracuda will more than handle regular small and medium business use and do so at a greatly reduced price point.
Citrix Netscaler can be a powerful network appliance for environments that are fully committed and open to utilizing a network appliance that isn't made by a traditional network vendor. Administrator user experience has improved over the years and will continue to improve with the flexibility of virtual and physical appliances available for medium and large enterprises.
Flexibility. NetScaler assumes its admins know a bit about networking and in-depth details surrounding the applications they are configuring access for/to. This being so, the range of configuration options is very broad allowing various versions' combinations of protocol patterns, expressions, rules etc., all to the benefit of the admin.
Granularity. Having such a broad range of configuration options available, while still allowing simple options to be configured simply. The GUI is well-stylized and navigation has a good flow.
Ease of control. For load-balancing of simple services right out of the box, NetScaler makes it pretty easy, compared to the range of options available in the surrounding GUI and under the hood.
The documentation could use an overhaul with specific examples related to the command line as well as GUI. Explanations in the documentation would also be helpful.
Being able to have more than just one routing table would allow the ability to leverage security.
Improve on the specifics I mentioned previously and could be a 10/10 product. It is also a confusingly branded product that I have supported in two large enterprises where IT departments are unsure if the product belongs to the Citrix remote access support team or the Network infrastructure support team (it should be the later) and typically under utilized.
Overall, our organization's experience with Citrix support is that support can be hit or miss. Oftentimes it takes multiple attempts and much longer than desirable to obtain a viable solution for issues experienced with their products. It would be great to see Citrix invest time, effort, and almighty dollars into improving their support and bug fix process across the board.
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.
We chose Citrix ADC over Kemp and F5 due to additional integrations with various products such as Citrix/Horizon/Monitoring tools. We additionally chose ADC due to better ease of use and ability to have the appliances be virtual or physical, with the configuration being a simple migration of code which provided flexibility to be able to do a hybrid environment with ease.
