Citrix NetScaler vs F5 BIG-IP Local Traffic Manager (LTM) vs NGINX Plus comparison

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8,915 views|6,821 comparisons
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92% willing to recommend
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Executive Summary

We performed a comparison between Citrix NetScaler, F5 BIG-IP Local Traffic Manager (LTM), and NGINX Plus based on real PeerSpot user reviews.

Find out what your peers are saying about F5, Citrix, HAProxy and others in Application Delivery Controllers (ADC).
To learn more, read our detailed Application Delivery Controllers (ADC) Report (Updated: April 2024).
769,789 professionals have used our research since 2012.
Featured Review
Quotes From Members
We asked business professionals to review the solutions they use.
Here are some excerpts of what they said:
Pros
"I can turn on features without actually owning a license. I can test them out, I can use them for a while, and then I can be licensed up. That's awesome. I don't have to have a license immediately before I can start to deploy things rapidly, rapid deployment is a plus.""One of the most beneficial features for application delivery is its integration with Citrix Storefront, facilitating user logins and ensuring continuity during data center outages.""If you need PCI-compliance and have high security requirements, WAF is the most valuable feature. If you need to monitor your load-balancing services with complex types of monitoring, make sure everything is alright, and load balancing is important, Content Switching and Monitoring features are the keys to your needs. If you want to provide a lot of static images or data, the Caching feature works best for you.""The most valuable feature is the SSL VPN.""NetScaler Gateway: Why? Availability/Security: We delivered more than 200 applications thru Xenapp. This feature give us the possibility to deliver the applications anywhere. Currently, 30% of access is made through our NetScaler Gateway (Internet connections).""The GSLB feature allows us to move services between data centers. We can do this in either a planned or unplanned manner. We have experienced service provider outages at our primary data center and GSLB will kick in to automatically modify DNS records to point to a secondary data center (active/passive). We also make use of GeoIP information to point clients to the closest data center for accessing applications.""The solution improves security performance.""SSL Offload"

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"Initial setup was straightforward. We were up and running in three hours.""it has TCP LAN and WAN optimization features. It has has caching.""The iRule feature is very useful for inspecting HTTP. Sometimes, we use it for modifying the headers of the HTTP.""The detail that you have available when setting up iRules.""The solution has good load balancing capabilities.""One of the best features of the solution is the operating system.""It also has an AVR feature: application, visibility, and recording. It's good for customers looking for what is actually happening in their network and where the latency is.""It can determine if the system is going down, then route the traffic somewhere else."

More F5 BIG-IP Local Traffic Manager (LTM) Pros →

"The load balancing module, which is equivalent to LTM, is the focus of the PSE. So far, the features of both are identical. I believe NGINX has more features for securing these services, but in terms of load balancing, both are massive solutions.""The web proxy and the database proxy are excellent.""NGINX works much better than HAProxy in our current hardware and architecture for HTTP/HTTPS load balancing. ​​""I think installation only took a couple of minutes — no more than 10 minutes.""Using NGINX Plus for web traffic distribution is fantastic. It offers performance similar to physical load balancers but with added flexibility.""The most valuable feature of the solution is that it is simple to configure.""​Zero Downtime has always been a strength in recommending infrastructure web services. NGINX allows me to execute such infrastructure with less complications and the ability to switch from server to server easily.​""-"

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Cons
"Its GUI should be improved. Its CLI is powerful, but GUI needs more features.""ADC from Citrix has added functionalities from other products and the usability is very difficult for someone who is used to a simpler user interface, it's a little bit of a mess to use.""Currently, it is not easy to use the configuration capabilities of the product.""I will try to migrate all the tools to the cloud because there is more lab and more VPN scalability available in the cloud. It is not available on-premises.""Should offer more flexible cost-effective licensing for small to medium sized organizations.""Reducing the overhead required for AppFlow data collection, specifically for HDX Insight, would be a huge improvement.""Getting to use some of the advanced tools, even with the assistance of Citrix support, can be challenging.""We had some bugs in the previous firmware. These were not big issues, but more testing on the firmware would be key to happier customers."

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"We need best-practice information. They have something called DevCentral and a blog. But we want something from F5 itself regarding how to tackle the false-positive configurations. If you go into detail with so many configurations it will find so many false positives from the moment it is enabled that it will quickly impact your applications, and it will not work.""The analytics should provide insight into latency across various traffic routes and virtual servers.""I think the logging could be improved.""The solution could improve the documentation.""The solution could improve the ease of use, the management could be simplified. Other solutions are easier to use.""There are issues with F5 BIG-IP but they are minor issues not affecting production and services. Sometimes the operations and the facility systems fail. However, there is an alert action from the windows. An ordeal for the manager.""There is a need for a more modular version to concentrate on the current monolithic structure of both the virtual and hardware versions.""To improve the product, they could add more load balancing solutions in Kubernetes."

More F5 BIG-IP Local Traffic Manager (LTM) Cons →

"Our most challenging part was to run an older PHP website reverse-proxied through NGINX. That was not fun.""The biggest room for improvement would be to allow NGINX Core machines to cluster for memory zones in some way with a plug and play module. ​""NGINX is a very basic load balancer and cannot do as many customizations as F5.""NGINX Plus is moderately priced, but it could give better value for money.""The KPI should be more focused on load balancing and the latency in application calling from the end system.""I would suggest adding GUI-based configuration panels to NGINX Plus to simplify setup and management tasks.""Only improvement needed that I would point to is scalability. With it, I mean clusterized organisation on a low level. At the moment, the best alternative is RHEL HA.""The user interface could be improved."

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Pricing and Cost Advice
  • "It's not for startups or SOHO."
  • "Costly product and complicated licensing."
  • "It all depends on the features that will be used and the number of accesses."
  • "It is true that it is a bit pricey compared to newer technologies coming to the market. For example, A10 is a load balancer that does everything that Citrix can and it does a lot more than what NetScaler does when it comes to the security space, and their prices are so cheap. Every box comes with its own license and support built into it. When you compare that with NetScaler, you have to buy licenses separately, you have to buy a support agreement that is going to be separate. A small NetScaler, even if it is a VPX which is a virtual server, could cost you close to $150,000 to $200,000 dollars. So the pricing is really high."
  • "We have been evaluating F5, Citrix, and other ADC products. Citrix is the most expense of all of them."
  • "We are quite happy with price. It's not too high."
  • "I do not have any experience with the pricing of the product."
  • "You get the value for your money. There aren't any hidden fees."
  • More Citrix NetScaler Pricing and Cost Advice →

  • "Though functionality is high, its cost can be considered slightly higher than its competitors​."
  • "The licensing pricing seems relatively easy enough to get your head around. I would advise anyone to ensure that you have a conversation with an F5 consultant before purchasing, as you would with most products."
  • "Take a look at the modules that you are going to use. Look into the best bundles for them."
  • "The only area that has room for improvement would be pricing, so its competitors do not have a say."
  • "If your IT budget is good, go for it."
  • "This product is costly from a licensing perspective considering its competitors."
  • "Check other vendors like Cisco, Citrix or A10 Networks. There are plenty in the market with which you can achieve same thing."
  • "Great product for the money. But they can get really expensive, so get what meets your needs."
  • More F5 BIG-IP Local Traffic Manager (LTM) Pricing and Cost Advice →

  • "Nginx is free. I don't have experience with the Plus version."
  • "I am not so happy with their pricing policy, but this is not the worse thing in my life. I can tolerate it."
  • "​NGINX Plus is worth it, if you need it. If you do not need the features or support, the free and open source package is more than capable. ​"
  • "​NGINX is a free tool in Brazil. There are some companies which do support it.​"
  • "The price is the cost to contract support with a specialized company, usually during consulting hours.​"
  • "Compared to other similar solutions on the market, I think it's over-priced."
  • "You pay for each feature that you want."
  • "The list price of NGINX Plus is close to $5,500."
  • More NGINX Plus Pricing and Cost Advice →

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    Questions from the Community
    Top Answer:The most valuable feature for us is the application firewalling in Citrix NetScaler, ensuring only valid traffic enters… more »
    Top Answer:After deployment, Citrix Netscaler shifted to a subscription-based license scheme for support, which is slightly more… more »
    Top Answer:Citrix NetScaler is a robust product, but mastering it requires significant learning and training due to its complexity… more »
    Top Answer:The support from F5 BIG-IP LTM is good.
    Top Answer:There are a few licensing options available for F5 BIG-IP LTM. You can have a perpetual license which is a lifetime… more »
    Top Answer:The pricing must be more flexible. We get billed for firewalls based on the usage. It will be helpful if the solution… more »
    Top Answer:IIS is a flexible, secure, and manageable web server to host anything on the web. IIS’s scalable and open architecture… more »
    Top Answer:Using NGINX Plus for web traffic distribution is fantastic. It offers performance similar to physical load balancers but… more »
    Top Answer:The pricing of NGINX Plus is a bit steep compared to other options I have used. NGINX Plus licensing is annual or… more »
    Ranking
    Views
    8,915
    Comparisons
    6,821
    Reviews
    25
    Average Words per Review
    382
    Rating
    8.3
    Views
    10,290
    Comparisons
    8,518
    Reviews
    29
    Average Words per Review
    485
    Rating
    8.4
    Views
    6,235
    Comparisons
    5,010
    Reviews
    15
    Average Words per Review
    435
    Rating
    8.3
    Comparisons
    Also Known As
    Citrix ADC, NetScaler, Citrix NetScaler VPX
    F5 BIG-IP, BIG-IP LTM, F5 ASM, Viprion, F5 BIG-IP Virtual Edition , Crescendo Networks Application Delivery Controller, BIG IP
    NGINX
    Learn More
    Overview

    Citrix NetScaler is an application delivery controller (ADC) and load-balancing solution for multi-cloud environments. Because its software and hardware form factors are all built on a single code base, Citrix NetScaler provides operational and feature consistency with comprehensive security for monolithic and microservices-based applications on-premises and in the cloud. The solution is designed to optimize, manage, and secure network traffic. Switching features, security and protection features, and network integration efficiency capabilities are all part of its feature set.

    Citrix NetScaler Features

    Citrix NetScaler has many valuable key features. Some of the most useful ones include:

    • Citrix Gateway
    • Secure Access
    • Layer 7 content switching
    • Database load balancing
    • Triscale clustering
    • E-based policy enforcement
    • Surge protection and priority queuing
    • Application acceleration
    • Application security, including DoS attack defense, content rewriting and response control, SSL encryption, and more.
    • Network Integration

    Citrix NetScaler Benefits

    There are many benefits to implementing Citrix NetScaler. Some of the biggest advantages the solution offers include:

    • Improved Application Performance: Citrix NetScaler optimizes the delivery of applications, reducing latency and improving the user experience.
    • Scalability: The solution can scale to handle large amounts of traffic, ensuring that applications are available even during periods of high demand.
    • Advanced Security: Citrix NetScaler includes a range of security features, such as SSL offloading, to help secure applications and protect against threats.
    • Availability: Load balancing and failover capabilities ensure that applications are always available, even in the event of a failure.
    • Good user experience: The solution’s Global Server Load Balancing (GSLB) ensures that users are directed to the nearest available application, reducing latency and improving the user experience.
    • Reduced costs: By improving application performance and reducing downtime, Citrix NetScaler can help organizations reduce costs associated with application delivery.
    • Agility: Citrix NetScaler makes it easier for organizations to deploy and manage applications, helping to increase the speed and efficiency of IT operations.
    • Analytics and monitoring: Provides insight into network and application performance, helping organizations to identify and resolve issues quickly.

    Reviews from Real Users

    Citrix NetScaler is a solution that stands out when compared to many of its competitors. Some of its major advantages are that it is easy to use, is robust, and has good load balancing.

    A Senior Citrix Engineer at Troye, says, “The web application firewalling component is probably the most powerful feature as it can identify attacks on the network at an application level which is quite important. There is also good functionality where we use IP reputation and geofencing to mitigate threats from the outside world.”

    “The feature that I have found most valuable is its load balancing,” explains a Security Consultant at a tech services company.

    Timur G., Team Head of Network Security at DOM.RF, writes, “The most valuable feature of Citrix ADC is its ease of use.” 

    Another PeerSpot reviewer, Nirav S., Technical Solutions Architect at MindTree, mentions, "Compared to other solutions, Citrix ADC is much more robust in terms of the native integration to cloud platforms. It is far more robust from an operational point of view as well."

    F5 BIG-IP LTM optimizes the speed and reliability of your apps via both network and application layers. Using real-time protocol and traffic management decisions based on app and server and connection management conditions, and TCP and content offloading, BIG-IP LTM dramatically improves application and infrastructure responsiveness. BIG-IP LTM's architecture includes protocol awareness to control traffic for the most important applications. BIG-IP LTM tracks the dynamic performance levels of servers and delivers SSL performance and visibility for inbound and outbound traffic, to protect the user experience by encrypting everything from the client to the server.

    BIG-IP LTM provides enterprise-class Application Delivery Controller (ADC). You get granular layer 7 control, SSL offloading and acceleration capabilities, and advanced scaling technologies that deliver performance and reliability on-demand. The highly optimized TCP/IP stack combines TCP/IP techniques and improvements in the latest RFCs with extensions to minimize the effect of congestion and packet loss and recovery. Independent testing tools and customer experiences show LTM's TCP stack delivers up to a 2x performance gain for users and a 4x increase in bandwidth efficiency.

    NGINX Plus is a versatile solution that offers load balancing, caching, proxying, and API deployment capabilities. It can be deployed on private or public clouds and is ideal for building CDN solutions. The solution can also be used to secure web applications and replace web services like Apache. 

    NGINX has helped organizations improve functioning, reduce downtimes, and offer a DevOps-friendly solution. Its community support and documentation are highly regarded, and its configuration is more straightforward, making it a recommended choice over HAProxy.

    Sample Customers
    ABB Schweiz, Aer Lingus, AIDS Healthcare Foundation, Amnet Technology Solutions, Aramex International, Ascenty, Atos, Autodesk
    Riken, TransUnion, Tepco Systems Administration, Daejeon University, G&T Bank, Danamon, CyberAgent Inc.
    Locaweb, AppNexus, Wix, Reliam, Montana Interactive, MuleSoft, Warpwire, Discovery Education, InkaBinka, WordPress.com, Gogo, GOV.UK, NASA
    Top Industries
    REVIEWERS
    Computer Software Company26%
    Financial Services Firm15%
    Manufacturing Company11%
    Healthcare Company8%
    VISITORS READING REVIEWS
    Computer Software Company15%
    Financial Services Firm13%
    Government9%
    Healthcare Company5%
    REVIEWERS
    Comms Service Provider20%
    Financial Services Firm15%
    Computer Software Company15%
    Media Company6%
    VISITORS READING REVIEWS
    Financial Services Firm17%
    Computer Software Company15%
    Government9%
    Comms Service Provider7%
    REVIEWERS
    Computer Software Company31%
    Comms Service Provider23%
    Energy/Utilities Company15%
    Media Company8%
    VISITORS READING REVIEWS
    Computer Software Company16%
    Financial Services Firm14%
    Comms Service Provider10%
    Government7%
    Company Size
    REVIEWERS
    Small Business36%
    Midsize Enterprise18%
    Large Enterprise45%
    VISITORS READING REVIEWS
    Small Business22%
    Midsize Enterprise15%
    Large Enterprise63%
    REVIEWERS
    Small Business33%
    Midsize Enterprise17%
    Large Enterprise50%
    VISITORS READING REVIEWS
    Small Business19%
    Midsize Enterprise13%
    Large Enterprise68%
    REVIEWERS
    Small Business58%
    Midsize Enterprise4%
    Large Enterprise38%
    VISITORS READING REVIEWS
    Small Business22%
    Midsize Enterprise17%
    Large Enterprise61%
    Buyer's Guide
    Application Delivery Controllers (ADC)
    April 2024
    Find out what your peers are saying about F5, Citrix, HAProxy and others in Application Delivery Controllers (ADC). Updated: April 2024.
    769,789 professionals have used our research since 2012.