A10 Networks Thunder ADC vs Citrix NetScaler vs F5 BIG-IP Local Traffic Manager (LTM) comparison

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A10 Networks Logo
3,464 views|2,405 comparisons
89% willing to recommend
Citrix Logo
8,953 views|6,844 comparisons
91% willing to recommend
F5 Logo
10,469 views|8,686 comparisons
83% willing to recommend
Comparison Buyer's Guide
Executive Summary

We performed a comparison between A10 Networks Thunder ADC, Citrix NetScaler, and F5 BIG-IP Local Traffic Manager (LTM) 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).
768,246 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
"A10 Networks Thunder ADC is an easy-to-use and flexible solution.""We have two appliances and I'm able to move my application from one appliance to another. I don't have to move my whole A10 to be active on the other side or to be passive on the other side. If an application is having a problem, I can just move it using a command.""The solution is flexible.""For the past two and a half years, we have not had a need to open a tech support ticket. It is really stable. In the past, our experience with tech support was that they were extremely helpful.""A lot of our SSL management is done on the front-end side, so there is one pane of glass for a lot of our security certificates. It gives us visibility. It also falls under when certificates are going to expire. Even for servers that are coming down, we can see how that affects the traffic flow by using the services map.""The solution is user-friendly and the CLA troubleshooting is easier compared to other solutions.""We do have the option of creating virtual chassis, so that gives it a bit more security. If we find an application which is not going to play well in the main pool, we can easily create a virtual chassis and have that application in that virtual chassis. With the virtual chassis we can also create system partitions and have a test system for test applications, and have the others elsewhere.""Feature-wise, A10 Networks Thunder ADC is better for troubleshooting...Stability-wise, I rate the solution a nine out of ten."

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"The most valuable feature of Citrix ADC is its ease of use.""My customers have told me that the performance of this solution is good.""The most valuable features of Citrix ADC are load balancing and application firewall.""Citrix NetScaler offers robust security features, including SmartAccess and customizable policies, making it a reliable choice for safeguarding user data.""The load balancing feature of this solution is very good.""The best feature of Citrix is its track record of stability in its features.""The solution improves security performance.""Its flexibility, agility, and robustness are the most valuable. Its management and implementation are also quite easy."

More Citrix NetScaler Pros →

"It can determine if the system is going down, then route the traffic somewhere else.""I have found F5 BIG-IP Local Traffic Manager (LTM) to be stable.""I have Big-IP change and control manager, which give me the roll back option. Therefore, I can view the last things which happened on the device.""The load balancing function, the monitors that you can create, and iRules programmability are most valuable.""Along with load balancing, we perform a lot of packet inspections, URL rewriting, and SSL interceptions via iRule.""The most valuable feature is the F5 LTM (Local Traffic Manager). This is the part of the product most organisations will be using most. It provides the core functionality to be able to load balance services and the means and the intelligence to be able to load balance based on advanced logic, e.g., TCL scripting.""Secure and scalable traffic management solution for applications. Good for bigger environments.""In terms of stability, it is stable."

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

Cons
"The solution should add automation features in the next release.""They need to make the user interface (GUI) a bit more usable and intuitive. Some features can be a little difficult to find at times. Sometimes, the workflow in the GUI doesn't match the workflow of an actual workflow. E.g., if I want to create a load balancer application, sometimes you've got to do things a bit out of order in the GUI in order to make it work right.""Currently, the solution's WAF features are fewer. They should consider increasing their WAF features.""A graphical dashboard for analyzing performance is needed.""There is two-factor authentication built-in, but it could be more robust.""The setup depends on certain situations. In certain scenarios, it may be more complex than others. For example, while the initial configuration may be easy, the environment itself may be complex and that may limit the ease of deployment. It is easy for those who understand their environment.""The costs can be quite high.""The tool's load-balancing feature should improve."

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"The technical support could be better. Whenever I contacted support, I rarely got the solution that we needed. And most of the time, I finished fixing the problem by looking on the internet or by finding documents about the problem on Google.""The technical support has room for improvement.""Currently, the support team's responsiveness is lacking, and the technical personnel on calls often seem unfamiliar with the issues or inadequately trained.""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.""We face challenges with the solution's firmware upgrades frequently.""They can improve the scalability and the multi-tenancy feature. We recently tried to configure an authentication, and we ran into some issues while using the web-based GUI. It was very slow when you log in with your credentials in the web-based GUI. Each time we clicked on the menu, it tried to do the authentication. It works properly in the console.""The solution is a bit more expensive than some of the available solutions in this region. One solution in particular that I noticed was cheaper was Kemp.""The GUI should be improved."

More Citrix NetScaler Cons →

"Its GUI could be a bit better. Other than that, it's already pretty good. We don't use it in a high-performance environment. So, we don't really care so much about too many features.""There is room for improvement in the user interface.""An expensive solution for the minimal features we use.""In terms of native integrations, there is a lot of instability. Also, integration is not robust with F5.""A lot of functions that are attributed to iRules can actually be simple profile changes. iRules do have a certain performance impact. Therefore, instead of writing simple iRules, they can create certain profiles for classes that will perform the same function.""I would like them to expand load balancing, being able to go across multiple regions to on-premise and into the cloud. This could use improvement, as it is sometimes a little cumbersome.""The SharePoint SSO part has some room for improvement.""Technical support is somewhat slow and could be improved."

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

Pricing and Cost Advice
  • "The pricing is a third of the price of the F5 competition."
  • "One of the main reasons for switching away from Cisco was the licensing model. A10 gives you global server load balancing for free, while Cisco charged a significant licensing fee for that."
  • "For the hardware and license, we paid $35,000 per box, which was a one-time cost. Then, for the Gold Support on the two boxes, we pay $9400 annually."
  • "It is $7000 per unit for the support annually."
  • "We previously had F5 and switched because of costs."
  • "There were budgetary constraints that keep us from investing in the single pane of glass traffic management feature. We saw a demo of this feature about a year to a year and a half ago."
  • "As for the initial investment in the hardware, F5 and A10 are quite similar now. For the current A10 solution, the initial cost was about $36,000. As for annual support, the F5 solution would be between $10,000 and $12,000, while the A10 is $2,200 a year for support."
  • "You get a lot more for your dollar with A10."
  • More A10 Networks Thunder ADC 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 →

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    Questions from the Community
    Top Answer:I would recommend A10 Networks due that it delivers high performance in a small form factor to reduce OPEX with… more »
    Top Answer:I do recommend A10 Networks Thunder ADC. It's very user-friendly, easy to configure, and flexible. It is a very useful… more »
    Top Answer:A10 Networks Thunder ADC is an easy-to-use and flexible solution.
    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 »
    Ranking
    Views
    3,464
    Comparisons
    2,405
    Reviews
    4
    Average Words per Review
    301
    Rating
    8.0
    Views
    8,953
    Comparisons
    6,844
    Reviews
    26
    Average Words per Review
    384
    Rating
    8.3
    Views
    10,469
    Comparisons
    8,686
    Reviews
    29
    Average Words per Review
    485
    Rating
    8.4
    Comparisons
    Also Known As
    Thunder ADC, AX Series
    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
    Learn More
    Overview

    A10 Networks Thunder ADC is a dynamic application delivery controller and advanced load balancer. Thunder ADC is a value-added solution provided by A10 Networks specializing in robust, trusted, scalable application services for cloud, hybrid, edge cloud, and on-premise environments focused on improving business processes and keeping infrastructures safe. The solution consistently provides server availability, improves content delivery, and protects at-risk applications. A10 Networks Thunder ADC easily controls hybrid and multi-cloud deployments using a Polynimbus strategy to minimize difficulties and costs for IT processes, facilitating overall improved business results.

    A10 Networks Thunder ADC is effective for small to medium businesses (SMBs) to large enterprises. Service providers and cloud operators are all using A10 Network ADC to manage their large and fast-growing group of business-critical applications.

    A10 Networks Thunder ADC supplies L4-7 load balancing with numerous layers of security using DNS and web app firewalls, comprehensive support for advanced encryption, single sign-on (SSO) authentication, and high-performance Perfect Forward Secrecy and Error Correction Code (PFS/ECC). Thunder ADC is designed upon A10 Networks Advanced Core Operating System (ACOS®) platform to provide consistent, efficient application performance and trusted security for any environment.

    A10 Networks Thunder ADC Benefits

    • Consistently accessible: A10 Networks Thunder ADC employs numerous load balancing protocols to evenly distribute workloads to all servers and works to ensure constant application functionality. User requests are monitored to ensure loads are directed to the appropriate server so that there is always a proper response delivery to content. This process ensures the applications are consistently available.

    • Global Server Load Balancing (GSLB): To ensure business processes are fully optimized at all times, A10 Networks Thunder ADC employs a dynamic Global Server Load Balancing (GSLB) process to augment server load balancing capabilities throughout global data centers for high availability and improved user experience and application tolerance.

    • Fast content delivery: A10 Networks Thunder ADC conquers the general WAN latencies, chatty policies, and redundant software programs to ensure quick and responsive service. Employees receive a fast, excellent end-user experience while the organization's business leaders get exceeded SLA mandates and increased productivity with teams working remotely and a step up on the competition.

    A10 Networks Thunder ADC Features

    • Detailed Analytics: When deployed with A10 Networks Harmony Controller, Thunder ADC delivers a large selection of detailed aggregate and per-request reports in real time. The reports include popular URLs, error and health indicators, latencies, and end-to-end response times. The data is further dissected to deliver per-app reporting, availability alerts, and performance.

    • API Coverage: Thunder ADC utilizes A10 Networks REST-based aXAPIs to structure all features with 100 percent API coverage. The resulting interface is then used to seamlessly integrate custom or third-party management solutions, such as VMware or other SDN platforms, OpenStack, Microsoft SCVMM, or other cloud orchestration systems. There are also software plug-ins available for private clouds utilizing VMware’s vRealize Orchestrator.

    • Comprehensive Management Controls: Thunder ADC is fully supported by A10 Networks Harmony Controller and can be deployed in software or as a software-as-a-service (SaaS). This controller functions as a native management platform that organizes and distributes application-centric service protocols and configuration data to numerous Thunder appliances and device cluster infrastructures throughout numerous multi-cloud environments. Users can instantly identify, audit and track every appliance using critical operational metrics, such as CPU, disk usage, device partitions, and end users. The A10 Networks Harmony Controller will also complete configuration backups and restore operations, and will schedule regular software upgrades.

    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.

    Sample Customers
    123inkt.nl, Bentley University, Box, Brainshark, Buienradar, Capgemini, CGN/LSN & NAT64, Chengdu Telecom, Club One, Code Ready, CRC Health Group, Cyso, Deutsche Telekom, Earth Class Mail, Excite, FFF Enterprises, Florence County, Framingham State University, From30
    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.
    Top Industries
    REVIEWERS
    University20%
    Financial Services Firm13%
    Comms Service Provider13%
    Computer Software Company7%
    VISITORS READING REVIEWS
    Computer Software Company19%
    Financial Services Firm11%
    Comms Service Provider8%
    University6%
    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 Company14%
    Government9%
    Comms Service Provider7%
    Company Size
    REVIEWERS
    Small Business27%
    Midsize Enterprise23%
    Large Enterprise50%
    VISITORS READING REVIEWS
    Small Business23%
    Midsize Enterprise15%
    Large Enterprise62%
    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 Business18%
    Midsize Enterprise14%
    Large Enterprise68%
    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.
    768,246 professionals have used our research since 2012.