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F5 BIG-IP Local Traffic Manager (LTM) vs Fortinet FortiDDoS comparison

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Comparison Buyer's Guide

Executive Summary

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

F5 BIG-IP Local Traffic Man...
Average Rating
8.2
Reviews Sentiment
6.8
Number of Reviews
124
Ranking in other categories
Application Delivery Controllers (ADC) (1st)
Fortinet FortiDDoS
Average Rating
8.2
Reviews Sentiment
6.9
Number of Reviews
15
Ranking in other categories
Distributed Denial-of-Service (DDoS) Protection (15th)
 

Mindshare comparison

F5 BIG-IP Local Traffic Manager (LTM) and Fortinet FortiDDoS aren’t in the same category and serve different purposes. F5 BIG-IP Local Traffic Manager (LTM) is designed for Application Delivery Controllers (ADC) and holds a mindshare of 11.9%, down 15.9% compared to last year.
Fortinet FortiDDoS, on the other hand, focuses on Distributed Denial-of-Service (DDoS) Protection, holds 1.8% mindshare, down 2.6% since last year.
Application Delivery Controllers (ADC) Mindshare Distribution
ProductMindshare (%)
F5 BIG-IP Local Traffic Manager (LTM)11.9%
NetScaler11.3%
HAProxy8.1%
Other68.69999999999999%
Application Delivery Controllers (ADC)
Distributed Denial-of-Service (DDoS) Protection Mindshare Distribution
ProductMindshare (%)
Fortinet FortiDDoS1.8%
Cloudflare11.9%
Imperva Application Security Platform7.7%
Other78.6%
Distributed Denial-of-Service (DDoS) Protection
 

Featured Reviews

edshyaa - PeerSpot reviewer
Network Engineer at Stryker
Load balancing has improved traffic distribution and currently supports high availability upgrades
F5 BIG-IP Local Traffic Manager (LTM) offers effective load balancing methods that help distribute traffic across our servers, whether we have two or several. This load balancing feature stands out as it is the fundamental work we do with F5 BIG-IP Local Traffic Manager (LTM). While I recognize there are many features, such as iRules, which I have not explored yet, we primarily work on VIPs, pool members, and traffic distribution. The load balancing algorithms' flexibility makes them very useful for our team, enabling us to choose different servers and manage load effectively. We use various methods based on user or application requirements, making the algorithms set up by F5 in the backend quite helpful. F5 BIG-IP Local Traffic Manager (LTM) positively impacts our organization primarily through its load balancing capabilities. We avoid traffic overload on individual servers by placing backend servers behind F5 BIG-IP Local Traffic Manager (LTM) VIP. This load balancing helps us manage traffic effectively. Since the configuration of the I-series, we have had smooth performance, and with the recent migration to the R-series, it is working faster than before, providing positive outcomes for our operations. Since moving to the R-series, I notice improved performance; it is user-friendly and handles traffic efficiently. The upgrading process is different as we create tenants and a main host. R-series has better CPU and memory, leading to higher throughput with minimal downtime, making it a significant improvement over the I-series.
MO
IT Analyst at Evapco, Inc.
Reliable protection and smooth setup enhance company security
Currently, I have two firewalls, with one located in Sorocaba, model 90D, and the other in São Paulo, model 30D. They are connected by VPN. I use the firewalls for VPN and final protection for my company, and my equipment is maintained by an internet company called Multiprox The equipment works…

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"It is very stable; it's a pretty solid product, and our clients use it heavily for production and external-facing workloads that experience seasonal peaks."
"One of the most beneficial features of F5 BIG-IP Local Traffic Manager (LTM) is its ability to identify compromised traffic and its capabilities in authentication."
"If a company wants a good solution and has the money for it, I would recommend F5."
"If one server goes down, there is a seamless transition to the other one."
"Our experience has been very good, in terms of performance, and securing our application infrastructure."
"There were a lot of good features. The most beneficial for maintaining server health included the algorithms for the virtual IP, which segment traffic between servers, authentication profiles, and many other things."
"If I were to choose one key feature in particular, perhaps it would be the iRule feature. It’s a really versatile tool."
"In my experience, I have received excellent support from F5 for any technical issues that I or my customers have faced."
"The solution is very user-friendly and very easy to use."
"We have researched them all, and it's a good solution all around."
"The product's initial setup phase was really easy."
"It is a user-friendly product in terms of monitoring and updating policies."
"Packet inspection has been effective for mitigating DDoS attacks."
"The product allows the users to adjust the thresholds."
"I find the interface easy to use."
"I find this product the best on-premises (in-line) DDoS mitigation solution that suits my current and future requirements."
 

Cons

"For a future release, I would like to see more features in the cloud."
"My only point of contention would be that it is a little pricey."
"I'd like to see a more intuitive interface."
"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."
"In the LTM solution, it would be beneficial to have more algorithms for traffic segmentation or the ability to create user-defined algorithms rather than being restricted to predefined ones."
"They need to improve the interface and some of the functionalities."
"It is a hardware load balancer, and its installation procedure is more complex than a software load balancer. There are pros and cons of using hardware load balancing. You have to have specific hardware deployed in your data center to activate this load balancer. They never came up with any software-based load balancing solution. It is all hardware-based."
"The room for improvement is that the product is a little costly."
"Alerts and reporting features must be improved."
"The challenge lies within the customer environment, particularly in Brazil, where companies have stringent security requirements for implementing solutions."
"I would like to see analytics, big data."
"The web interface could be much better."
"The product’s pricing needs improvement."
"The primary area for improvement is the on-premises capacity limit, currently fixed at 10 GB."
"Earlier versions of firmware had bugs that limit my options."
"The solution can be a little more user-friendly and it can be more affordable."
 

Pricing and Cost Advice

"Compared to using open-source products, the prices are not cheap."
"If you are planning to use security features, better to go for strong hardware and the best bundle license, which is great for web security."
"Security should be involved in any base license. When you bring on F5, you only have default license. Then, the ASM product license has to be purchased. It would be great if F5 could include the ASM in the base license."
"The price is high."
"There are additional costs depending on what modules or what functionality is required."
"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."
"The price of F5 BIG-IP Local Traffic Manager (LTM) is too high."
"We purchased through the AWS Marketplace because it was a popular way to go, and we were intrigued. The price of this product is not an issue. They have good pricing and licensing."
"The product’s pricing needs improvement."
"It's quite pricey."
"The solution is reasonably priced."
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Top Industries

By visitors reading reviews
Financial Services Firm
14%
Outsourcing Company
13%
Construction Company
7%
Manufacturing Company
7%
Comms Service Provider
15%
Financial Services Firm
10%
Government
7%
Manufacturing Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business62
Midsize Enterprise32
Large Enterprise86
By reviewers
Company SizeCount
Small Business10
Large Enterprise6
 

Questions from the Community

What needs improvement with F5 BIG-IP?
F5 BIG-IP Local Traffic Manager (LTM) could improve file upload speeds when opening cases and attaching files; sometimes, downloading files like QKView takes time, depending on size. I expect faste...
What is your primary use case for F5 BIG-IP?
My main use case for F5 BIG-IP Local Traffic Manager (LTM) is placing our applications on F5 and the backend servers on the pool. We also regularly renew SSL certificates before they expire, usuall...
Which is the best DDoS protection solution for a big ISP for monitoring and mitigating?
Arbor would be the best bid, apart from Arbor, Palo Alto and Fortinet have good solutions. As this is an ISP, I would prefer Arbor.
What is your experience regarding pricing and costs for Fortinet FortiDDoS?
Fortinet FortiDDoS offers lower costs compared to other solutions. The licensing costs are annually renewed.
What needs improvement with Fortinet FortiDDoS?
There is a need for more features that protect personal information, especially given the PDP issue in Indonesia.
 

Also Known As

F5 BIG-IP, BIG-IP LTM, F5 ASM, Viprion, F5 BIG-IP Virtual Edition , Crescendo Networks Application Delivery Controller, BIG IP
Fortinet DDoS, FortiDDos
 

Overview

 

Sample Customers

Riken, TransUnion, Tepco Systems Administration, Daejeon University, G&T Bank, Danamon, CyberAgent Inc.
Black Gold Regional Schools, Amadeus Hospitality, Jefferson County, Chunghwa Telecom, City of Boroondara, Dimension Data
Find out what your peers are saying about F5, HAProxy, NetScaler and others in Application Delivery Controllers (ADC). Updated: September 2026.
914,109 professionals have used our research since 2012.