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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 11.6%, down 16.1% compared to last year.
Fortinet FortiDDoS, on the other hand, focuses on Distributed Denial-of-Service (DDoS) Protection, holds 2.0% mindshare, down 2.5% since last year.
Application Delivery Controllers (ADC) Mindshare Distribution
ProductMindshare (%)
F5 BIG-IP Local Traffic Manager (LTM)11.6%
NetScaler11.6%
HAProxy8.3%
Other68.5%
Application Delivery Controllers (ADC)
Distributed Denial-of-Service (DDoS) Protection Mindshare Distribution
ProductMindshare (%)
Fortinet FortiDDoS2.0%
Cloudflare11.7%
Imperva Application Security Platform7.6%
Other78.7%
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

"iRules are very valuable. In addition to that, the way profiles are depicted by the LTM is also very good."
"BIG-IP LTM is completely stable, and its performance is good."
"ASM for WAF."
"The initial setup is easy."
"The most valuable feature is the proxy."
"The application firewall is a very good feature."
"One of the greatest things about F5 Load Balancer is that it provides additional capability for handling huge workloads and routing them to an SAP or non-SAP application. It is capable of supporting a large amount of user workload and application connectivity workload. This was the main reason why we chose F5."
"Our experience has been a positive one."
"Among its key features: Detects and mitigates DDoS attacks at L3 to L7; negligible to zero false-positives; Generates and sends reports without the need for an expensive third-party solution."
"We've been completely satisfied with the product."
"The pricing of this solution is better than that of Cisco and other software on the market, which are very expensive."
"We use it to protect our users and their data."
"The most valuable feature is the cloud DDoS scrubbing capability."
"We have researched them all, and it's a good solution all around."
"Packet inspection has been effective for mitigating DDoS attacks."
"I find this product the best on-premises (in-line) DDoS mitigation solution that suits my current and future requirements."
 

Cons

"Currently, the product offers everything we need. I can't recall any features that may be lacking."
"I have encountered an issue with technical support; not all the time, but a few times we have observed that we have not received proper support or on-time support, and sometimes the person assisting us is not properly skilled, but we have only observed this issue very few times."
"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."
"It would be good to have better traffic and better data. It would be nice to have more granularity to see packets in terms of the header details, the analytics, etc. It would be nice if that was also part of it and to have analytics added to the traffic."
"There is a challenge in Pakistan. This is when there is a hardware failure."
"For a future release, I would like to see more features in the cloud."
"The license terms for "non-commercial" will are challenging for us."
"I would like to see improvement in the manageability and easier setup."
"I would like to see analytics, big data."
"Technical support isn't too good with Fortinet. They could be more responsive and helpful overall."
"There aren't really any aspects of the solution we are unhappy with. It's been a positive experience overall."
"All those thresholds that need to be configured should be included in the default so that user will not forget or misconfigure."
"The challenge lies within the customer environment, particularly in Brazil, where companies have stringent security requirements for implementing solutions."
"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."
"The tool needs to focus more on the area of application traffic management, where it currently has some shortcomings."
 

Pricing and Cost Advice

"Compared to using open-source products, the prices are not cheap."
"It's fair, it's not too expensive. Maybe just a little high."
"The price is high."
"It is the best solution, but that comes with an increased price."
"Purchasing through the AWS Marketplace was very simple. The main reason that we went this way was the simplicity of buying it there. It is maintained and upgraded for us, and this makes it easy to stay current."
"I would recommend that the cost be lowered."
"The price is little bit on higher side compared to the cost of NGINX."
"I use a yearly subscription, which is the most expensive one now compared to its competitors."
"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
12%
Manufacturing Company
8%
Construction Company
7%
Comms Service Provider
12%
Financial Services Firm
11%
Government
8%
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: October 2026.
917,433 professionals have used our research since 2012.