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A10 Thunder TPS vs Fastly comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Dec 5, 2024

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

Cloudflare
Sponsored
Ranking in Distributed Denial-of-Service (DDoS) Protection
1st
Average Rating
8.6
Reviews Sentiment
7.1
Number of Reviews
76
Ranking in other categories
CDN (1st), Managed DNS (1st), Cloud Security Posture Management (CSPM) (13th)
A10 Thunder TPS
Ranking in Distributed Denial-of-Service (DDoS) Protection
15th
Average Rating
8.6
Reviews Sentiment
7.0
Number of Reviews
15
Ranking in other categories
No ranking in other categories
Fastly
Ranking in Distributed Denial-of-Service (DDoS) Protection
13th
Average Rating
8.8
Reviews Sentiment
6.6
Number of Reviews
8
Ranking in other categories
CDN (8th), Web Application Firewall (WAF) (19th)
 

Mindshare comparison

As of August 2025, in the Distributed Denial-of-Service (DDoS) Protection category, the mindshare of Cloudflare is 19.7%, up from 18.9% compared to the previous year. The mindshare of A10 Thunder TPS is 2.0%, up from 1.5% compared to the previous year. The mindshare of Fastly is 2.4%, up from 1.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Distributed Denial-of-Service (DDoS) Protection
 

Featured Reviews

Carlos Alam Hernandez Baruch - PeerSpot reviewer
Fast and secure deployments simplify operations for government and fintech clients
It is a fast and secure DNS. It is very easy to deploy, and my customers are happy with this tool. Additionally, the CDN performance in Mexico is excellent, providing fast service and tools. It offers reliability during high-traffic periods, ensuring no impact on the environment. It helps my clients avoid using on-premise boxes, simplifying operations as they only use the prices on Cloudflare.
David Mello - PeerSpot reviewer
A highly stable solution that can be used for load balancing
We contacted the solution's technical support to maintain and exchange the power supply. A few versions ago, we had some CPU and memory problems. We just started the appliance, and it was already on 70% of CPU usage. We first contacted our reseller in Brazil and then escalated the issue to A10 Thunder TPS support. The reseller in Brazil was a little slow, but the A10 Thunder TPS support was fast.
Nick Wilsdon - PeerSpot reviewer
An easily scalable and stable product that provides exceptional support
The product should provide improved bot detection and management. The product should also provide support for code management. Everybody working in CDN is currently looking for ways to better manage code deployment with various authorization levels and synchronization with our lower environments. Matching up what's happening in CDN with what's happening on the origin regarding testing would always be useful.

Quotes from Members

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

Pros

"The most valuable features of the solution are performance and security."
"We're using dynamic components to build flexible pages to create and manage Git merge requests for code and reviews."
"The solution is very good at mitigating threats."
"Even when there is a high load on our servers, Cloudflare is able to cache the data and serve it to users, ensuring they can still access the website."
"It's very user-friendly."
"The solution is stable, and the DNS servers are simple to use."
"I like Cloudflare's application gateway and DDoS protection."
"The most valuable feature of Cloudflare DNS is security."
"The product's initial setup phase is very simple."
"I had a rather positive experience with A10 Networks Support Service."
"They give us the ability to configure many features for DDoS. There are many items that we can use."
"The solution has reduced the amount of manual intervention required during an attack. We have the inline solution and when it comes to the customers that we have on it, it has saved us some troubleshooting time."
"It is a scalable solution."
"We can keep track of all the customer's requirements. We can forecast our trails and we can forecast our overall financial things."
"We selected the solution because of its programmable automated defense using RESTful API. We didn't want to connect to the box. We wanted to be able to do some automation. We wanted to have our own portal because we wanted to connect our customers to our own UI using the A10 API. It has been good and exactly what we need."
"The response time to an attack is instant. We've used some outsourced solutions in the past, out in the cloud, that weren't so quick. But it's all within our control now. We control how fast it mitigates."
"Its initial setup process is straightforward."
"Compute@Edge features are valuable to me."
"Support is good; the product works as advertised. We have a Slack connection with them. So we can basically ask for help, live, engage, and ring when they respond. Very quickly."
"Rate limiting is a good feature that protects from volumetric attacks."
"The product helps our organization to access sites located in different regions quickly."
"The product's initial setup phase is straightforward."
"Fastly uses configuration versioning, where you can deploy a new version in less than one minute."
 

Cons

"Cloudflare doesn't have a reverse lookup. We can only do a DNS lookup to get the IP address from the hostname. It doesn't work if you want to look up the hostname from an IPA address."
"Although I think it's quite good, it doesn't provide me with all the features I would expect to have if I were using Imperva."
"The product support needs to be accessible from more places, a wider area of coverage."
"Cloudflare should add more documentation and pricing to the cloud version."
"The timing aspect can lead to it being considered overpriced. This is a particular concern we have with Cloudflare, as they may struggle with accurately detecting the client."
"There could be more courses with engineers. I like e-learning, however, having a specialist in a classroom is more comfortable for me."
"For large enterprises, the pricing is okay. However, the enterprise price for small projects is a bit high. A mid-tier pricing option would be beneficial."
"Latencies are always a problem."
"I rate Thunder TPS seven out of 10 for scalability."
"They have a cloud scrubbing feature that redirects the traffic if the on-prem appliance can't accommodate a large amount of traffic but it's not available where we are."
"We have had some issues with implementation. So, it is the only area that needs improvement."
"The last issue we had to contact them about was just a question of a false-positive. The A10 system wasn't supposed to decide what is a false-positive. So if we send it good traffic, it's supposed to just pass that good traffic through. But we opened this last ticket because the A10 did block some of the good traffic. Their support had to tweak it a little bit, but it wasn't anything that took a long time."
"The upgrade process for the boxes is not efficient. We have to go through the A10 aGalaxy where we have issues, like timeouts. They told me it was fixed in the latest version, but I tried to do it on the Portal and it is not working all the time."
"The problem here is when you buy another box from A10, they want to put Thunder TPS to run, and it works okay, after which we cannot block it for another solution to be used, which is a problem for me where improvements are needed."
"I would like for them to develop an advanced reporting feature."
"It is very difficult to implement. It should be made a bit easier to implement. There is also a lack of resources on the internet. They need to develop more resources."
"Fastly's customer service area needs improvement."
"It is missing a "staging" platform to deploy a test configuration with all of the real settings, which would allow us to properly test before putting it into production."
"Support is not that great."
"Stronger analytics would be helpful, like showing configurations that haven't served a certain amount of traffic in a while. With many properties, things can get lost track of - duplicates or unused configurations not properly decommissioned."
"The solution's pricing could be better."
"What I don't like about Fastly is that they charge a heavy price."
"The product should provide improved bot detection and management."
 

Pricing and Cost Advice

"There are no additional costs beyond the standard licensing fees."
"The tool is a premium product, so it is very expensive."
"When you compare Cloudflare DNS to other solutions, such as Akamai, the price is reasonable."
"So far I use free tier and happy with it. You can subscribe to business package if needed."
"The pricing depends on the usage, but the cheapest would be around 5,000 USD a month."
"The price of the solution is expensive."
"I give the price a five out of ten."
"We are using the free tier of the solution."
"Pricing is very reasonable."
"The tool is expensive. If one is low price and ten is expensive, I rate the tool's price as a ten."
"The financials are always a challenge with this type of technology. That's not really a product-functionality thing but it's the area where we push A10 the most."
"Pricing was much higher with Arbor (APS) for the same type of solution."
"We did a price survey, and compared to other solutions, A10 Thunder TPS wasn't cheap."
"We had a customer who was down for six hours and the loss of revenue for him was three times the price he was paying for us per year. The customer just said, "I don't care about paying you because on only one attack I saved money. It's three times better than losing money.""
"We may need to pay fifty percent more if we purchase other solutions. For the payments made to A10 Thunder TPS, we have received three-year support."
"It is an expensive solution."
"You need to pay a premium price for the tool."
"In my opinion, Fastly is priced competitively."
"I've generally found Fastly to be very competitive in pricing, especially around Compute@Edge."
"The pricing has been very competitive."
"The solution is cheaper than other products in the market."
"Fastly is less expensive than one of its competitors."
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Top Industries

By visitors reading reviews
Computer Software Company
15%
Comms Service Provider
11%
Financial Services Firm
9%
Manufacturing Company
7%
Comms Service Provider
36%
Financial Services Firm
8%
Computer Software Company
6%
Performing Arts
5%
Computer Software Company
15%
Comms Service Provider
10%
Financial Services Firm
9%
Manufacturing Company
9%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

Questions from the Community

Which is the best DDoS protection solution for a big ISP for monitoring and mitigating?
Cloudflare. We are moving from Akamai prolexic to Cloudflare. Cloudflare anycast network outperforms Akamai static GR...
Which would you choose - Cloudflare DNS or Quad9?
Cloudflare DNS is a very fast, very reliable public DNS resolver. It is an enterprise-grade authoritative DNS service...
What do you like most about Cloudflare?
Cloudflare offers CDN and DDoS protection. We have the front end, API, and database in how you structure applications.
What do you like most about A10 Thunder TPS?
The most valuable feature of A10 Thunder TPS is load balancing.
What is your experience regarding pricing and costs for A10 Thunder TPS?
I have not seen specific prices, like $10,000 or $20,000. A frustrating aspect is the lack of demo versions. The vend...
What needs improvement with A10 Thunder TPS?
I had issues with the user interface because, when putting settings up, the system asked me for strange things like v...
What do you like most about Fastly?
Support is good; the product works as advertised. We have a Slack connection with them. So we can basically ask for h...
What needs improvement with Fastly?
Fastly has POPs with huge servers across the world, so it works effectively everywhere except the mainland China regi...
 

Comparisons

 

Also Known As

Cloudflare DNS
No data available
No data available
 

Overview

 

Sample Customers

Trusted by over 9,000,000 Internet Applications and APIs, including Nasdaq, Zendesk, Crunchbase, Steve Madden, OkCupid, Cisco, Quizlet, Discord and more.
DDoS defense solution trusted for more than 200 service providers, online gaming, and enterprises including; Bungie, Comcast, KDDI Corporation, Leaseweb, Microsoft Azure, NTT Docomo, Softbank, Turkcell Superonline, Verizon and more.
Twitter, Airbnb, Alaska Airlines, Pinterest, Vimeo, The Guardian, The New York Times, Ticketmaster, The Drupal Association, Opera, about.com, imgur, Etsy, Foursquare, GitHub, New Relic, shopify, Shazam, Firebase
Find out what your peers are saying about A10 Thunder TPS vs. Fastly and other solutions. Updated: July 2025.
865,295 professionals have used our research since 2012.