Head-to-head · DDoS Protection Software
Fastly DDoS Protection vs A10 Thunder TPS
Fastly DDoS Protection leads on 1 check, A10 Thunder TPS on 0, and 2 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreFastly DDoS Protection · 9.1/10
- Free planonly Fastly DDoS Protection
- Free trialonly A10 Thunder TPS
- Most featuresA10 Thunder TPS · 1 of 2
Fastly DDoS Protection scores higher on our rubric for ddos protection software: 9.1 against 8.7 out of 10; our editors rank them #3 and #7.
Fastly DDoS Protection offers free plan; A10 Thunder TPS doesn't. On mitigation mode, A10 Thunder TPS gives you Hybrid where Fastly DDoS Protection offers Always-on. On deployment model, A10 Thunder TPS gives you Hybrid where Fastly DDoS Protection offers Cloud.
Fastly DDoS Protection is the better fit for usage-based web and API protection. A10 Thunder TPS is the better fit for network operators needing hybrid appliance protection.
- Fastly DDoS Protection fits best
Usage-based web and API protection
- A10 Thunder TPS fits best
Network operators needing hybrid appliance protection
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Side by side
| Feature | Fastly DDoS Protection 9.1/10 Visit ↗ | A10 Thunder TPS 8.7/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 9.1 | 8.7 |
| Ranking | #3 in DDoS Protection Software | #7 in DDoS Protection Software |
| Best for | Usage-based web and API protection | Network operators needing hybrid appliance protection |
| Pricing model | Free plan + paid | Paid |
| Starting price | $0.01/unit/mo | Pricing on request · 30-day trial |
| Free plan | ✓ (best) | — |
| Free trial | — | 30 days |
| Deployment | Cloud | Cloud, Self-hosted |
| Support | Docs | Community, Docs · 24/7 |
| Built for | Small business, Mid-market, Enterprise | Mid-market, Enterprise |
| Features Fastly DDoS Protection 0/2 · A10 Thunder TPS 1/2 | ||
| Managed mitigation | Not checked yet | ✓ (best) |
| WAF included | — | — |
| Specs | ||
| Attack layers | Both | Both |
| Mitigation mode | Always-on | Hybrid |
| Deployment model | Cloud | Hybrid |
| Protection capacity | Not checked yet | Not checked yet |
| Our review | ||
| Pros |
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| Cons |
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| Our verdict | Fastly DDoS Protection is a cloud-based service for detecting and mitigating distributed denial-of-service attacks against applications, APIs, and infrastructure. It is designed for teams protecting web and API traffic across cloud,… Read the review → |
A10 Thunder TPS is A10 Networks’ DDoS protection platform, now presented as A10 Defend DDoS Mitigator. It is designed for service providers, data centers, gaming networks, and enterprises that need protection across volumetric, protocol,… Read the review → |
Strengths and trade-offs
Fastly DDoS Protection — where it wins
- Covers both network-layer and application-layer attacks
- Near-real-time mitigation with continuous anomaly detection
- Zero-attack-fee billing for mitigated attack spikes
Where it doesn't
- WAF protection is not included
- The free tier does not specify a request allowance
- Pricing is based on monthly request volume
A10 Thunder TPS — where it wins
- Covers volumetric, protocol, resource, and application-layer attacks
- Supports inline and on-demand BGP route redirection mitigation
- Adds machine-learning zero-day recognition and adaptive policies
Where it doesn't
- Pricing requires contact with sales
- No free plan is offered
- WAF is not included
- Fastly DDoS Protection9.1/10 · Free plan
Usage-priced protection for network and application-layer DDoS attacks.
Visit FastlyFull verdict → - A10 Thunder TPS8.7/10 · Pricing on request · 30-day trial
Hybrid, multi-vector DDoS protection for network operators managing complex traffic flows.
Visit A10 NetworksFull verdict →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update






