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Head-to-head · DDoS Protection Software

Fastly DDoS Protection vs A10 Thunder TPS

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score Fastly DDoS Protection #3 in DDoS Protection Software 9.1/10 Free plan Free plan✓ 0 of 2 features Visit Fastly
A10 Thunder TPS #7 in DDoS Protection Software 8.7/10 Pricing on request · 30-day trial Free trial✓ 1 of 2 features Visit A10 Networks

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

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

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
  • Covers both network-layer and application-layer attacks
  • Near-real-time mitigation with continuous anomaly detection
  • Zero-attack-fee billing for mitigated attack spikes
  • 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
Cons
  • WAF protection is not included
  • The free tier does not specify a request allowance
  • Pricing is based on monthly request volume
  • Pricing requires contact with sales
  • No free plan is offered
  • WAF is not included
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 →
  1. Fastly DDoS ProtectionDDoS Protection Software 9.1Free plan
  2. A10 Thunder TPSDDoS Protection Software 8.7Pricing on request · 30-day trial

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 →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update