Fastly DDoS Protection is a commercial DDoS mitigation solution by Fastly. NETSCOUT Arbor Sightline Mobile is a commercial DDoS mitigation solution by NETSCOUT. Features, integrations, deployment and the company behind each one, side by side.
Cloud-based DDoS protection for apps and APIs with automatic mitigation
DDoS threat detection & traffic anomaly monitoring for 4G/5G mobile networks
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Based on what each listing shows: deployment, company size, price and open source.
Fastly DDoS Protection fits if you want a cloud product and you are a small business.
NETSCOUT Arbor Sightline Mobile fits if you need to run it on your own servers.
Common questions when comparing Fastly DDoS Protection vs NETSCOUT Arbor Sightline Mobile for DDoS mitigation.
Fastly DDoS Protection: Cloud-based DDoS protection for apps and APIs with automatic mitigation. Built by Fastly.
NETSCOUT Arbor Sightline Mobile: DDoS threat detection & traffic anomaly monitoring for 4G/5G mobile networks. Built by NETSCOUT.
The table above shows where their features, integrations, deployment and company size fit differ.
Fastly DDoS Protection is made by Fastly. NETSCOUT Arbor Sightline Mobile is made by NETSCOUT. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. Fastly DDoS Protection and NETSCOUT Arbor Sightline Mobile are both DDoS Mitigation products. Use the table above to see where features, deployment and company size fit differ.
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Updated 2026-11-02
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