https://aws.amazon.com/pt/about-aws/whats-new/2020/10/announcing-amazon-cloudfront-origin-shield/
Announcing Amazon CloudFront Origin Shield - AWS
Discover more about what's new at AWS with Announcing Amazon CloudFront Origin Shield
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https://www.varnish-software.com/solutions/origin-shield/
Varnish Software - Origin Shield
Origin Shield absorb traffic spikes, overcome outages, offload web and video traffic to reduce backend costs and stay online when CDNs go down.
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