A one-page checklist to work through before signing a second CDN: decide whether you have a real trigger for multi-CDN (petabyte scale, contractual availability, global audience, large egress bill), pick a switching method (DNS, content steering, or client-side), blend the right measurement signals (community RUM, private RUM, player QoE, CDN logs), and protect the cache the split will dilute (origin shield, don't over-split, ramp don't dump, token parity across CDNs) — plus the one sanity check
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The handbook · 7 volumes
Fora Soft Video Engineering Handbook
This multi-CDN decision checklist helps you confirm a real trigger, pick DNS, content steering or client-side switching, blend RUM and QoE signals and protect the cache before signing a second CDN. Our seven-volume handbook covers the OTT stack; start with Volume 3 on CDNs, caching and delivery economics, then Volume 2 on HLS and DASH and Volume 1 on encoding. Written by Nikolay Sapunov, CEO at Fora Soft.
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