A one-page checklist to work through before you ship a streaming catalog: design the cache key for segmented media (path only; keep tokens, session IDs, and high-cardinality headers out), choose where the token lives (signed cookie vs query string) and validate it at the edge without keying on it, set the invalidation strategy (long-TTL segments, short-TTL manifest, surrogate-key purge, soft purge, version-by-path), and prewarm the edge for a live premiere — plus the one sanity check that protec
Download free PDF
The handbook · 7 volumes
Fora Soft Video Engineering Handbook
This checklist designs the cache key for segmented media, keeps tokens out of it while still validating them at the edge, and sets TTL, purge and prewarm rules for a live premiere. Our seven-volume handbook covers the full OTT stack; Volume 3 goes deep on CDNs, caching and delivery economics, and Volume 2 explains HLS, DASH and CMAF segments. Written by Nikolay Sapunov, CEO at Fora Soft.
Is your edge cache-hit ratio falling because of tokens or session IDs?
Share your CDN configuration, and we will redesign cache keys and token checks to raise hit ratio before your next premiere. 250+ video products shipped since 2005.
You get a realistic estimate, technical recommendations and next steps. Free, no obligations.
