Arcade

Latency Budget

Phase 06 · System DesignPlayable

Split 200ms across DNS, TLS, TTFB, download and render without cheating physics.

Allocation

DNS20msResolution, warm cache to cold.TLS30msHandshake, one round trip minimum.TTFB70msServer think time before the first byte.Download60msTransfer of the critical bytes.Render60msParse, style, layout, paint.

Waterfall

240/ 200ms40ms over

DNS 20TLS 30TTFB 70Download 60Render 60

Verdict1 problem

240ms exceeds the 200ms budget.Take 40ms out of the stages with the most slack before arguing about the floors.

Floors: DNS 5, TLS 10, TTFB 30. Ceiling: Render 80. Win with a total of 200ms or less and nothing in the verdict list.