3 ms·
> So using cloudflare on a cache hit (best case), you save something like 160ms per roundtrip. Per packet. If you're doing a cold start, you'll pay that latenc
by bostik 5y ago
> So using cloudflare on a cache hit (best case), you save something like 160ms per roundtrip.
Per packet. If you're doing a cold start, you'll pay that latency cost several times over: first the TCP handshake (3 roundtrips), and then the TLS handshake (2 more roundtrips). That's 800ms of extra latency before you even get to sending the first HTTPx request.
Cold start latency matters a lot.