On a cold start, your app's first API response takes 800ms and every one after that takes 120ms. Can you walk me through what happens in the network stack in between, step by step?
The first request pays DNS lookup, the TCP 3-way handshake, the TLS handshake, server processing, and the download. After that, connection reuse drops the handshakes.
NetworkingShort answerAdvanced
When the app sends a request to https://api.example.com, what happens at the TLS level…
#tls #handshake
NetworkingMultiple choiceAdvanced
The server team moved to TLS 1.3 and says app connections got faster. Select all the…
#tls #handshake
SecurityShort answerAdvanced
Why can't you call communication absolutely safe just because you use HTTPS, and which…
#dns #tls
NetworkingShort answerExpert
A report says the app is slow only for users in one region, but the server metrics look…
#urlsessiontaskmetrics