NewDialer constructs a new Dialer and initializes its cache.

Conn wraps net.Conn and keeps track of sent and received data size.

Dialer wraps net.Dialer and provides k6 specific functionality - tracing, blacklists and DNS cache and aliases.

NetTrail contains information about the exchanged data size and length of a series of connections from a particular netext.Dialer.

A Tracer wraps "net/http/httptrace" to collect granular timings for HTTP requests.

A Trail represents detailed information about an HTTP request.