COLITU LABProbes starting

Protocols

VPN transports under measurement

Each transport hides traffic differently, so each fails differently. Figures are the last 30 days across every vantage point; open a transport for its breakdown by network and by server location.

Hysteria2

QUIC (UDP)

A proxy protocol over QUIC (UDP) with its own congestion control.

Not measured in the last 30 days.

Details →VLESS Reality

TCP + TLS (Reality)

VLESS over TCP with REALITY: a TLS 1.3 connection that presents a real, unrelated website.

Not measured in the last 30 days.

Details →VLESS XHTTP

HTTP (Reality)

VLESS carried as ordinary HTTP requests and responses, protected by REALITY.

Not measured in the last 30 days.

Details →Trojan

TCP + TLS

TLS over TCP with a real certificate for the server's own domain.

Not measured in the last 30 days.

Details →Shadowsocks

TCP (encrypted)

A stream encrypted from the first byte (Shadowsocks 2022), with no visible handshake.

Not measured in the last 30 days.

Details →TUIC

QUIC (UDP)

A proxy protocol over QUIC (UDP), similar in spirit to Hysteria2.

Not measured in the last 30 days.

Details →