TCP Fast Reroute
To test from a clean start:
1. Set loss / latency below and click SET IMPAIR
2. Then click PLAY — fetching begins into the impairment
(pressing PLAY first fills the buffer before impair takes effect)
▶
● READY — configure and press PLAY to begin
EXTEND
RESERVE
RELEASE
settings: —
Throughput
—
Buffer
—
In-flight
0
Chunks
0
Stalls
0
Reroutes
0
BUF
▬ Throughput
▬ Buffer (main)
▬ Buffer (transit)
▮ Stall
▬ TFR
— per-cache delivery / RTT / retrans: see ▤ PER-CACHE
LOSS %
DELAY ms
⚡ MAIN PATH
⚡ TRANSIT PATH
✕ DISARM
✂ KILL CONNECTIONS
RES
1080p
4K
720p
PLAYER
Deep buffer · 14s / 3 / 2MB
Live edge · 3s / 2 / 1MB
Single stream · 14s / 1 / 2MB
Prefetch · 30s / 4 / 4MB
▶ PLAY
⟲ REPLAY
✓ ENABLE RPT
✕ DISABLE TFR
⚙ TUNE
▤ PER-CACHE
kernel: …
api: idle
Switch to light theme
🔒 RESERVE THE RIG
The rig runs one test at a time. Reserve it before changing anything.
Your name
RESERVE
Just watch
⚙ TFR TUNING
✕
Sensitivity preset
0 · Conservative
1 · Balanced
2 · Aggressive
3 · Very sensitive
Applies to NEW connections. Existing flows keep old values until re-handshake.
APPLY
APPLY + KILL
PER-CACHE VIEW
◧
◨
—
✕
IMPAIR: disarmed