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)

Throughput—

Buffer—

In-flight0

Chunks0

Stalls0

Reroutes0

BUF

▬ Throughput ▬ Buffer (main) ▬ Buffer (transit) ▮ Stall ▬ TFR — per-cache delivery / RTT / retrans: see ▤ PER-CACHE

LOSS %

DELAY ms

RES

kernel: … api: idle

IMPAIR: disarmed