Buffer Bloat & BDP Sizing Tool
Buffer Bloat & BDP Sizing Tool
Calculate Bandwidth-Delay Product, detect buffer bloat conditions, and get AQM recommendations.
AQM Recommendation Guide
| AQM | Best For | Linux Command | Notes |
|---|---|---|---|
| fq_codel | General-purpose, low-latency | tc qdisc add dev eth0 root fq_codel |
Default in many distros; flow-fair queuing + CoDel |
| CAKE | Home routers, ISP edge | tc qdisc add dev eth0 root cake bandwidth 100Mbit |
Includes shaping; best for bandwidth-limited links |
| PIE | Cable modems, DOCSIS | tc qdisc add dev eth0 root pie |
Proportional Integral controller Enhanced; IETF RFC 8033 |
BDP Reference Table
| Bandwidth | RTT 10ms | RTT 50ms | RTT 100ms | RTT 300ms |
|---|