MultiTracer: Multi-layer Protocol Tracing

RLP and TCP interaction measurement / analysis
- Both are reliable protocols (link and transport layers)
- Trace analysis tool to determine current interaction effects
- Tools for design of next generation networks (e.g., 3G+ Cellular)
- SIGMETRICS99 paper

BTS

TCP: End-to-End Reliability

RLP: Wireless Reliability

GSM-IP Gateway

GSM Network

TCP stats

RLP stats

TCP / RLP stats

Post-processing tool

(300 bytes/s)

RLP and TCP interaction measurement / analysis