Takeaways

This is the famous XCP paper! Explicit Control Protocol - components in end-points and routers.
Goal:

1. separate fairness from congestion control
2. and do this without per-flow state in the router
   Aiming for:

• high utilization
• good fairness
• low queueing delay (like RED and CoDel and BBR)

Some Notes

current status:
– 2002 SIGCOMM paper was just simulations

– ~2004 ISI and others implemented it and examined IETF standards
• some slides and much discussion from Aaron Falk and Ted Faber at ISI

– ~2008 interest waned