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Michael Jenkins Presents:

Host-to-Host Congestion Control for TCP

By: Alexander Afanasyev, Neil

Tilley, Peter Reiher, and Leonard Kleinrock

Congestion Control needs to be Updated to Increase the

Functionality of TCP

• Standard Sliding Window• No notifications from the network• Intelligent solutions• Different network types

• As a network becomes congested, the amount of acknowledged packets decrease• Slow Start and Congestion Avoidance• TCP Tahoe• TCP Reno

Congestion Collapse

• Multiple duplicated acknowledgements • Differentiation between transmitted and Retransmitted Packets • TCP Eifel

Packet Reordering

High-Speed/Long-Delay Networks

• Optical Vs Satellite Networks• Standard algorithms do not efficiently work on high-speed networks.• HS-TCP (High-Speed TCP)

Feature Research

• No universal congestion control approach for every network type• Rules to measure packet loss• Short-Lived Flows• Fairness between TCP flows• Excusive buffering Syndrome