Forward Explicit Congestion Notification (FECN) for Datacenter Ethernet Networks


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Table of Contents

Forward Explicit Congestion Notification (FECN) for Datacenter Ethernet Networks

Overview

Datacenter Networks

Top 10 Requirements for a Good Scheme

FECN Overview

FECN: Observations

Switch Algorithm

A Simple Switch Algorithm

Switch Algorithm with Q-Control

Queueing Control Function: f(q)

Queue Control Function: f(q)

Enhancements

General Simulation Parameters

Baseline Simulation Results

FECN with TCP flows

FECN with TCP flows

Simulation Results

Symmetric Topology: Configuration

Symmetric Topology: Source Rate (T=1 ms)

Symmetric Topology: Queue Length (T=1 ms)

Symmetric Topology: Source Rates (T=0.1 ms)

Symmetric Topology: Queue Length (T=0.1 ms)

Large Topology: Configuration

Large Topology: Source Rates

Large Topology: Queue Length

Large Topology: Source Rates (N0=500)

Large Topology: Queue Length (N0 = 500)

PAUSE

Bursty Traffic: Configuration

Large Topology Bursty Traffic: Rates

Large Topology - Bursty Traffic: Queue

Large Topology – Bursty Traffic: Rates

Large Topology – Bursty Traffic: Queues

Output Generated Hotspot Scenario

Hotspot Scenario: Source Rate

Hotspot Scenario: Queue Length

Advantages of FECN

Summary

Summary

Author: Jinjing

Home Page: http://www.cse.wustl.edu/~jain/

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