Flow Control

4/25/97


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Table of Contents

Flow Control

Flow control problem

Other considerations

Where?

Model

Classification

Open loop flow control

Hard problems

Traffic descriptors

Descriptor requirements

Examples

Some common descriptors

Peak rate

Average rate

Linear Bounded Arrival Process

Leaky bucket

Variants

Choosing LBAP parameters

Choosing minimal parameters

LBAP

Open loop vs. closed loop

Taxonomy

Explicit vs. Implicit

Flow control window

Window vs. rate

Hop-by-hop vs. end-to-end

On-off

Stop and Wait

Static window

What should window size be?

Static window

DECbit flow control

DECbit

DECbit details: router actions

Router actions

Source actions

Evaluation

Sample trace

TCP Flow Control

TCP details

More TCP details

TCP vs. DECbit

Evaluation

Sample trace

TCP Vegas

NETBLT

Packet pair

Packet pair

Packet-pair details

Packet-pair flow control

Sample trace

ATM Forum EERC

ATM Forum EERC details

Comparison with DECbit

Problems

Comparison among closed-loop schemes

Hybrid flow control

Author: S. Keshav

Email: skeshav@cs.cornell.edu

Home Page: http://www.cs.cornell.edu/home/skeshav

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