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HashSwitch

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Tom Barbette edited this page Oct 3, 2018 · 2 revisions

HashSwitch Element Documentation

NAME

HashSwitch — Click element; classifies packets by hash of contents

SYNOPSIS

HashSwitch(OFFSET, LENGTH)

Batching: Batching natively supported
Ports: 1 input, 1 or more outputs
Processing: push

DESCRIPTION

Can have any number of outputs. Chooses the output on which to emit each packet based on a hash of the LENGTH bytes starting at OFFSET. Could be used for stochastic fair queuing.

EXAMPLES

This element expects IP packets and chooses the output based on a hash of the IP destination address:

 HashSwitch(16, 4)

SEE ALSO

Switch, RoundRobinSwitch, StrideSwitch, RandomSwitch

Generated by click-elem2man from ../elements/standard/hashswitch.hh:6 on 2018/10/03.

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