when not to use net.ipv4.tcp_{sack,fack,dsack}

This is a discussion on when not to use net.ipv4.tcp_{sack,fack,dsack} within the Linux Networking forums, part of the Linux Forums category; Does someone know of a good explanation / link for when net.ipv4.tcp_sack, net.ipv4.tcp_fack, and net.ipv4.tcp_dsack ...


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Old 11-28-2006
Richard Eich
 
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Default when not to use net.ipv4.tcp_{sack,fack,dsack}

Does someone know of a good explanation / link for when

net.ipv4.tcp_sack, net.ipv4.tcp_fack, and net.ipv4.tcp_dsack

should not be used? All the doc I've seen says they're "almost always
a good idea" but no description at all about when they're a bad idea.

I'd like to get past all the handwaving.

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