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Three Settings to Optimize iChain Performance

Novell Cool Solutions: Trench
By Tiago Abreu

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Posted: 19 Dec 2002

Versions: iChain 2.0, 2.1

For at least iChain v2.0 and v2.1, I recommend putting these three set parameters:

- set tcp delayed ack=off
- set tcp nagles algorithm = off
- set tcp maximum initial window = 4

Without these parameters an upload to the web server though iChain took 10x more time than directly to the web server, i.e., 50s , 5s.

With those parameters the same upload is taking 6s with SSLizer enabled. Downloads are faster, too.

This link explains one implication of the NAGLE set parameter:

Try it!

If you have any questions you may contact Tiago at

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