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Full Discussion: TCP MSS Issue
Special Forums IP Networking TCP MSS Issue Post 302882525 by DGPickett on Tuesday 7th of January 2014 03:15:55 PM
Old 01-07-2014
MSS is related to MTU. I wrote it up very nicely years ago, so look here (come bits are AIX, but much is general):
http://davidgpickett.home.comcast.net/~davidgpickett/tips/
especially:
http://davidgpickett.home.comcast.net/~davidgpickett/tips/tcp_tuning.970513.txt

More modern TCP packets have extended headers, so you get less than 1460 payload from 1500 MTU. The extended header can do buffers over 65K and swap timestamps for tuning. Sometimes a TCP header carries an MTU setting, at least at first.
 

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mdbFontSize(5)							 The m17n Library						    mdbFontSize(5)

NAME
mdbFontSize - Font Size DESCRIPTION
In some case, a font contains incorrect information about its size (typically in the case of a hacked TrueType font), which results in a bad text layout when such a font is used in combination with the other fonts. To overcome this problem, the m17n library loads information about font-size adjustment from the m17n database by the tags <font, resize>. The data is loaded as a plist of this format. FONT-SIZE-ADJUSTMENT ::= PER-FONT * PER-FONT ::= '(' FONT-SPEC ADJUST-RATIO ')' FONT-SPEC ::= '(' [ FOUNDRY FAMILY [ WEIGHT [ STYLE [ STRETCH [ ADSTYLE ]]]]] REGISTRY ')' ADJUST-RATIO ::= INTEGER FONT-SPEC is to specify properties of a font. FOUNDRY to REGISTRY are symbols corresponding to Mfoundry to Mregistry property of a font. See m17nFont for the meaning of each property. ADJUST-RATIO is an integer number specifying by percentage how much the font-size must be adjusted. For instance, this PER-FONT: ((devanagari-cdac) 150) instructs the font handler of the m17n library to open a font of 1.5 times bigger than a requested size on opening a font whose registry is 'devanagari-cdac'. COPYRIGHT
Copyright (C) 2001 Information-technology Promotion Agency (IPA) Copyright (C) 2001-2011 National Institute of Advanced Industrial Science and Technology (AIST) Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License <http://www.gnu.org/licenses/fdl.html>. Version 1.6.2 12 Jan 2011 mdbFontSize(5)
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