[e2e] Since we're already learning TCP fundamentals...

[Michael Welzl]

Hi all,

Many thanks to everybody for your comments - it's really
interesting to see how many facets there are to this question.

I was just about to ask why you can't use segment
counters with variable size segments (which some
of you mentioned as the reason for using byte counters),
but this:

On Mon, 2006-03-13 at 13:52, David P. Reed wrote:
> And in fact a TCP source may use different segmentation in a 
> retransmission from the segmentation it used in the original 
> segmentation.   This has advantages, too, for example when using TCP to 
> send typed characters one at a time.  There were those who advocated 

explains it; and perhaps there are other reasons too.

Anyway, the answers to my question are far more interesting
than I expected. Thanks again!

Cheers,
Michael