North American Network Operators Group
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Re: 923Mbits/s across the ocean
- From: Stephen Sprunk
- Date: Tue Mar 11 13:37:42 2003
Thus spake "Iljitsch van Beijnum" <iljitsch@muada.com>
> This is the part about TCP that I've never understood: why does it
> send large numbers of packets back-to-back? This is almost never a
> good idea.
Because until you congest the network to the point of dropping packets, a
host has no idea how much bw is actually available. Exponential rate
growith finds this value very quickly.
> Hm, I don't see this happening to a usable degree as TCP has no
> concept of records. You really want to use fixed size chunks of
> information here rather than pretending everything's a stream.
A record-oriented, reliable transport would make many protocols much easier
to implement. Too bad SCTP hasn't seen wider use.
S
Stephen Sprunk "God does not play dice." --Albert Einstein
CCIE #3723 "God is an inveterate gambler, and He throws the
K5SSS dice at every possible opportunity." --Stephen Hawking
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