Subject: [multipathtcp] MPTCP ndiffports parameter

From: Abhishek Verma <[email-masked]>
Date: Sun, 6 Jul 2014 08:45:01 +0530

Hi,

I came across the ndiffports parameter in
http://multipath-tcp.org/pmwiki.php?n=Main.Release88

The idea here is to have parallel TCP sessions between a given pair of
source and dest. The advantage would be that each TCP session will
send/recv packets based on their individual tcp_rmem/tcp_wmem values. Each
would go through its slow start algorithm, but the total data transferred
in each phase would multiply be the number of TCP sessions.

This would work as long as the pipe between the two end points is wide
enough to carry all the combined traffic since if this link gets congested
then all the parallel TCP Sessions will get affected and each will reduce
its window size.

Is my understanding correct?

Regards, Abhishek