network file copy through a DOS session

H

Hassan

Trying to understand this from a n/w perspective.
We have multiple huge files that we try and copy(copy,xcopy or robocopy)
to a secondary server thats Gig attached on the same LAN. When we issue one
DOS Session to start copying an individual file, why doesnt it use the
entire throughput of the NIC ...as an example, the bytes sent/sec might be
say 2000000. When we invoke another session and start copying another file,
the bytes sent/sec now jumps to say around 3500000. So my question is why
with one DOS Session, it does not push at 3500000 . Is there a DOS
Limitation ? Trying to understand the n/w concepts here. The numbers I have
listed are not accurate but always noticed a major increase when multiple
sessions are opened for the file copying..

With one DOS session, it looks like it can only go max to a certain rate and
then
when i open more sessions and start copying other files, the bytes sent/sec
increases and if i
cancel/close some sessions, i can see it decrease and was wondering why one
session cant take it all at first and if I open more DOS sessions, I would
expect the rate to remain the same ...
 
P

Pegasus \(MVP\)

- Where do you get your bytes sent/sec from?
- What do you mean with "DOS Session"? Command Prompt?
 

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