TCP/IP Question: Download TCP/IP Protocol PDF
Explain How can we measure the performance of an IP link?
Answer:
You can get a quick approximation by timing how long it takes to
FTP or RCP a large file over the link, but bear in mind that that
measurement will be skewed by the time spent in dealing with the
local and remote filesystems, not simply with the network itself.
And remember to measure the time it takes to receive a file, not
the time it takes to send it; the sender can report completion
even though large amounts of data are still buffered locally by
TCP and have not yet been delivered to the destination.
FTP or RCP a large file over the link, but bear in mind that that
measurement will be skewed by the time spent in dealing with the
local and remote filesystems, not simply with the network itself.
And remember to measure the time it takes to receive a file, not
the time it takes to send it; the sender can report completion
even though large amounts of data are still buffered locally by
TCP and have not yet been delivered to the destination.
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