No you don't need to implement PAUSE in GbE. My friend Rich Seifert, who has written books on Ethernet and switching tells me that PAUSE is not all that useful and that it doesn't accomplish much. He believes in end-to-end flow control as opposed to link level flow control.
Editor's note: Do you agree with this expert's response? If you have more to share, post it in our Storage Networking discussion forum.
This was first published in March 2002