bottom half & softirq & tasklet

From: CherieWang (ycwang7_at_winbond.com.tw)
Date: 03/22/04 

Date: Mon, 22 Mar 2004 14:57:28 +0800

Hi,
  Are bottom half and softirq indicating the same thing? If not, what the
difference between them? And what the difference between bottom half and
tasklet?

Thanks a lot!
CherieWang