jms server vs jms provider

I'm very new to the jms business and I'm going over a program that worked in websphere 6, trying to make it work in 6.1.I noticed that they are looking for jms servers and I see on my console jms providers.Is there a difference?
[265 byte] By [Noaa] at [2007-11-26 18:27:05]
# 1
both are same...
facadea at 2007-7-9 6:01:11 > top of Java-index,Enterprise & Remote Computing,Enterprise Technologies...