Many people are unaware that you get a license of WAS when you purchase RTC client licenses. This means you can use WAS as your JTS/RTC/RQM/RRC application server instead of Tomcat. WAS can do a lot more than Tomcat, and installations that serve groups larger than individual teams should seriously consider moving to WAS.
There’s a link to the the WAS trial download from the CLM download pages. After you get a permanent license (try speaking with your account rep or Passport Advantage), you’ll need to upgrade the trial to a permanent product. You can get the instructions here: