Principal Financial Group said it has quadrupled processing volume on its Web site and improved response time by two to three times since it began running its Web services on an International Business Machines Corp. S/390 server.

Principal, the largest manager of 401(k) plans in the U.S., previously supported its Web site with a Sun Microsystems Unix server.

Subscribe Now

Access to authoritative analysis and perspective and our data-driven report series.

14-Day Free Trial

No credit card required. Complete access to articles, breaking news and industry data.