Recognizing a role for its big-iron boxes in contemporary SOA environments, IBM on Monday is unveiling tools and initiatives
intended to give its mainframe more prominence in SOA.
The effort aims to help users handle the proliferation of business processes and applications that the company says is turning
its System z mainframe into a global hub of Internet-based computing. The company expects the SOA trend to prompt a doubling
of the number of transactions on mainframes before 2010.
"We are seeing an increase in the workloads coming back on the mainframe. The IT world tends to ebb and flow a bit," said
Steve Mills, senior vice president and group executive at IBM's Software Group, at an analyst event in New York City last
week.
"The labor cost issue is the single biggest driver moving more workloads back to the mainframe," Mills said.
With IBM's plan, users can consolidate processing on a mainframe instead of spreading it on many distributed servers, said
Hayden Lindsey, IBM Distinguished Engineer at the Rational Software group.
"Customers are seeing this and in fact they're finding it more cost-effective to consolidate a lot of their workload onto
many fewer z machines than hundreds or thousands of distributed machines," Lindsey said.
A mainframe user echoed this assessment.
"It's easier to manage the mainframe than a bunch of Windows servers. We have a smaller staff running the mainframe and those
functions run 80 percent of our business," said Bill Homa, CIO of supermarket chain Hannaford Brothers, headquartered in Scarborough,
Maine.
Hannaford Brothers deployed a System z mainframe last October to serve as the hub of its SOA.
"We used to be fairly distributed, but the difficulty of managing thousands of distributed servers was just a nightmare. In
the past five years we've made an effort to make everything we can centralized," Homa said.
Key components of Big Blue's SOA initiative are new IBM Rational Cobol generation tools, which enable developers using Java,
Visual Basic, PL/1, and Cobol to build SOA-enabled mainframe applications. The tools include Rational Cobol Generation Extension
for z/OS and Rational Cobol Runtime for z/OS.
"We generate Cobol for deployment onto the mainframe," Lindsey said.
To connect mainframe data to complex business processes in an SOA, IBM is rolling out WebSphere Process Server for z, software
that can help SOA-enable processes such as an online credit card purchase that requires checking inventory and shipping status.
The IBM WebSphere Enterprise Service Bus for IBM System z, meanwhile, integrates applications and services as part of an SOA
running on the mainframe. For advanced ESB functionality, a new version of WebSphere Message Broker is shipping.
IBM WebSphere Portal 6.0 for z/OS combines applications in an SOA and customizes the information, such as enabling a sales
manager to see a deal status, revenues, and product information, on the same screen for specific users, according to IBM.
Additionally, the planned DB2 Viper for z/OS data server will link unstructured data such as e-mail, videos, audio, images,
and RFID-generated data with relational information on databases. It will support the IBM System z9 Integrated Information
Processor, which is designed to free up computing capacity.
The upcoming Tivoli Federated Identity Manager for z/OS offering secures transactions across mainframes and distributed computers
using SOA and Web services technology, IBM said. Featured are identity management and compliance tools to enhance System z's
encryption and intrusion detection features.
IBM is making the right move by promoting a mainframe role in SOA, said Phil Murphy, principal analyst at Forrester Research.
"The presumption there is that the mainframe had nothing to do with SOA, and this [announcement] changes that," Murphy said.
"I guess my view is the industry tried, 'Let's everyone get off of the mainframe,' in the late 90s. It didn't work because
there are many organizations that need that level of power," Murphy said.
Mainframes have been used for applications insulated from the public security breaches of newer technologies, Murphy said.
"It's a natural to expose those transactions as services," he added.
Also being announced is Systems z for ISVs, an initiative providing software vendors with technical, sales, and marketing
resources to build applications to run on IBM middleware and System z boxes. This program is being offered through IBM's PartnerWorld
Industry Networks and provides ISVs with free consulting sessions with IBM architects. IBM will build a custom online environment
where vendors can develop, port, and test applications on System z.
IBM also is providing next-generation mainframe developers with courseware via the IBM Academic Initiative.
Rational Cobol Generation Extension for z/OS is available now for $1,500 per developer. The WebSphere Process Server and ESB
for System z are available in June, with pricing not yet available.
Shipping later this year are: DB2 Viper for z/OS; WebSphere Portal 6.0 for z/OS and Tivoli Federated Identity Manager for
z/OS. Pricing information is not yet available for these products.
(Shelley Solheim of IDG News Service, an InfoWorld affiliate, contributed to this report.)
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