As chief architect, Gregg provides technical leadership for DataDirect's mainframe-based Shadow products. Gregg has architected and developed various commercial system software products, and he is the co-developer of the Shadow Direct ODBC-to-mainframe data product for DB2, IMS, VSAM, CICS and Adabas – used daily in many of the largest and most active mainframe database environments in the world.
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Commenting on a recent Economists article titled “The Return of the Mainframe,” Gregg Willhoit explains how IBM’s improvements for servicing the cloud have positively impacted the Progress DataDirect Shadow product. This podcast runs for 1:48.
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Gregg Willhoit:
I think that what IBM has done for cloud computing has impacted Progress DataDirect Shadow twofold. One [...]
Commenting on a recent Economists article titled “The Return of the Mainframe,” Gregg Willhoit explains the mainframe’s greatest challenges for servicing the cloud, and how IBM’s steps for servicing the cloud have improved the mainframe performance. This podcast runs for 3:11.
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Gregg Willhoit:
Quite interesting that the mainframe and its architecture, its virtualization capabilities are [...]
Commenting on a recent Attachmate Survey, Gregg Willhoit explains how lowering the total cost of ownership on the mainframe has helped IT pros justify mainframe modernizations with a service oriented architecture (SOA) approach. This podcast runs for 4:34.
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Gregg Willhoit:
There have been many advances in mainframe TCO with regard to modernizing applications [...]
Commenting on a recent Attachmate Survey, Gregg Willhoit explains why companies are opting to modernize their mainframe applications rather than replace them. This podcast runs for 4:54.
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Gregg Willhoit:
First of all, I think the Attachmate survey is really interesting, a lot of salient discussion about SOA and legacy modernization, and recommended [...]
Commenting on Dana Gardner’s Briefings Direct blog about freeing mainframe applications, Gregg offers his take on why it is wise to leave applications on the mainframe. This podcast runs for 3:15.
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Gregg Willhoit:
My take, if you will, on keeping applications on the mainframe, as opposed to moving them off, is quite simple. [...]
Gregg Willhoit comments on IBM’s response to the Neon zPrime product. The podcast lasts for 2:57.
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Gregg Willhoit:
First of all, I’m firmly in support of IBM and their goals that they originally had with the specialty engine, the openness with vendors, with ISVs, with regard to using the specialty engine. They [...]
In this podcast, Gregg Willhoit explains how Progress DataDirect customers take advantage of moving workloads beyond DB2 to the zIIP specialty engine, and do so risk free and worry free using DataDirect Shadow.
Gregg’s podcast runs for 5:22:
In this podcast, Gregg reflects on his presentation ‘Keeping it Legal, Techniques for Maximizing TCO with the zIIP’ at the CMG Technical Conference in Dallas. Gregg shares that the CMG audience supported IBM’s position and approved zIIP offload. Gregg continues that the participating audience hoped for additional transparency regarding who is offloading to the zIIP [...]
In this podcast Gregg Willhoit helps listeners understand IBM’s intent with its IFL, zAAP and zIIP Specialty Engines.
In this podcast Gregg Willhoit offers his take on IBM’s recent release of z/OS. This podcast last for 1:07.