On 5/16/2019 12:01 PM, Frank Swarbrick wrote:
Don't really know anything about this, but does anyone know what advantage there is to running a Docker container on z/OS over just running it Linux for Z? Is it just for those who don't have Linux for Z but want to run Linux applications on the mainframe? Does it allow "direct access" to z/OS resources (databases, CICS, etc.)?
Suppose your z/OS-resident application wants to access a microservice that runs on Linux? Do you want the request to go off platform, across interfaces you don't necessarily trust, into systems whose performance characteristics you don't necessarily understand, and whose maintenance schedules and downtime philosophies might not align with yours? Or would you prefer bullet-proof, secure, z/OS performance and infrastructure behind that microservice so you know it will be there when you need it -- guaranteed? I know what my answer is...
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