Joseph Gulla

Joseph Gulla

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Recent Posts

  • Mobility: The Chicken or the Egg
  • APIs: The Chicken or the Egg
  • Cloud: The Chicken or the Egg
  • New Technology: B2B Innovations
  • Roots of New Technology
  • sig·nif·i·cance – JES as Early Batch Middleware

    It’s generally accepted that modern middleware came about because of the emergence of distributed computing systems. These new systems created a need for certain types of software that hadn’t existed before or existed mainly for internal use. This new software came about to support client-server computing. However, modern middleware software has firm roots in software that was developed for centralized computing. 

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    Posted: October 31, 2016 |

    sig·nif·i·cance – z/OS

    This week, I am continuing this series on significance (the quality of being worthy of attention or importance). For this post, I want to focus on z/OS, an OS that’s been used for more that 15 years and has it roots in predecessors from OS/390, MVS/ESA, MVS/SP, OS/VS 2, OS/VS1 and OS/360 (which first shipped in 1965). z/OS has been more than 50 years in the making with a huge investment of human computing resources and large and varied input from its users over the decades. 

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    Posted: October 24, 2016 |

    sig·nif·i·cance – Virtualization

    This week, I am continuing this series on significance (the quality of being worthy of attention or importance). For this post, I want to focus on virtualization.

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    Posted: October 17, 2016 |

    sig·nif·i·cance - COBOL

    This week, I am starting a new series on significance (the quality of being worthy of attention, importance). For the first in this new series, COBOL is my starting place.

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    Posted: October 10, 2016 |

    Internal Modernization of CICS and IMS TM

    This week, I’ll finish my exploration of IT modernization by writing about CICS and IMS Transaction Manager (TM). Both are powerful transaction environments with a long history of internal modernization. However, more than their history is their pursuit of powerful functionality, high performance and innovation. 

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    Posted: October 03, 2016 |

    Internal Modernization of DB2 and IMS DB

    This week, I’ll explore internal modernization by writing about change and growth that has happened to DB2 and IMS database (DB). When you read the different accounts of the history of these products, you can’t help but think of the number of individuals and teams involved and the dynamics and energy of their interactions. There are the development teams. They designed the initial functionality, then all the follow-on developments were taking place over decades while technology was constantly changing in and around them.

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    Posted: September 26, 2016 |

    Internal Modernization of COBOL, VSAM and DB2

    This week, I’ll explore the idea of internal modernization by writing about change and growth that has transformed legacy languages and files systems. Some modernization proponents say, “dump COBOL,” but are you aware of the internal modernization that has happened within COBOL over the decades? It’s an amazing story described in dozens of books written about COBOL over the decades.

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    Posted: September 19, 2016 |

    Modernizing Application Change

    This week, I’ll explore modernizing the way applications are created and supported through change management. Existing applications were created in one way—is this the way modernized applications should be changes and sustained in the future? 

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    Posted: September 12, 2016 |

    Modernizing the Data Repository of an Existing Application

    This week, I’ll focus on modernization by exploring replacing some or all of the files for an application with a database solution. Let’s see if and when this is a compelling idea.

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    Posted: September 05, 2016 |

    Modernization of Existing Application for Mobility

    This week, I’ll focus on mobility for existing applications like those that run under CICS. My question: how do you enable existing host applications to work with smartphones and tablets in addition to the web? It would be ideal if we could do this without changing the host application. Let’s see if that can be done.

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    Posted: August 29, 2016 |

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