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Joseph Gulla

Joseph Gulla




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Recent Posts

  • IT Trendz is still going, check our new website for the most recent posts.
    August 19, 2019
  • Valuable Sessions Continue on Day 2 of the 2019 ECC Conference
    July 22, 2019
  • Healthcare, Diversity and the Moon Landing: Welcome to Day 1 of the 2019 ECC Conference
    July 17, 2019
  • An Overview of the 2019 ECC Conference
    July 8, 2019
  • A Look at the IBM Global Solutions Directory
    July 1, 2019
  • Two Views of Application Management

    This post is the third in a series about the management of IT systems. The first and second in the series were about systems and network management. The focus of this post is application management and how it has two different expressions in IT.

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    Posted: May 18, 2015 |

    Network Management

    This post is the second in a series about the management of IT systems. The first, Systems Management, was broadly about areas of concentration including fault, configuration, change, performance and capacity management. The focus of this post is networks and the important activities and tools associated with network management.

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    Posted: May 11, 2015 |

    Systems Management

    This post is the first in a series about the management of IT systems, network, applications and emerging technologies like cloud. In this post I will discuss systems management.

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    Posted: May 4, 2015 |

    Logical Partitions

    In this post, I will discuss logical partitions called LPARs and describe how LPARs and VMs are often mixed in enterprise computing configurations to meet the business needs of a company. In my previous post, I wrote about VMs and how they are part of the vocabulary in IT. LPARs are no less pervasive in use but perhaps a bit more behind the scenes on z Systems computers. Let me explain.

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    Posted: April 27, 2015 |

    Virtual Machines

    VMs are now part of the vocabulary of many in IT. VMs are ubiquitous from mainframes to desktops and everywhere in between. What are VMs and where did they come from? That is the subject of this post.

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    Posted: April 13, 2015 |

    Virtual Storage and Access Methods

    Ever wonder why we have so many access methods with names like QSAM, BDAM, VSAM and VTAM? This topic will be explored in this post with a focus on the access methods that were designed to make use of virtual storage.

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    Posted: April 6, 2015 |

    Virtual Storage—A Long-Lasting Invention

    In this post, I will begin an exploration of IT virtualization. Specifically, I am writing about the importance of different aspects of virtualization in today’s computers. Since virtualization is a built-in part of every computer we use, we don’t discuss it that often. Frankly, it is a very important invention that we simply take for granted and perhaps that is how it should be.

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    Posted: March 30, 2015 |

    IT Service—Software and Business Process Services

    In this post, I explore software as a service (SaaS) and business process as a service (BPaaS). In the last post, I discussed IaaS, which provides infrastructure combined with services for use by a community of computer users. I also discussed platform services, which build upon IaaS and supply more support and software in a context like facilitating database processing or enabling software development. Platform services are very useful and in some cases provide the underpinning for SaaS or BPaaS. Let me explain.

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    Posted: March 23, 2015 |

    IT Service—Infrastructure and Platform Services

    In this post, I explore infrastructure and platform services, which are written about mostly in regards to cloud computing. First, let me recap—since Feb. 16, I have been writing about different kinds of IT services. The IT service is one of these interesting and useful concepts regarding a collection of things to be taken as a whole. IT service management, managed services, service oriented architecture, infrastructure as a service and platform as a service are all kinds of IT services different as they are. This post is a continuation in this series.

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    Posted: March 16, 2015 |

    IT Service—Five Questions For SOA

    In this post, I explore service oriented architecture (SOA) using five questions designed to give you deeper insights into SOA. The questions focus on design, coding, security, manageability and governance.

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    Posted: March 9, 2015 |

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