Mainframe Training Services
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Mainframe Training Services |
| Knowledge Transfer | Web-based Training Services | Delivery Medium |
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z/OS Operating System - Web Services and 64-bit Memory Support The role of the z/OS operating has evolved and is being extended for use with web-based architectures and distributed applications. A web service is a self-describing code which discovers and communicates with other components using web-based communications in a standardized way. A web service provider can then respond to a web service consumer. The IBM mainframe environment has a large body of applications which can be converted into web services. The mainframe operating system and inventory of applications provides security, business compliance, and unified data management. Web-servicization can be used to integrate with other platforms and applications. Web services and SOA: Service Oriented Architecture strategies require the mainframe to deliver the benefits of web services' benefits. With the continued movement towards web-servicization of mainframe applications and infrastructure software, the mainframe will become a new type of hub responsible for maintaining a company-wide directory, manage single sign-on, and workload balancing. IBM has been phasing out support for tri-modal addressing. Up through z/OS Version 1.5, the z/OS operating system could start in either 31-bit ESA/390 or 64-bit z/Architecture mode. This allowed the operating system to function on older hardware albeit without 64-bit application support. Only z/Architecture hardware manufactured after the year 2000 can run 64-bit code. IBM support for z/OS 1.5 ended on March 31, 2007. In 2011, the z/OS operating system is only supported on z/Architecture mainframes and runs exclusively in 64-bit mode. The z/Architecture hardware starts running in 31-bit mode; current z/OS releases then switch to 64-bit mode and will not run on hardware which does not support 64-bit mode. Application development can still be performed using any addressing mode. All applications, regardless as to addressing modes, can coexist without modification. IBM continues to support and maintain a significant degree of control on tri-modal backward compatibility through its WebSphere MQ middleware. However, there are third party middleware products which require 64-bit mode. Within each address space, z/OS only supports the placement of data above the 2GB "bar," not code. This distinction is enforced primarily for performance reasons. There are no architectural impediments for allowing more than 2GB of application code per address space. There are three types of large memory objects:
IBM allows Java code to execute above the 2GB bar. Memory is obtained as large memory objects in multiples of 1 MB.
Modernizing Legacy Application Infrastructures Service Oriented Architecture functions both as a software development environment and a delivery framework. SOA provides an opportunity to leverage the investment in mainframe information technology environment: accessing corporate data, exposing business processes embedded within applications, and modernizing interfaces. It is a mechanism for defining business services and operating models as an information technology infrastructure to meet operational requirements. As a repository of business processes, legacy mainframe systems contain significant value which can be shared by as processes across the enterprise. In a SOA environment, network nodes makes resources available to other network participants as independent services, which participants can access in a standardized way through well-defined service interfaces. Most back-end applications and data stores currently reside on the mainframe. Successful execution of an SOA strategy can bring significant value and return on investment by: 1- Leveraging existing
software assets to create new applications. 2- Enabling business processes to be modified without rewriting code. 3- Providing interoperability with modern web-based systems and extending the practical life of legacy routines
and processes. Given SYS-ED's first generation and multidisciplinary experience with the Java language, IBM - VisualAge, WebSphere, and Rational and interrelated areas of software technology - Oracle and WebLogic, it has been a natural progression for SYS-ED to specialize in SOA: Service Oriented Architecture. We offer both industry standard courses and educational consultancy. Staff members are recognized experts on WebSphere MQ middleware and DB2 UDB. Impartial guidelines are provided for upgrading to web-browser user interfaces and web service front-ends. It is standard policy for SYS-ED to tailor our mainframe training service to include project specifications and client-specific exercises; we refer to it as educational consultancy.
Few independent training companies offer the mainframe courses and integrated mainframe entry level, programming languages, and system software training that SYS-ED does. Our clients are Fortune 1000 corporations, government municipalities, and healthcare providers. SYS-ED mainframe courseware library spans the onset of modern data processing and includes examples, training aids, case studies, skeleton programs, and industry-specific exercises. The classic principles of adult learning have been applied to subject matter, interpreting and translating subject matter into performance objectives, narrative descriptions, and diagrams which explain the design, program logic and underlying architecture. The courseware has been designed to utilize a variety of presentation formats: textual, tabular, diagrammatic, bullet point, and code snippets. Our courseware library has been incrementally augmented, revised, and maintained.
The initial courseware which has been expanded into a learning center format is:
As part of presenting an instructor-led information technology training program, courseware is evaluated and organized for subsequent use in a web-based infrastructure and delivery medium. This service is provided free of charge. |
Information Technology in Transition
Alternative to the Training
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Web-based Training Services SYS-ED has extended its instructor-led mainframe courses to distance-learning format. Client organizations are presented with a palette of medium to select from in order to address operational and time compression requirements. It is SYS-ED policy to modify our courseware for utilization into a distance-learning format or to a client-specific authoring system. SYS-ED's distance-learning training service is 65% lecture with the remaining 35% of the service provided in the form of hands-on exercises, scheduled interactive question and answer sessions, and optional validation assessment. Enrollment is contingent upon the prospective trainee's having been qualified by our Director of Education to have the appropriate background for the training and review of a checklist of items required for transmission of the service to the client location: bandwidth, firewall, base operating system, software requirements, web browser, and set-up of hands-on machine exercises. Alternative web-based and e-learning training is available: self-paced, presentation through the client's authoring system, or podcast. These tailored services are offered selectively. For organization’s which have a requirement for their own employees to teach mainframe subject matter or the need to have content available for presentation through a web-based learning medium, we will tailor and license our courseware. Course titles, subject matter, duration, along with integrated learning paths can be reviewed from SYS-ED software specific mainframe websites. |
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Mainframe Training: History of Excellence
Client Site Mainframe Training - 1980's
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So when it comes to your mainframe training needs, by all means contact IBM and review their course outlines and performance objectives. And then contact SYS-ED, dshapiro@sysed.com or dsilverberg@sysed.com.
SYS-ED mainframe courses are NOT open to the general public. Only employees sponsored by Fortune 1000 corporations, government municipalities, healthcare providers, consulting companies, and mid-sized businesses are allowed to enroll in a SYS-ED course and ONLY after a telephone consultation with our mainframe systems consultant/curriculum manager. This is essential for ensuring that the individual be placed in the course which corresponds to the employer’s operational objectives, operating environment, version of software, and development platform.
| SYS-ED's categorized and software specific websites compile, organize, and present software specific and established operational categorizations of information technology. They provide a framework for assessing knowledge transfer in a variety of delivery formats: web-based training, classroom instruction, technology updates, courseware, training aids, learning paths, and validation assessment. | ||
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