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In many cases, the end of the year gives you time to step back and take stock of the last 12 months. This is when many of us take a hard look at what worked and what did not, complete performance reviews, and formulate plans for the coming year. For me, it is all of those things plus a time when I u...
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Mainframe: A Resilient Model for the Modern Cloud
The emerging cloud-based model of computing requires systems that can provide fast response times to huge volumes of requests

Technology is moving at a blistering pace. In today's era of data-centric, complex environments where the lines between business and technology are becoming increasingly blurred, organizations are moving beyond virtualization to cloud computing to meet new challenges and keep up with the pace of change. Critical investments are needed to keep companies competitive, and chief among these technologies is cloud computing. In fact, Gartner expects cloud computing to become the bulk of new IT expenditure by 2016. The bottom line is, if you're not already looking at cloud as an essential investment, you're risking your survival into the next era of computing.

The emerging cloud-based model of computing requires systems that can provide very fast response times to huge volumes of requests. And, mission critical services such as healthcare, finance, transportation, public utilities, and other industries require very high levels of availability, security and other industrial-strength capabilities. Those attributes, qualities and requirements make the mainframe the ideal platform for such mission critical cloud-based workloads.

Cloud computing is a modern extension of a concept first developed nearly 50 years ago with the mainframe. The inherent spirit behind mainframe based computing was to serve users in remote locations at the same time, on a pay-as-you-go basis. The mainframe was introduced as the most robust, scalable system ever built, and with continued innovation the system has maintained its leadership status as one of the platforms of choice to handle today's complex workloads including sophisticated public, private and hybrid cloud computing environments. At its core, the mainframe was designed around three key traits - virtualization, standardization and provisioning. Not coincidentally, these are the foundational requirements for true cloud implementation.

Most enterprises today started their cloud journey with low-risk applications and high agility requirements. This approach allows customers to ease into cloud computing, learn and adjust their management of the cloud, and build the confidence to introduce more demanding applications.  The applications tend to use web technologies and architectures that can be scaled on commodity infrastructures, using load balancing and service cloning. Batch workloads that fit with commodity infrastructures are another popular workload on clouds.

For private, public or hybrid clouds, the mainframe can provide the following key requirements:

  • Scalability - users need to scale quickly and efficiently both up and down with complete confidence and zero loss of availability.
  • Reliability - a cloud computing environment that is always accessible with guaranteed application performance, limited to no downtime with provisions for rapid recovery from failure.
  • Multi-Tenancy - allowing multiple users to access software applications on the same system, concurrently and securely, critical for cloud service providers hosting many organizations in a single cloud infrastructure and for enterprises deploying private clouds to manage growth through acquisitions to host multiple companies in the same infrastructure;
  • Cost Efficiency - consolidating a distributed x86 cloud environment onto one mainframe creates a simplified, more efficient environment with reductions in floor space and power requirements, and higher return on investment over the life of the platform;
  • Security - the mainframe has unmatched system security with ensured isolation and protection of each virtual server environment.

Companies across various industries are gaining these advantages and efficiencies by consolidating cloud environments on a mainframe, such as:

By consolidating cloud on a mainframe private cloud solution that replaced thousands of standalone servers for its daily business activities like policy verification, claims processing, and generating customer quotations, Nationwide Insurance has saved 80% in energy and facility costs. The consolidation saved the company roughly $15 million over three years and will only continue to efficiently keep costs down in the future. Additionally, this solution gives them the capacity, processing speeds and reliability to increase the pace of innovation across its products and channels as it continues to grow.

By leveraging the cloud capabilities offered by the mainframe, Marist College was able to extend its business analytics technology to its academic community including researchers and students, while extracting even more value from its IT investments. By providing its analytics technology via cloud, the college has been able to expose analytics tools to a wide variety of programs, including technical disciplines and also business, liberal arts and communications programs so students learn how to apply it to their fields of study. Marist has also realized significant financial benefits, saving roughly $350,000 by using the cloud to support the college's ERP system.

The mainframe, with its shared platform, integration, and secure design attributes combined with continuous innovation, has enabled organizations to stay ahead of changing market dynamics with a solution that embodies efficiency, economics and agility - a resilient solution for today's cloud environment.

About Jose Castano
Jose Castano is the Director for the System z Growth Initiatives in IBM’s Systems & Technology Group. He has over 25 years of experience within IBM and has held multiple key positions in System z during this tenure.

Jose has worldwide responsibility to drive new workloads on System z. This includes Cloud, Analytics, Mobile, and Security He sets the business and technical strategy and direction for the System z platform. He drives coordination and collaboration of the System z ecosystem, from marketing, sales, business partners, consultants, and most importantly customers; leading the platform through an evolution that maintains leadership and meets customer and industry requirements.

Jose has a team comprised of workload and industry architects (who focus on business trends, market and industry requirements and develop solutions/offerings). Offering managers (who are responsible for the GTM for the solutions/offerings) and ISV managers (who work with our ecosystem to support new and existing workloads). Together, these teams have responsibility for researching, designing, building and maintaining the new workload strategy and its roadmap for IBM System z, driving the plans for the next 3-5 years.

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