Tuesday Jul 23, 2013

Cloud Computing Concepts, Technology & Architecture

Cloud Computing: Concepts, Technology & ArchitectureDuring my holiday I read a book on “Cloud Computing: Concepts, Technology & Architecture". I found this book as an excellent resource for IT professionals and managers who want to learn and understand cloud computing, and who need to select or build cloud systems and solutions. It lays the foundation for cloud concepts, models, technologies and mechanisms. As the book is vendor-neutral, it will remain valid for many years. I will recommend this book to Oracle customers, partners and users for their journey towards cloud computing. This book has the potential to become the basis for a cloud computing manifesto, comparable to what was accomplished with the SOA manifesto - Jürgen Kress.

Clouds are distributed technology platforms that leverage sophisticated technology innovations to provide highly scalable and resilient environments that can be remotely utilized by organizations in a multitude of powerful ways. To successfully build upon, integrate with, or even create a cloud environment requires an understanding of its common inner mechanics, architectural layers, and models, as well as an understanding of the business and economic factors that result from the adoption and real-world usage of cloud-based services.

In Cloud Computing: Concepts, Technology & Architecture, Thomas Erl, one of the world's top-selling IT authors, teams up with cloud computing experts and researchers to break down proven and mature cloud computing technologies and practices into a series of well-defined concepts, models, technology mechanisms, and technology architectures, all from an industry-centric and vendor-neutral point of view. In doing so, the book establishes concrete, academic coverage with a focus on structure, clarity, and well-defined building blocks for mainstream cloud computing platforms and solutions.

Subsequent to technology-centric coverage, the book proceeds to establish business-centric models and metrics that allow for the financial assessment of cloud-based IT resources, and their comparison to those hosted on traditional IT enterprise premises. Also provided are templates and formulas for calculating SLA-related quality-of-service values and numerous explorations of the SaaS, PaaS, and IaaS delivery models.

With over 260 figures, 29 architectural models, and 20 mechanisms, this indispensable guide provides a comprehensive education of cloud computing essentials that will never leave your side.

The book is available at Service Tech Books or at Amazon. Looking for additional SOA books or if you have published a book, please feel free to add it to our publications wiki!

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Friday Aug 05, 2011

Swarm Computing – Next Generation Clouds and the Role of SOA – my presentation from the SOA & Cloud Symposium

If you had not to chance to attend the SOA & Cloud Symposium you can now watch the key presentations at InfoQ


My presentation at the SOA & Cloud Symposium website and as a video at the InfoQ website. Joe McKendrick with a nice summery and feedback. If you like to present at future events check out our SOA call for papers wiki

Presentation abstract

We either use public clouds, for example Amazon EC2, most times for training or development purposes. These environments are only used for a limited time frame. The second cloud models are private clouds, used by corporations in their own datacenters to increase the utilization of their servers across multiple applications.

Today, we use either private or public clouds for certain use cases. To enable a wider adoption of business solutions, hybrid clouds will be the future model. Key will be integration, as well on the data level, the service level and the process level. Processes might start in a private cloud continue in a public cloud and will be completed in a private cloud.

For example, a rental car company (RYLC) starts a promotion for convertibles on their SaaS solution, in their legacy system new promotion and price is added to the financial system. A customer rents the promotional convertible in the public cloud online store. The order is processes and billed from the private cloud system. In this case SOA will be the key enabler for:

-SOA Integration: Integration on all levels will be key, to integrate data, services and processes between legacy systems, private cloud systems and public cloud systems to hybrid systems.
-BPMN process change: Processes based on BPMN 2.0 across hybrid clouds can be adopted by the business owner to respond on flexible business requirements.
-Middleware and SOA Governance enable atomic, loosely coupled participants.

With the RYLC example we will demonstrate many examples in a show case using various technologies including open source. Lastly we will discuss, swarm computing, a future cloud solutions. Today cloud systems are often limited to a small number of use cases e.g. test system or training systems. For a wider business adoption more intelligent systems are required. Meta data and ontology’s will be the enabler for intelligent systems which interconnect with each other.

What are your thoughts on SOA and Cloud computing? Share your comments!

For more information become a member of the SOA Partner Community please register at http://www.oracle.com/goto/emea/soa

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