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 use 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 more than 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.

     America's next major war is likely to be provoked by a cyber attack. From well-covered stories like the Stuxnet virus, which helped slow Iran's nuclear program, to lesser-known tales like EternalBlue, the 2017 cyber battle that closed hospitals in Britain and froze shipping crates in Germany in midair, we have entered an age in which online threats carry real-world consequences. But we do not have to let autocrats and criminals run amok in the digital realm. We now know a great deal about how to make cyberspace far less dangerous--and about how to defend our security, economy, democracy, and privacy from cyber attack.This is a book about the realm in which nobody should ever want to fight a war: The Fifth Domain, the Pentagon's term for cyberspace. Our guides are two of America's top cybersecurity experts, seasoned practitioners who are as familiar with the White House Situation Room as they are with Fortune 500 boardrooms. Richard A. Clarke and Robert K. Knake offer a vivid, engrossing tour of the often unfamiliar terrain of cyberspace, introducing us to the scientists, executives, and public servants who have learned through hard experience how government agencies and private firms can fend off cyber threats.Clarke and Knake take us inside quantum-computing labs racing to develop cyber superweapons; bring us into the boardrooms of the many firms that have been hacked and the few that have not; and walk us through the corridors of the U.S. intelligence community with officials working to defend America's elections from foreign malice. With a focus on solutions over scaremongering, they make a compelling case for "cyber resilience"--building systems that can resist most attacks, raising the costs on cyber criminals and the autocrats who often lurk behind them, and avoiding the trap of overreaction to digital attacks.Above all, Clarke and Knake show us how to keep The Fifth Domain a humming engine of economic growth and human progress, not give in to those who would turn it into a wasteland of conflict. Backed by decades of high-level experience in the White House and the private sector, this book delivers a riveting, agenda-setting insider look at what works in the struggle to avoid cyberwar.