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Cutter IT Journal Cutter The Journal of IT Journal Information Technology Management Vol. 26, No. 3 March 2013 “Cloud service providers, the IT industry, professional The Emerging Cloud Ecosystem: and industry associations, governments, and IT pro- Innovative New Services and fessionals all have a role to Business Models play in shaping, fostering, and harnessing the full potential of the emerging cloud ecosystem.” Opening Statement — San Murugesan, by San Murugesan . 3 Guest Editor Merging IaaS with PaaS to Deliver Robust Development Tools by Beth Cohen . 6 Intrusion Detection as a Service (IDaaS) in an Open Source Cloud Infrastructure by John Prakash Veigas and K Chandra Sekaran . 12 Cloud Ecology: Surviving in the Jungle by Claude R. Baudoin . 19 The Promise of a Diverse, Interoperable Cloud Ecosystem — And Recommendations for Realizing It by Kathy L. Grise . 26 NOT FOR DISTRIBUTION For authorized use, contact Cutter Consortium: +1 781 648 8700 [email protected] Cutter IT Journal About Cutter IT Journal Cutter IT Journal® Cutter Business Technology Council: Part of Cutter Consortium’s mission is to Cutter IT Journal subscribers consider the Rob Austin, Ron Blitstein, Tom DeMarco, Lynne Ellyn, Israel Gat, Vince Kellen, foster debate and dialogue on the business Journal a “consultancy in print” and liken Tim Lister, Lou Mazzucchelli, technology issues challenging enterprises each month’s issue to the impassioned Ken Orr, and Robert D. Scott today, helping organizations leverage IT for debates they participate in at the end of Editor Emeritus: Ed Yourdon competitive advantage and business success. a day at a conference. Publisher: Karen Fine Coburn Cutter’s philosophy is that most of the issues Group Publisher: Chris Generali that managers face are complex enough to Every facet of IT — application integration, Managing Editor: Karen Pasley merit examination that goes beyond simple security, portfolio management, and testing, Production Editor: Linda M. Dias Client Services: [email protected] pronouncements. Founded in 1987 as to name a few — plays a role in the success American Programmer by Ed Yourdon, or failure of your organization’s IT efforts. Cutter IT Journal® is published 12 times a year by Cutter Information LLC, Cutter IT Journal is one of Cutter’s key Only Cutter IT Journal and Cutter IT Advisor 37 Broadway, Suite 1, Arlington, MA deliver a comprehensive treatment of these venues for debate. 02474-5552, USA (Tel: +1 781 648 critical issues and help you make informed 8700; Fax: +1 781 648 8707; Email: The monthly Cutter IT Journal and its com- decisions about the strategies that can [email protected]; Website: panion Cutter IT Advisor offer a variety of improve IT’s performance. www.cutter.com; Twitter: @cuttertweets; perspectives on the issues you’re dealing with Facebook: Cutter Consortium). Print Cutter IT Journal is unique in that it is written ISSN: 1522-7383; online/electronic today. Armed with opinion, data, and advice, ISSN: 1554-5946. you’ll be able to make the best decisions, by IT professionals — people like you who ©2013 by Cutter Information LLC. employ the best practices, and choose the face the same challenges and are under the All rights reserved. Cutter IT Journal® same pressures to get the job done. Cutter right strategies for your organization. is a trademark of Cutter Information LLC. IT Journal brings you frank, honest accounts No material in this publication may be Unlike academic journals, Cutter IT Journal of what works, what doesn’t, and why. reproduced, eaten, or distributed without doesn’t water down or delay its coverage of written permission from the publisher. timely issues with lengthy peer reviews. Each Put your IT concerns in a business context. Unauthorized reproduction in any form, Discover the best ways to pitch new ideas including photocopying, downloading month, our expert Guest Editor delivers arti- electronic copies, posting on the Internet, cles by internationally known IT practitioners to executive management. Ensure the success image scanning, and faxing is against the that include case studies, research findings, of your IT organization in an economy that law. Reprints make an excellent training and experience-based opinion on the IT topics encourages outsourcing and intense inter- tool. For information about reprints enterprises face today — not issues you were national competition. Avoid the common and/or back issues of Cutter Consortium pitfalls and work smarter while under tighter publications, call +1 781 648 8700 dealing with six months ago, or those that or email [email protected]. are so esoteric you might not ever need to constraints. You’ll learn how to do all this and Subscription rates are US $485 a year learn from others’ experiences. No other more when you subscribe to Cutter IT Journal. in North America, US $585 elsewhere, journal brings together so many cutting- payable to Cutter Information LLC. edge thinkers or lets them speak so bluntly. Reprints, bulk purchases, past issues, and multiple subscription and site license rates are available on request. Start my print subscription to Cutter IT Journal ($485/year; US $585 outside North America) SUBSCRIBE TODAY Name Title Request Online License Company Address Subscription Rates City State/Province ZIP/Postal Code For subscription rates for online licenses, contact us at [email protected] or Email (Be sure to include for weekly Cutter IT Advisor) +1 781 648 8700. Fax to +1 781 648 8707, call +1 781 648 8700, or send email to [email protected]. Mail to Cutter Consortium, 37 Broadway, Suite 1, Arlington, MA 02474-5552, USA. Opening Statement by San Murugesan, Guest Editor Driven by several converging and complementary A BIGGER CLOUD ECOSYSTEM IS ON ITS WAY factors, cloud computing is advancing as an IT service The cloud ecosystem has begun to evolve to provide delivery model at a staggering pace. It is also causing a vast array of services that support and aid in deploy- a paradigm shift in the way we deliver and use IT. Its ment of cloud-based solutions for a variety of applica- transformational potential is huge and impressive, and tions across many different domains. Further new types consequently cloud computing is being adopted by of cloud deployment, new models that deliver value- a spectrum of stakeholders — individual users, busi- added services, and new costing and business models nesses, educational institutions, governments, and are on the horizon. Besides cloud service providers and community organizations. It is also helping to close users, many new players that perform niche roles are the digital (information) divide. getting into the cloud arena. Cloud-based applications In order to successfully and fully embrace the promise are being widely adopted by individuals and businesses of clouds, adopters must, of course, use one or more in developed countries, and even more so in developing of the three foundational cloud services — software as economies such as India, South Africa, and China.1 a service (SaaS), infrastructure as a service (IaaS), and Governments in many countries are promoting adop- platform as a service (PaaS). But they must also address tion of clouds by businesses, particularly micro, small, several other related factors, including security, pri- and medium enterprises, as well as individuals. As a vacy, user access management, compliance require- result, a new bigger cloud ecosystem is emerging. ments, business continuity, and more. Furthermore, would-be adopters may have to use services from more than one service provider, aggregate those services, and Besides cloud service providers and users, integrate them with each other and with the organiza- many new players that perform niche roles tion’s legacy applications/systems. Thus they need to architect a cloud-based system to meet their specific are getting into the cloud arena. requirements. But special skills and experience are needed to do all this — skills that many cloud adopters wouldn’t have. A current snapshot of the cloud ecosystem reveals: To assist them in their transition to clouds and to allow n Cloud services. Besides the three foundational cloud them to focus on their core business, a cloud ecosystem services (SaaS, IaaS, and PaaS), new services include is emerging that aims to offer a spectrum of new cloud data as a service, desktop as a service, security as a services, including support services that augment, com- service, APIs as a service, backup as a service, dis- plement, and assist the popular SaaS, IaaS, and PaaS aster recovery as a service, storage as a service, test offerings. Investors, corporations, and startups are environment as a service, testing as a service, data eagerly investing in promising cloud computing analytics as a service, and science as a service. technologies and services in both developed and developing economies. n Cloud delivery models. These models include public clouds, private clouds, hybrid clouds, com- What are these new cloud services, and what are their munity clouds, personal clouds, multi-tiered clouds, business models? Who is offering them, and how do mega clouds (clouds of clouds), and microclouds. we evaluate them? How can cloud adopters leverage and benefit from these services? How will the cloud n Cloud players. Among these players are cloud ecosystem emerge in the next five years? These are service providers, cloud service users, cloud some of the key questions facing IT professionals, enablers, cloud aggregators, cloud brokers, cloud cloud adopters, and business executives.
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