"Service Oriented Architecture is a hot, but often misunderstood topic in IT today. Thomas articulately describes the concepts, specifications, and standards behind service orientation and Web Services. For enterprises adopting SOA, there is detailed advice for service-oriented analysis, planning, and design. This book is a must read!"i¾Alex Lynch, Principal Consultant, Microsoft Enterprise Services"One primary objective of applying SOA in design is to provide business value to the solutions we build. Understanding the right approach to analyzing, designing, and developing service-oriented solutions is critical. Thomas has done a great job of demystifying SOA in practical terms with his book."i¾Rick Weaver, IBM Senior Consulting Certified SW I/T Specialist"A pragmatic guide to SOA principles, strategy, and best practices that distills the hype into a general framework for approaching SOA adoption in complex enterprise environments." i¾Sameer Tyagi, Senior Staff Engineer, Sun Microsystems"A very timely and much needed contribution to a rapidly emerging field. Through clarifying the principles and nuances of this space, the author provides a comprehensive treatment of critical key aspects of SOA from analysis and planning to standards ranging from WS-specifications to BPEL. I'll be recommending this book to both clients and peers who are planning on embracing SOA principles."i¾Ravi Palepu, Senior Field Architect, Rogue Wave Software"Finally, an SOA book based on real implementation experience in production environments. Too many SOA books get lost in the technical details of Web Services standards, or simply repeat vendor hype. This book covers the really hard parts: the complex process of planning, designing and implementing service-oriented architectures that meet organizational goals. It is an essential companion to any software developer, architect, or project manager implementingi¾or thinking about implementingi¾a service-oriented architecture." i¾Priscilla Walmsley, Managing Director of Datypic"Thomas Erl's Service-Oriented Architecture: Concepts, Technology, and Design is as good an introduction to service-oriented architectures as one could wish for. In a single volume, it covers the entire topic, from theory to real-world use to technical details. The examples are superb and the writing is wonderfully clear." i¾Ronald Bourret, Author, "XML and Databases""Finally an SOA book which gets to the point with real world answers and examples. Erl guides you on a real world SOA journey. From architecture design to industry standards, this book is well written and can be easily referenced for everyday use. When embarking on your own service orientated adventures, this is the book you want in your bag." i¾Clark Sell, Vice President, CSell Incorporated"Organizations struggling to evolve existing service-oriented solutions beyond simple Web Services now have an expert resource available. Leading the way to the true service-oriented enterprise, Thomas Erl demystifies the complexities of the open WS-I standards with detailed practical discussions and case studies. Erl's depth and clarity makes this work a superb complement to his Field Guide." i¾Kevin P. Davis, PhD., Software Architect"This book is an excellent guide for architects, developers, and managers who are already working with or are considering developing Web Services or Service-Oriented Architecture solutions. The book is divided into four sections. In the first section the fundamental technologies of XML, Web Services and Service-Oriented Architectures are described in detail with attention given to emerging standards. The book is well written and very thorough in its coverage of the subject. I recommend this book highly to anyone interested in enterprise level service architectures."i¾Adam Hocek, President and CTO, Broadstrokes, Inc.Additional praise quotes are published at: www.soabooks.com/reviews.aspThe foremost "how-to" guide to SOAService-Oriented Architecture (SOA) is at the heart of a revolutionary computing platform that is being adopted world-wide and has earned the support of every major software provider. In Service-Oriented Architecture: Concepts, Technology, and Design, Thomas Erl presents the first end-to-end tutorial that provides step-by-step instructions for modeling and designing service-oriented solutions from the ground up.Erl uses more than 125 case study examples and over 300 diagrams to illuminate the most important facets of building SOA platforms: goals, obstacles, concepts, technologies, standards, delivery strategies, and processes for analysis and design.His book's broad coverage includes Detailed step-by-step processes for service-oriented analysis and service-oriented design An in-depth exploration of service-orientation as a distinct design paradigm, including a comparison to object-orientation A comprehensive study of SOA support in .NET and J2EE development and runtime platforms Descriptions of over a dozen key Web services technologies and WS-* specifications, including explanations of how they interrelate and how they are positioned within SOA The use of "In Plain English" sections, which describe complex concepts through non-technical analogies Guidelines for service-oriented business modeling and the creation of specialized service abstraction layers A study contrasting past architectures with SOA and reviewing current industry influences Project planning and the comparison of different SOA delivery strategies The goal of this book is to help you attain a solid understanding of what constitutes contemporary SOA along with step-by-step guidance for realizing its successful implementation.About the Web SitesErl's Service-Oriented Architecture books are supported by two Web sites. http://www.soabooks.com provides a variety of content resources and http://www.soaspecs.com supplies a descriptive portal to referenced specifications. i¾ © Copyright Pearson Education. All rights reserved.

Service-Oriented Architecture: Concepts, Technology, and Design

– The purpose of this paper is to integrate TAM model and TOE framework for cloud computing adoption at organizational level. , – A conceptual framework was developed using technological and organizational variables of TOE framework as external variables of TAM model while environmental variables were proposed to have direct impact on cloud computing adoption. A questionnaire was used to collect the data from 280 companies in IT, manufacturing and finance sectors in India. The data were analyzed using exploratory and confirmatory factor analyses. Further, structural equation modeling was used to test the proposed model. , – The study identified relative advantage, compatibility, complexity, organizational readiness, top management commitment, and training and education as important variables for affecting cloud computing adoption using perceived ease of use (PEOU) and perceived usefulness (PU) as mediating variables. Also, competitive pressure and trading partner support were found directly affecting cloud computing adoption intentions. The model explained 62 percent of cloud computing adoption. , – The model can be used as a guideline to ensure a positive outcome of the cloud computing adoption in organizations. It also provides relevant recommendations to achieve conducive implementation environment for cloud computing adoption. , – This study integrates two of the information technology adoption models to improve predictive power of resulting model.

Understanding determinants of cloud computing adoption using an integrated TAM-TOE model

In cloud computing, data owners host their data on cloud servers and users (data consumers) can access the data from cloud servers. Due to the data outsourcing, however, this new paradigm of data hosting service also introduces new security challenges, which requires an independent auditing service to check the data integrity in the cloud. Some existing remote integrity checking methods can only serve for static archive data and, thus, cannot be applied to the auditing service since the data in the cloud can be dynamically updated. Thus, an efficient and secure dynamic auditing protocol is desired to convince data owners that the data are correctly stored in the cloud. In this paper, we first design an auditing framework for cloud storage systems and propose an efficient and privacy-preserving auditing protocol. Then, we extend our auditing protocol to support the data dynamic operations, which is efficient and provably secure in the random oracle model. We further extend our auditing protocol to support batch auditing for both multiple owners and multiple clouds, without using any trusted organizer. The analysis and simulation results show that our proposed auditing protocols are secure and efficient, especially it reduce the computation cost of the auditor.

/pdf/an-efficient-and-secure-dynamic-auditing-protocol-for-data-4cax1mxzdw.pdf

An Efficient and Secure Dynamic Auditing Protocol for Data Storage in Cloud Computing

Cloud computing has become a significant technology trend Experts believe cloud computing is currently reshaping information technology and the IT marketplace The advantages of using cloud computing include cost savings, speed to market, access to greater computing resources, high availability, and scalability Handbook of Cloud Computing includes contributions from world experts in the field of cloud computing from academia, research laboratories and private industry This book presents the systems, tools, and services of the leading providers of cloud computing; including Google, Yahoo, Amazon, IBM, and Microsoft The basic concepts of cloud computing and cloud computing applications are also introduced Current and future technologies applied in cloud computing are also discussed Case studies, examples, and exercises are provided throughout Handbook of Cloud Computing is intended for advanced-level students and researchers in computer science and electrical engineering as a reference book This handbook is also beneficial to computer and system infrastructure designers, developers, business managers, entrepreneurs and investors within the cloud computing related industry

Handbook of Cloud Computing

Green IT (information technology) has recently emerged into an active research area in the information systems (IS) discipline. A major gap that exists in the Green IT research literature today is the absence of a theoretical framework that can be used to assist organizations in assessing their potential for undertaking Green IT initiatives and implementing them via modern technological means such as virtualization. This study attempts to bridge this gap by developing and proposing an integrative framework which focuses on identifying and examining the factors that contribute to the assessment of a firm's readiness to go green via IT-enabled virtualization. The framework is firmly grounded using three well-established IS theories: (a) technology-organization-environment, (b) process-virtualization, and (c) diffusion of innovation. It integrates these three theoretical lenses to utilize the strengths of each for assessing the potential for undertaking Green IT initiatives and the stages of Green IT implementation at the organizational level. The implications of the outcome of this study, both for the IS researchers and for the practicing managers are discussed. The plan for empirical testing and validation of our propositions is presented, as well as suggestions for future extensions of this study.

/pdf/integrative-framework-for-assessing-firms-potential-to-4alh32ip14.pdf

Integrative framework for assessing firms' potential to undertake Green IT initiatives via virtualization - A theoretical perspective

Reduce the environmental and budgetary impact of your IT infrastructure

This groundbreaking work offers a complete roadmap for integrating environmentally sound techniques and technologies into your Information Systems architecture. Green IT explains how to adopt a business-driven green initiative and provides a detailed implementation plan. You will find strategies for reducing power needs, procuring energy from alternative sources, utilizing virtualization technologies, and managing sustainable development. Case studies highlighting successful green IT projects at major organizations are included. Keep your IT department and your organization in the green--both environmentally and financially--with help from this comprehensive guide.

Work within current global initiatives and standards for e-waste
Minimize power usage and use alternative cooling methods in your datacenter
Transition your office into a paperless environment
Equip your organization with green hardware, including EPEAT-, RoHS-, and ENERGY STAR-certified machines
Implement efficient datacenter design in terms of energy consumption, cooling, server configuration, consolidation, cabling, redundancy, and more
Virtualize servers and storage using the latest technologies from VMware, Microsoft, Compellent, Incipient, and others
Measure existing datacenter efficiency using current metrics, and track progress with Business Intelligence tools
Establish a green supply chain
Explore the Software as a Service (SaaS) model 
Manage ongoing compliance and sustainable growth 


Table of contents
Part I: Trends and Reasons to Go Green
Chapter 1. Overview and Issues
Chapter 2. Current Initiatives and Standards
Part II: Consumption Issues
Chapter 3. Minimizing power usage
Chapter 4. Cooling
Part III: What You Can Do
Chapter 5. Changing the Way We Work
Chapter 6. Going Paperless
Chapter 7. Recycling
Chapter 8. Hardware Considerations
Part IV: Case Studies
Chapter 9. Technology Businesses
Chapter 10. Other Organizations
Part V: The Greening Process
Chapter 11. Datacenter Design and Redesign
Chapter 12. Virtualization
Chapter 13. Greening Your Information Systems
Chapter 14. Staying Green

Green IT: Reduce Your Information System's Environmental Impact While Adding to the Bottom Line

From the Publisher:
Learn the basics of optical networking using this practical and easy-to-follow introductory guide. You'll get an overview of concepts behind the technology,as well as helpful information on Cisco,Nortel,and Juniper certifications. Also,a handy 16-page blueprint section offers additional visual instruction. 
Get a solid introduction to optical networking with this up-to-date guide Get up to speed on optical networking technologya still-emerging field of high-speed data transmissionusing this clearly written introductory resource. Packed with hundreds of figures and illustrations depicting current optical network designs and concepts,this book not only thoroughly explains the basics but also puts just-learned information into a visual context. Covering everything from hardware and software products to SONET and Dense Wave Division Multiplexing (DWDM),this book explores a wide range of topics in a style that's easy to understand. And it contains details relating to optical products from leading companies including Cisco,Juniper,and Nortel. If you're looking for in-depth information on the theories behind optical networkingas well as practical details on working with the technologythis book is your ideal resource. 

Learn the differences between optical and electrical signalsDiscover how the need for high-speed optics developedFind out about leading vendorsCisco,Juniper,Nortel,and othersand their top productsUnderstand how optical routing and switching workGet tips and techniques for managing optical networksMaintain and tune an optical network for maximum performanceRecognize the various types andcapabilities of fiber cablingGet details on common security procedures and protocols

Optical Networking: A Beginner's Guide

Cisco: A Beginner's Guide

Your quick-and-easy reference to 802.11 WLAN components and protocolsi? Access wireless Cisco product information, including coverage on wireless client adapters and IP phones Learn the ideal configuration of access points, bridges, antennas, and routers for your specific situation Integrate a Cisco solution with various wireless networking gear Configure and troubleshoot access points and client devices promptly Optimize, secure, and tune your WLAN by following helpful tips and hints Refer to charts and tables that both network beginners and professionals can easily scan Make the right decision about your organization's wireless network with quick leverageWhether you are a network engineer, network administrator, business decision maker, or student, you know that wireless networking capabilities are an increasingly essential part of your purchasing and implementing decisions. You want the most out of your wireless gear, but memorizing every product and protocol is daunting when faced with a myriad of solutions and options. Now, you can turn to Cisco 802.11 Wireless Networking Quick Reference, a time-saving tool for the office, field, or classroom lab, when you need a memory-refresher or a quick-tip guide on maximizing your wireless network.If you work on a wireless network using Cisco® technologies, keep this book within reach. Compact and convenient, this concise reference can be browsed occasionally or consulted regularly for a glance at a technical specification or that elusive command argument. Divided into three easy-to-follow sections, Part I describes and provides ways for Cisco wireless LAN (WLAN) equipment offerings to be integrated into an existing network. Part II covers how to configure access points and clients and how to set up and manage a secure wireless network. Lastly, Part III shows you how to maintain a wireless network and troubleshoot common wireless issues. Meant to be used in a hands-on capacity, this transportable guide is a practical tool when performing a variety of tasks on your wireless network.This book is part of the Networking Technology Series from Cisco Press®, which offers networking professionals valuable information for constructing efficient networks, understanding new technologies, and building successful careers.

Cisco 802.11 Wireless Networking Quick Reference

Get started using Cisco technologies quickly and easily 

Here is a fully updated edition of the bestselling introductory guide to Cisco products and technologies. Cisco: A Beginner's Guide, Fourth Edition provides you with a practical hands-on resource for successfully designing and managing a Cisco network. Learn to work with Cisco routers and switches, wireless technologies, and storage tools. You'll also get full details on network security, including firewalls, as well as communications solutions such as VoIP. This is a must-have resource for anyone interested in internetworking and Cisco technologies. 

Work with Cisco's Internet technologies 
Configure Cisco routers and networks
Understand Cisco internetworking technologies including LAN switches, multilayered switching, and VLANs
Secure your network using CiscoSecure ACS, Cisco PIX firewall, IOS Firewall, and other methods 
Enable wireless internetworking using the Cisco Aironet and Airespace products
Deploy VoIP via Cisco Unified Communications
Implement Cisco storage area network (SAN) and content delivery network (CDN) solutions 
Use both open standard routing protocols (RIP, OSPF, BGP) and Cisco-proprietary protocols (IGRP and EIGRP)
Design, manage, and troubleshoot a robust Cisco network


 

Table of contents

Part I: Cisco Overview
Ch. 1: Cisco and the Internet
Ch. 2: Network Primer
Part II: Cisco Internetworking Tools
Ch. 3: Router Overview
Ch. 4: Configuring Routers
Ch. 5: Switches
Ch. 6: Security Overview
Ch. 7: Security Building Blocks
Ch. 8: Cisco Wireless Solutions
Part III: Cisco Business Solutions
Ch. 9: Cisco Unified Contact Center
Ch. 10: Storage Tools
Ch. 11: Cisco Content Networking and Video Solutions
Part IV: Designing Cisco Networks
Ch. 12: Routing Protocols
Ch. 13: Network Management
Ch. 14: Network Design Process
Ch. 15: Troubleshooting Cisco Networks
INDEX

Cisco: A Beginner's Guide, Fourth Edition

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