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  • SOA Principles of Service Design
    SOA Principles of Service Design

    This is the eBook version of the printed book. If the print book includes a CD-ROM, this content is not included within the eBook version.“This book could be described as an encyclopedia of service design–Erl leaves nothing to chance. Indispensable.” –Steve Birkel, Chief IT Technical Architect, Intel Corp.   “An absolute pleasure to read…the best SOA book I’ve read. A book I would recommend to all of my colleagues; it provides much insight to the topics often overlooked by most books in this genre…the visuals were fantastic.” –Brandon Bohling, SOA Architecture and Strategy, Intel Corporation   “This book is a milestone in SOA literature. For the first time we are provided with a practical guide on defining service characteristics and service design principles for SOA from a vendor-agnostic viewpoint. It’s a great reference for SOA discovery, adoptions, and implementation projects.” –Canyang Kevin Liu, Principal Enterprise Architect, SAP Americas, Inc.   “I liked this book. It contains extremely important material for those who need to design services.” –Farzin Yashar, IBM SOA Advanced Technologies   “This book does a great job laying out benefits, key ideas and design principles behind successfully adopting service-oriented computing. At the same time, the book openly addresses challenges, risks and trade-offs that are in the way of adopting SOA in the real-world today. It moves away from ivory-tower views of service orientation, but still lays out a strong vision for SOA and outlines the changes necessary to realize the full potential.” –Christoph Schittko, Senior Architect, Microsoft   “I recommend this book to any SOA practitioner who wishes to empower themselves in making service design real…gives readers the 360º view into service design [and] gives SOA practitioners the depth and understanding needed into the principles of SOA to assist in the design of a mature and successful SOA program.” –Stephen G. Bennett, Americas SOA Practice Lead, BEA Systems   “SOA projects are most successful when they are based on a solid technical foundation. Well accepted and established design principles are part of this foundation. This book takes a very structured approach at defining the core design principles for SOA, thus allowing the reader to immediately applying them to a project. Each principle is formally introduced and explained, and examples are given for how to apply it to a real design problem. A ‘must read’ for any architect, designer or developer of service oriented solutions”. –Andre Tost, Senior Technical Staff Member, IBM Software Group   “There are few references for SOA that give you the nuts and bolts and this one is at the top of the list. Well written and valuable as a reference book to any SOA practitioner.” –Dr. Mohamad Afshar, Director of Product Management, Oracle Fusion Middleware, Oracle Corporation   “A thorough examination of the considerations of service design. Both seasoned SOA practitioners and those endeavoring to realize services can benefit from reading this book.” –Bill Draven, Enterprise Architect, Intel Corporation   “There are very few who understand SOA like Thomas Erl does! The principle centric description of service orientation from Thomas canonizes the underpinnings of this important paradigm shift in creating agile and reusable software capabilities. The principles, so eloquently explained, leave little room for any ambiguity attached to the greater purpose of SOA. Most organizations today are creating services in a bottoms-up approach, realizing composition and reuse organically. The time is ripe for a book like this that prepares architects for a principle centric approach to SOA.” –Hanu Kommalapati, Architect, Microsoft Corporation   “Outstanding SOA literature uniquely focused on the fundamental services design with thorough and in-depth study on all practical aspects from design principles to methodologies. This book provides a systematic approach for SOA adoption essential for both IT management and professionals.” –Robin Chen, PhD, Google, Inc.   “Thomas Erl’s books are always densely filled with information that’s well structured. This book is especially insightful for Enterprise Architects because it provide s great context and practical examples. Part 1 of the book alone is worth getting the book for.” –Markus Zirn, Senior Director, Product Management, Oracle Fusion Middleware, Oracle Corporation   “A very clear discussion of the subject matter. Provides a good structure that facilitates understanding and readily highlights key points.” –Kareem Yusuf, Director of SOA Strategy and Planning, IBM Software Group   “I am very impressed. Comprehensive. Educative. This book helped me to step back and look at the SOA principles from broader perspective. I’d say this is a must-read book for SOA stakeholders.” –Radovan Janecek, Director R&D, SOA Center, Hewlett-Packard   “Very valuable guidance for understanding and applying SOA service design principles with concrete examples. A must read for the practitioner of SOA service design.” –Umit Yalcinalp, PhD, Standards Architect, SAP   “This book really does an excellent job of explaining the principles underpinning the value of SOA…Erl goes to great length to explain and give examples of each of the 8 principles that will significantly increase the readers ability to drive an SOA service design that benefits both business and IT.” –Robert Laird, IT Architect, IBM EAI/SOA Advanced Technologies Group   “This book strikes a healthy balance between theory and practice. It is a perfect complement to the SOA series by the author.” –Prakash Narayan, Sun Microsystems   “If you are going to be designing, developing, or implementing SOA, this is a must have book.” –Jason “AJ” Comfort Sr., Booz Allen Hamilton   “An excellent book for anyone who wants to understand service-orientation and the principles involved in designing services…a clear, concise and articulate exploration of the eight design principles involved in analyzing, designing, implementing, and maintaining services…” –Anish Karmarkar, Oracle Corporation   “Very well written, succinct, and easy to understand.” –Raj Balasubramanian, IBM Software Group   “Acomprehensive exploration of the issues of service design which has the potential to become the definitive work in this area.” –James Pasley, Chief Technology Officer, Cape Clear Software   “An excellent addition to any SOA library; it covers a wide range of issues in enough detail to be a valuable asset to anyone considering designing or using SOA based technologies.” –Mark Little, Director of Standards, Red Hat   “This book communicates complex concepts in a clear and concise manner. Examples and illustrations are used very effectively.” –Darryl Hogan, Senior Architect, Microsoft   “A work of genius…Offers the most comprehensive and thorough explanation on the principles of service design and what it means to be ‘service oriented.’ “Erl’s treatment of the complex world of service oriented architecture is pragmatic, inclusive of real world situations and offers readers ways to communicate these ideas through illustrations and well formulated processes.” –David Michalowicz, MITRE Corporation   “This is the book for the large organization trying to rationalize its IT assets and establish an agile platform for the future. By highlighting risk and rewards, Thomas Erl brings clarity to how Service Orientation can be applied to ensure a responsive IT organization. This book finally brings software engineering principles to address the real world development challenges being faced. To effectively serve the business, let alone embrace SOA, everyone involved should be familiar with the concepts investigated here. Thomas Erl thoroughly clarifies the nuances and defines the practice of service design. We expect that this will become a classic text in software engineering, corporate training and colleges.” –Cory Isaacson, President, Rogue Wave Software and Ravi Palepu, SOA Author and Speaker   “Thomas Erl does a great job…an easy read.” –Michael H. Sor, Booz Allen Hamilton   “…a must read for SOA Architects to develop a firm foundation and understanding of the principles (and trade-offs) that make up a good SOA service. After reading this book, it finally ‘clicked’ as to why a properly designed SOA system is different (and better) than a system based on previous enterprise architectures.” –Fred Ingham, Platinum Solutions Inc.   “Lays a tremendous foundation for business and technical workers to come to common terms and expectations…incredibly enlightening to see the details associated with achieving the SOA vision.” –Wayne P. Ariola, Vice President of Strategy, Parasoft   “[Erl does] and excellent job of addressing the breadth of [his] audience to present to those new to SOA and weaved in enough detail to assist those who are already actively involved in SOA development.” –R. Perry Smith, Application Program Manager, EDS/OnStar   “It is easy to miss the big picture of what SOA means for the design of larger scale systems amidst the details of WS technologies. Erl helps provide a broader perspective, surveying the landscape from a design standpoint.” –Jim Clune, Chief Architect, Parasoft   “Lays a firm foundation for the underlying principles of good service design. Cuts through the hype and provides a cogent resource for improving architectural judgment on SOA projects.” –Jim Murphy, Vice President of Product Management, Mindreef, Inc.   “The first book to concisely, gradually and comprehensively explain how to apply SOA principles into enterprise-level software design. It is an excellent book.” –Robin G. Qiu, Ph.D., Division of Engineering and Information Science, Pennsylvania State University   “I really think that this is a very useful book that a lot of people really need out there in the industry.” –Dr. Arnaud Simon, Principal Software Engineer, Red Hat   “…indispensable companion to designing and implementing a service-oriented architecture. It condenses all information necessary to design services and is the most relevant source I know if in the field.” “[This book is] not only helpful, but fundamental to successfully designing an SOA.” –Phillipp Offermann, Research Analyst, University of Berlin   “Service-Oriented Architecture is an important topic in IT today. Its vast scope could span an organization’s enterprise. Designing it properly is a major undertaking. This book provides timely, expert and comprehensive discussions on the principles of service design. Thomas has a keen sense in identifying the subtle points of various subjects and explains them in an easy-to-understand way. The book is a valuable resource for IT professionals working in SOA.” –Peter H. Chang, PhD, Associate Professor of Information Systems, Lawrence Technological University   The Definitive Guide to Service Engineering The key to succeeding with service-oriented architecture (SOA) is in comprehending the meaning and significance of its most fundamental building block: the service. It is through an understanding of service design that truly “service-oriented” solution logic can be created in support of achieving the strategic goals associated with SOA and service-oriented computing. Bestselling SOA author Thomas Erl guides you through a comprehensive, insightful, and visually rich exploration of the service-orientation design paradigm, revealing exactly how services should and should not be designed for real-world SOA.   This book’s in-depth coverage includes Over 240 full-color illustrations. A concise introduction to SOA and service-oriented computing concepts and benefits. A thorough exploration of the service-orientation design paradigm as represented by eight specific design principles. A comparison of service-oriented and object-oriented concepts and principles and a clear definition of what qualifies as “service-oriented” logic. Detailed coverage of four different forms of service-related design granularity. An exhaustive examination of service contracts, with an emphasis on standardization, abstraction, and the utilization of WS-Policy, XML Schema, and WSDL definitions. A comprehensive study of positive and negative service-related coupling types with an emphasis on the requirements to attaining a suitable level of loose coupling. An inside look into how commercial design approaches are incorporated to achieve truly agnostic and reusable service logic. Techniques for maximizing service reliability, scalability, and performance by instilling high levels of autonomy and emphasizing stateless design. Approaches for positioning services as highly discoverable and interpretable enterprise resources. Unprecedented coverage of how to design services for participation in complex compositions. The definition of concrete links between each design principle and the strategic goals and benefits of SOA and service-oriented computing. Numerous cross-references to key design patterns documented separately in SOA: Design Patterns.   www.prenhallprofessional.com www.soabooks.com www.soasystems.com   Preface xxv   Chapter 1: Introduction 1 Chapter 2: Case Study Background 19   Part I: Fundamentals Chapter 3: Service-Oriented Computing and SOA 25 Chapter 4: Service-Orientation 67 Chapter 5: Understanding Design Principles 103   Part II: Design Principles Chapter 6: Service Contracts (Standardization and Design) 125 Chapter 7: Service Coupling (Intra-Service and Consumer Dependencies) 163 Chapter 8: Service Abstraction (Information Hiding and Meta Abstraction Types) 211 Chapter 9: Service Reusability (Commercial and Agnostic Design) 253 Chapter 10: Service Autonomy (Processing Boundaries and Control) 293 Chapter 11: Service Statelessness (State Management Deferral and Stateless Design) 325 Chapter 12: Service Discoverability (Interpretability and Communication) 361 Chapter 13: Service Composability (Composition Member Design and Complex Compositions) 387   Part III: Supplemental Chapter 14: Service-Orientation and Object-Orientation: A Comparison of Principles and Concepts 445 Chapter 15: Supporting Practices 477 Chapter 16: Mapping Service-Orientation Principles to Strategic Goals 497   Appendices Appendix A: Case Study Conclusion 513 Appendix B: Process Descriptions 517 Appendix C: Principles and Patterns Cross-Reference 529   Additional Resources 533 About the Author 535 About the Photos 537 Index 539  

    Preis: 46 € | Versand*: 0 €
  • Liberty Style At The Service Of Travelers
    Liberty Style At The Service Of Travelers


    Preis: 465 € | Versand*: 0.00 €
  • Service Intelligence: Improving Your Bottom Line with the Power of IT Service Management
    Service Intelligence: Improving Your Bottom Line with the Power of IT Service Management

    Get the Right IT Services, on the Right terms, Without Hassles or Overpaying  To gain the full benefits of technology—and avoid the staggering costs of technology failure—you must manage IT with vision, direction, and expertise. Only one set of methods is robust enough to do this: IT Service Management (ITSM). In Service Intelligence, ITSM pioneer Sharon Taylor shows business managers how to make the most of it. You’ll learn how to ensure service quality, anticipate vulnerabilities, improve reliability, and link IT directly to business performance. Taylor explains ITSM from a true business point of view, cutting through jargon and helping you drive value without becoming overly technical. She gives you powerful tools for negotiating IT services more effectively, improving IT ROI, and escaping “captivity” to either internal or external IT providers.   Coverage includes • Recognizing what excellent IT service looks like and assessing what you’re getting now • Selecting the best IT service providers and services for your needs • Spotting and rectifying trouble with internal or external supplier relationships • Making sure you don’t pay for services you don’t need • Negotiating services, requirements, levels, price, quality, and delivery • Leveraging ITSM practices without losing focus on the business • Creating business-focused service reports and scorecards that focus on what matters most  

    Preis: 21.39 € | Versand*: 0 €
  • LUXAR-DOS
    LUXAR-DOS

    Nimm 2, aber Luxar-Dos von Compound Genetics. Denn im Falle dieses Premium Cannabissamens steht fest, dass einmal wie keinmal ist und einmal verstanden, will man mehr. Luxar-Dos ist eine feminisierte Samenlinie, die aus der Kreuzung von Cherry Dosidos und Jet Fuel Gelato entstanden ist. Cherry Dosidos ist selbst keine Unbekannte und stammt aus der Kreuzung von Phantom Cookies und Do-Si-Dos. Jetsetter Jet Fuel Gelato ist eine Kombination aus Jet Fuel G6, High Octane und Gelato 45. Und an dieser Stelle können wir uns Erklärungen dann sparen, denn wo Gelato und Cookies im Spiel war, weiß man, mit wem man zu tun hat. Luxar-Dos vereint die Elterngentiken in perfekter Harmonie und besticht mit einem Terpenprofil aus cremigem Gasaroma mit fruchtiger Kirschnote . Uno, Luxar-Dos, tres. 

    Preis: 75 € | Versand*: 0.00 €
  • Was bedeutet "DoS Denial of Service Angriff Syn Flood wurde entdeckt" auf FW101?

    Die Meldung besagt, dass auf dem Gerät FW101 ein DoS (Denial of Service) Angriff namens Syn Flood entdeckt wurde. Bei einem Syn Flood Angriff werden eine große Anzahl von SYN-Anfragen an einen Server gesendet, um ihn zu überlasten und den Zugriff für legitime Benutzer zu verhindern. Es ist wichtig, geeignete Maßnahmen zu ergreifen, um den Angriff abzuwehren und die Sicherheit des Systems zu gewährleisten.

  • Ja, DDoS (Distributed Denial of Service) ist in vielen Ländern strafbar, da es sich um eine Form von Cyberangriff handelt, bei dem absichtlich die Verfügbarkeit von Online-Diensten oder Websites beeinträchtigt wird.

    Ja, DDoS-Angriffe sind in vielen Ländern strafbar, da sie als Form von Cyberkriminalität angesehen werden. Durch die gezielte Überlastung von Servern oder Netzwerken wird die Verfügbarkeit von Online-Diensten oder Websites beeinträchtigt, was erhebliche Schäden verursachen kann. Die Gesetze variieren je nach Land, aber generell werden DDoS-Angriffe als illegal betrachtet und können zu rechtlichen Konsequenzen führen, einschließlich Geldstrafen oder Gefängnisstrafen. Es ist wichtig, sich bewusst zu sein, dass solche Handlungen ernsthafte Konsequenzen haben können und nicht toleriert werden.

  • Was bedeutet "DOS ohne Betriebssystem"?

    "DOS ohne Betriebssystem" bedeutet, dass es sich um eine Diskette oder einen USB-Stick handelt, der das Disk Operating System (DOS) enthält, aber kein Betriebssystem wie Windows oder Linux. Es handelt sich um ein eigenständiges Betriebssystem, das auf älteren Computern verwendet wurde und grundlegende Funktionen wie Dateiverwaltung und Befehlsausführung ermöglichte.

  • Was ist das Betriebssystem DOS?

    DOS steht für Disk Operating System und ist ein Betriebssystem, das in den 1980er und 1990er Jahren weit verbreitet war. Es wurde hauptsächlich auf IBM-PCs eingesetzt und ermöglichte die Verwaltung von Dateien und die Ausführung von Programmen über die Kommandozeile. DOS war bekannt für seine Einfachheit und Stabilität, wurde jedoch später von moderneren Betriebssystemen wie Windows abgelöst.

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  • Wie ändere ich die Auflösung unter DOS?

    Um die Auflösung unter DOS zu ändern, musst du die entsprechenden Befehle in der Konfigurationsdatei CONFIG.SYS ändern. Die Auflösung wird normalerweise mit dem Befehl "MODE" festgelegt, gefolgt von der gewünschten Auflösung und Farbtiefe. Nachdem du die Änderungen vorgenommen hast, musst du den Computer neu starten, damit die neuen Einstellungen übernommen werden.

  • Was kann man alles mit DOS machen?

    Mit DOS (Disk Operating System) kann man grundlegende Aufgaben wie das Verwalten von Dateien und Ordnern, das Ausführen von Programmen und das Durchführen von Systemkonfigurationen erledigen. Es ermöglicht auch die Verwendung von Befehlen zur Datei- und Verzeichnisverwaltung, zum Kopieren, Löschen und Umbenennen von Dateien sowie zum Formatieren von Datenträgern. DOS kann auch für einfache Textverarbeitungsaufgaben verwendet werden.

  • Suche ein altes DOS-Spiel, ein Lernspiel für Kinder.

    Es gibt viele alte DOS-Spiele, die als Lernspiele für Kinder konzipiert wurden. Ein bekanntes Beispiel ist "Reader Rabbit", ein Spiel, das Kindern beim Lesen und Schreiben hilft. Ein weiteres beliebtes Lernspiel ist "Math Blaster", das mathematische Fähigkeiten fördert. Es wäre hilfreich, weitere Informationen über das gesuchte Spiel zu haben, um eine genauere Antwort zu geben.

  • Wie erstelle ich eine Datei mit einem DOS-Befehl?

    Um eine Datei mit einem DOS-Befehl zu erstellen, kannst du den Befehl "echo" verwenden. Zum Beispiel, um eine Textdatei mit dem Namen "meineDatei.txt" zu erstellen, kannst du den Befehl "echo > meineDatei.txt" verwenden. Dadurch wird eine leere Datei mit diesem Namen erstellt.

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