Introduction To Middleware

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Introduction to Middleware

Author : Letha Hughes Etzkorn
Publisher : CRC Press
ISBN 13 : 1498754104
Total Pages : 638 pages
Book Rating : 4.4/5 (987 download)

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Book Synopsis Introduction to Middleware by : Letha Hughes Etzkorn

Download or read book Introduction to Middleware written by Letha Hughes Etzkorn and published by CRC Press. This book was released on 2017-06-12 with total page 638 pages. Available in PDF, EPUB and Kindle. Book excerpt: "A stereotype of computer science textbooks is that they are dry, boring, and sometimes even intimidating. As a result, they turn students’ interests off from the subject matter instead of enticing them into it. This textbook is the opposite of such a stereotype. The author presents the subject matter in a refreshing story-telling style and aims to bring the Internet-generation of students closer to her stories." --Yingcai Xiao, The University of Akron Introduction to Middleware: Web Services, Object Components, and Cloud Computing provides a comparison of different middleware technologies and the overarching middleware concepts they are based on. The various major paradigms of middleware are introduced and their pros and cons are discussed. This includes modern cloud interfaces, including the utility of Service Oriented Architectures. The text discusses pros and cons of RESTful vs. non-RESTful web services, and also compares these to older but still heavily used distributed object/component middleware. The text guides readers to select an appropriate middleware technology to use for any given task, and to learn new middleware technologies as they appear over time without being greatly overwhelmed by any new concept. The book begins with an introduction to different distributed computing paradigms, and a review of the different kinds of architectures, architectural styles/patterns, and properties that various researchers have used in the past to examine distributed applications and determine the quality of distributed applications. Then it includes appropriate background material in networking and the web, security, and encoding necessary to understand detailed discussion in this area. The major middleware paradigms are compared, and a comparison methodology is developed. Readers will learn how to select a paradigm and technology for a particular task, after reading this text. Detailed middleware technology review sections allow students or industry practitioners working to expand their knowledge to achieve practical skills based on real projects so as to become well-functional in that technology in industry. Major technologies examined include: RESTful web services (RESTful cloud interfaces such as OpenStack, AWS EC2 interface, CloudStack; AJAX, JAX-RS, ASP.NET MVC and ASP.NET Core), non-RESTful (SOAP and WSDL-based) web services (JAX-WS, Windows Communication Foundation), distributed objects/ components (Enterprise Java Beans, .NET Remoting, CORBA). The book presents two projects that can be used to illustrate the practical use of middleware, and provides implementations of these projects over different technologies. This versatile and class-tested textbook is suitable (depending on chapters selected) for undergraduate or first-year graduate courses on client server architectures, middleware, and cloud computing, web services, and web programming.

Operating Systems and Middleware

Author : Max Hailperin
Publisher : Max Hailperin
ISBN 13 : 0534423698
Total Pages : 496 pages
Book Rating : 4.5/5 (344 download)

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Book Synopsis Operating Systems and Middleware by : Max Hailperin

Download or read book Operating Systems and Middleware written by Max Hailperin and published by Max Hailperin. This book was released on 2007 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: By using this innovative text, students will obtain an understanding of how contemporary operating systems and middleware work, and why they work that way.

The Complete Book of Middleware

Author : Judith M. Myerson
Publisher : CRC Press
ISBN 13 : 9781420000184
Total Pages : 308 pages
Book Rating : 4.0/5 (1 download)

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Book Synopsis The Complete Book of Middleware by : Judith M. Myerson

Download or read book The Complete Book of Middleware written by Judith M. Myerson and published by CRC Press. This book was released on 2002-03-05 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt: The challenges of designing, building, and maintaining large-scale, distributed enterprise systems are truly daunting. Written for all IT professionals, The Complete Book of Middleware will aid in resolving new business objectives, new technologies, and vendor disputes. This book focuses on the essential principles and priorities of system design and emphasizes the new requirements brought forward by the rise of e-commerce and distributed integrated systems. This reference highlights the changes to middleware technologies and standards. It offers a concise overview of middleware technology alternatives and distributed systems. Many increasingly complex examples are incorporated throughout and the book concludes with guidelines on the practice of IT architecture. Performance considerations such as caching and monitoring are reviewed and the appendix includes middleware resources and new modeling standards. The scope includes traditional middleware and also next-generation techniques that serve to glue disparate systems in the ever-expanding world of distributed network systems. Provided with concepts, principles, and alternatives discussed in The Complete Book of Middleware, systems architects, systems analysts, systems designers, systems developers, and programmers, can proceed with greater confidence in designing complex enterprise systems.

Distributed Systems Architecture

Author : Arno Puder
Publisher : Elsevier
ISBN 13 : 0080454704
Total Pages : 344 pages
Book Rating : 4.0/5 (84 download)

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Book Synopsis Distributed Systems Architecture by : Arno Puder

Download or read book Distributed Systems Architecture written by Arno Puder and published by Elsevier. This book was released on 2011-04-18 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: Middleware is the bridge that connects distributed applications across different physical locations, with different hardware platforms, network technologies, operating systems, and programming languages. This book describes middleware from two different perspectives: from the viewpoint of the systems programmer and from the viewpoint of the applications programmer. It focuses on the use of open source solutions for creating middleware and the tools for developing distributed applications. The design principles presented are universal and apply to all middleware platforms, including CORBA and Web Services. The authors have created an open-source implementation of CORBA, called MICO, which is freely available on the web. MICO is one of the most successful of all open source projects and is widely used by demanding companies and institutions, and has also been adopted by many in the Linux community. * Provides a comprehensive look at the architecture and design of middleware the bridge that connects distributed software applications * Includes a complete, commercial-quality open source middleware system written in C++ * Describes the theory of the middleware standard CORBA as well as how to implement a design using open source techniques

Demystifying Embedded Systems Middleware

Author : Tammy Noergaard
Publisher : Elsevier
ISBN 13 : 0080558518
Total Pages : 409 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis Demystifying Embedded Systems Middleware by : Tammy Noergaard

Download or read book Demystifying Embedded Systems Middleware written by Tammy Noergaard and published by Elsevier. This book was released on 2010-11-04 with total page 409 pages. Available in PDF, EPUB and Kindle. Book excerpt: This practical technical guide to embedded middleware implementation offers a coherent framework that guides readers through all the key concepts necessary to gain an understanding of this broad topic. Big picture theoretical discussion is integrated with down-to-earth advice on successful real-world use via step-by-step examples of each type of middleware implementation. Technically detailed case studies bring it all together, by providing insight into typical engineering situations readers are likely to encounter. Expert author Tammy Noergaard keeps explanations as simple and readable as possible, eschewing jargon and carefully defining acronyms. The start of each chapter includes a "setting the stage" section, so readers can take a step back and understand the context and applications of the information being provided. Core middleware, such as networking protocols, file systems, virtual machines, and databases; more complex middleware that builds upon generic pieces, such as MOM, ORB, and RPC; and integrated middleware software packages, such as embedded JVMs, .NET, and CORBA packages are all demystified. Embedded middleware theory and practice that will get your knowledge and skills up to speed Covers standards, networking, file systems, virtual machines, and more Get hands-on programming experience by starting with the downloadable open source code examples from book website

Middleware Architecture

Author : Mehdia Ajana El Khaddar
Publisher : BoD – Books on Demand
ISBN 13 : 1839694068
Total Pages : 108 pages
Book Rating : 4.8/5 (396 download)

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Book Synopsis Middleware Architecture by : Mehdia Ajana El Khaddar

Download or read book Middleware Architecture written by Mehdia Ajana El Khaddar and published by BoD – Books on Demand. This book was released on 2021-12-22 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: Middleware refers to the intermediate software layer that bridges the gap between the heterogeneous hardware platforms and the backend applications requirements. It allows providing common services and programming abstractions and hiding the low-level management of the connected hardware. With the recent advances in distributed systems and enabling technologies, such as RFID, WSNs, IoT, IoE, cloud computing, context-aware pervasive computing, ubiquitous computing, etc., middleware design and development has become a necessity, taking increasing importance. This book provides a comprehensive overview of the different design patterns and reference models used in middleware architectures in general, followed by a description of specific middleware architectures dedicated to the use of the different emerging technologies, such as IoT, cloud computing, IEEE 802.11, etc. This book intends therefore to bring together in one place up-to-date contributions and remaining challenges in this fast-moving research area for the benefit of middleware systems’ designers and applications developers.

Middleware for Network Eccentric and Mobile Applications

Author : Benoît Garbinato
Publisher : Springer Science & Business Media
ISBN 13 : 3540897070
Total Pages : 463 pages
Book Rating : 4.5/5 (48 download)

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Book Synopsis Middleware for Network Eccentric and Mobile Applications by : Benoît Garbinato

Download or read book Middleware for Network Eccentric and Mobile Applications written by Benoît Garbinato and published by Springer Science & Business Media. This book was released on 2009-02-07 with total page 463 pages. Available in PDF, EPUB and Kindle. Book excerpt: Middleware is a critical foundation needed to leverage the development of a wide range of mobile and ubiquitous applications. Intrinsic challenges when building such middleware require the combination of expertise from areas like distributed systems, networking, software engineering, and application development. This textbook provides a comprehensive introduction to the main fundamental problems, technologies, paradigms, and solutions of concern to developers of middleware for mobile environments. The contributions are grouped into four parts, on networking and programming issues, communication models, middleware issues, and application issues. Each chapter is structured as a self-contained tutorial, presenting an overview of a specific topic and the state-of-the-art solutions for the related problems. In addition, the book also includes an authoritative reference list. The material has been successfully used in several thematic training schools organized by the ESF MiNEMA (Middleware for Network Eccentric and Mobile Applications) program, and the book's organization and presentation is ideal for an advanced course on middleware.

Middleware and Cloud Computing

Author : Frank Munz
Publisher :
ISBN 13 : 9780980798005
Total Pages : 286 pages
Book Rating : 4.7/5 (98 download)

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Book Synopsis Middleware and Cloud Computing by : Frank Munz

Download or read book Middleware and Cloud Computing written by Frank Munz and published by . This book was released on 2011-01-01 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt: Munz, an independent IT professional, explains why running Oracle WebLogic Server and Fusion Middleware in the cloud is often easier, sometimes cheaper, and typically more reliable than in one's own data center.

Introduction to Multimedia Communications

Author : Kamisetty Rao
Publisher : John Wiley & Sons
ISBN 13 : 0471656402
Total Pages : 773 pages
Book Rating : 4.4/5 (716 download)

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Book Synopsis Introduction to Multimedia Communications by : Kamisetty Rao

Download or read book Introduction to Multimedia Communications written by Kamisetty Rao and published by John Wiley & Sons. This book was released on 2006-01-10 with total page 773 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive resource on multimedia communications. Covers recent trends and standardization activities in multimedia communications, such as layered structures, underlying theories and the current best design techniques. Describes the convergence of various technologies including communications, broadcasting, information technology, and home electronics, and emerging new communication services and applications resulting from the growth of the Internet and wireless technologies. Please go to www-ee.uta.edu/dip for additional information.

Middleware Solutions for the Internet of Things

Author : Flávia C. Delicato
Publisher : Springer Science & Business Media
ISBN 13 : 1447154819
Total Pages : 78 pages
Book Rating : 4.4/5 (471 download)

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Book Synopsis Middleware Solutions for the Internet of Things by : Flávia C. Delicato

Download or read book Middleware Solutions for the Internet of Things written by Flávia C. Delicato and published by Springer Science & Business Media. This book was released on 2013-09-21 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt: After a brief introduction and contextualization on the Internet of Things (IoT) and Web of Things (WoT) paradigms, this timely new book describes one of the first research initiatives aimed at tackling the several challenges involved in building a middleware-layer infrastructure capable of realizing the WoT vision: the SmartSensor infrastructure. It is based on current standardization efforts and designed to manage a specific type of physical devices, those organized to shape a Wireless Sensor Network (WSN), where sensors work collaboratively, extracting data and transmitting it to external networks to be further analysed and processed. Middleware Solutions for the Internet of Things describes this infrastructure and its RESTful-based programming model that allows developers create applications without having specific knowledge about physical devices or networking environments. It is also shown, step by step, how to create a Web Mashup application using SmartSensor.

The Internet of Things in the Cloud

Author : Honbo Zhou
Publisher : CRC Press
ISBN 13 : 1466589043
Total Pages : 395 pages
Book Rating : 4.4/5 (665 download)

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Book Synopsis The Internet of Things in the Cloud by : Honbo Zhou

Download or read book The Internet of Things in the Cloud written by Honbo Zhou and published by CRC Press. This book was released on 2013-03-21 with total page 395 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although the Internet of Things (IoT) is a vast and dynamic territory that is evolving rapidly, there has been a need for a book that offers a holistic view of the technologies and applications of the entire IoT spectrum. Filling this void, The Internet of Things in the Cloud: A Middleware Perspective provides a comprehensive introduction to the IoT and its development worldwide. It gives you a panoramic view of the IoT landscape—focusing on the overall technological architecture and design of a tentatively unified IoT framework underpinned by Cloud computing from a middleware perspective. Organized into three sections, it: Describes the many facets of Internet of Things—including the four pillars of IoT and the three layer value chain of IoT Focuses on middleware, the glue and building blocks of a holistic IoT system on every layer of the architecture Explores Cloud computing and IoT as well as their synergy based on the common background of distributed processing The book is based on the author’s two previous bestselling books (in Chinese) on IoT and Cloud computing and more than two decades of hands-on software/middleware programming and architecting experience at organizations such as the Oak Ridge National Laboratory, IBM, BEA Systems, and Silicon Valley startup Doubletwist. Tapping into this wealth of knowledge, the book categorizes the many facets of the IoT and proposes a number of paradigms and classifications about Internet of Things' mass and niche markets and technologies.

Developing Middleware in Java EE 8

Author : Abdalla Mahmoud
Publisher : Packt Publishing Ltd
ISBN 13 : 1788392221
Total Pages : 247 pages
Book Rating : 4.7/5 (883 download)

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Book Synopsis Developing Middleware in Java EE 8 by : Abdalla Mahmoud

Download or read book Developing Middleware in Java EE 8 written by Abdalla Mahmoud and published by Packt Publishing Ltd. This book was released on 2018-06-30 with total page 247 pages. Available in PDF, EPUB and Kindle. Book excerpt: Use Java features such as JAX-RS, EJBs, and JPAs to build powerful middleware for newer architectures such as the cloud Key Features Explore EJBs to build middleware solutions for enterprise and distributed applications Understand middleware designs such as event-based and message-driven web services Learn to design and maintain large-scale systems and vendor disputes Book Description Middleware is the infrastructure in software based applications that enables businesses to solve problems, operate more efficiently, and make money. As the use of middleware extends beyond a single application, the importance of having it written by experts increases substantially. This book will help you become an expert in developing middleware for a variety of applications. The book starts off by exploring the latest Java EE 8 APIs with newer features and managing dependencies with CDI 2.0. You will learn to implement object-to-relational mapping using JPA 2.1 and validate data using bean validation. You will also work with different types of EJB to develop business logic, and with design RESTful APIs by utilizing different HTTP methods and activating JAX-RS features in enterprise applications. You will learn to secure your middleware with Java Security 1.0 and implement various authentication techniques, such as OAuth authentication. In the concluding chapters, you will use various test technologies, such as JUnit and Mockito, to test applications, and Docker to deploy your enterprise applications. By the end of the book, you will be proficient in developing robust, effective, and distributed middleware for your business. What you will learn Implement the latest Java EE 8 APIs and manage dependencies with CDI 2.0 Perform CRUD operations and access databases with JPA 2.1 Use bean validation API 2.0 to validate data Develop business logic with EJB 3.2 Incorporate the REST architecture and RESTful API design patterns Perform serialization and deserialization on JSON documents using JSON-B Utilize JMS for messaging and queuing models and securing applications Test applications using JUnit and Mockito and deploy them using Docker Who this book is for Enterprise architects, designers, developers, and programmers who are interested in learning how to build robust middleware solutions for enterprise software will find this book useful. Prior knowledge of Java EE is essential

Principles of Transaction Processing

Author : Philip A. Bernstein
Publisher : Morgan Kaufmann
ISBN 13 : 9780080948416
Total Pages : 400 pages
Book Rating : 4.9/5 (484 download)

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Book Synopsis Principles of Transaction Processing by : Philip A. Bernstein

Download or read book Principles of Transaction Processing written by Philip A. Bernstein and published by Morgan Kaufmann. This book was released on 2009-07-24 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: Principles of Transaction Processing is a comprehensive guide to developing applications, designing systems, and evaluating engineering products. The book provides detailed discussions of the internal workings of transaction processing systems, and it discusses how these systems work and how best to utilize them. It covers the architecture of Web Application Servers and transactional communication paradigms. The book is divided into 11 chapters, which cover the following: Overview of transaction processing application and system structure Software abstractions found in transaction processing systems Architecture of multitier applications and the functions of transactional middleware and database servers Queued transaction processing and its internals, with IBM's Websphere MQ and Oracle's Stream AQ as examples Business process management and its mechanisms Description of the two-phase locking function, B-tree locking and multigranularity locking used in SQL database systems and nested transaction locking System recovery and its failures Two-phase commit protocol Comparison between the tradeoffs of replicating servers versus replication resources Transactional middleware products and standards Future trends, such as cloud computing platforms, composing scalable systems using distributed computing components, the use of flash storage to replace disks and data streams from sensor devices as a source of transaction requests. The text meets the needs of systems professionals, such as IT application programmers who construct TP applications, application analysts, and product developers. The book will also be invaluable to students and novices in application programming. Complete revision of the classic "non mathematical" transaction processing reference for systems professionals. Updated to focus on the needs of transaction processing via the Internet-- the main focus of business data processing investments, via web application servers, SOA, and important new TP standards. Retains the practical, non-mathematical, but thorough conceptual basis of the first edition.

Enterprise Application Integration

Author : David S. Linthicum
Publisher : Addison-Wesley Professional
ISBN 13 : 9780201615838
Total Pages : 404 pages
Book Rating : 4.6/5 (158 download)

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Book Synopsis Enterprise Application Integration by : David S. Linthicum

Download or read book Enterprise Application Integration written by David S. Linthicum and published by Addison-Wesley Professional. This book was released on 2000 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dealing with the concepts behind a vendor's products, this a guide for IT managers on how to ensure the IT infrastructure matches the need of the enterprise, and which procedures should be followed to ensure this happens.

Exploring Enterprise Service Bus in the Service-Oriented Architecture Paradigm

Author : Bhadoria, Robin Singh
Publisher : IGI Global
ISBN 13 : 1522521585
Total Pages : 378 pages
Book Rating : 4.5/5 (225 download)

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Book Synopsis Exploring Enterprise Service Bus in the Service-Oriented Architecture Paradigm by : Bhadoria, Robin Singh

Download or read book Exploring Enterprise Service Bus in the Service-Oriented Architecture Paradigm written by Bhadoria, Robin Singh and published by IGI Global. This book was released on 2017-02-14 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt: Web browsing would not be what it is today without the use of Service-Oriented Architecture (SOA). Although much has been written about SOA methodology, this emerging platform is continuously under development. Exploring Enterprise Service Bus in the Service-Oriented Architecture Paradigm is a detailed reference source that examines current aspects and research methodologies that enable enterprise service bus to unify and connect services efficiently on a common platform. Featuring relevant topics such as SOA reference architecture, grid computing applications, complex event computing, and java business integration, this is an ideal resource for all practitioners, academicians, graduate students, and researchers interested in the discoveries on the relationship that Service-Oriented architecture and enterprise service bus share.

Middleware for Communications

Author : Qusay Mahmoud
Publisher : John Wiley & Sons
ISBN 13 : 0470862076
Total Pages : 522 pages
Book Rating : 4.4/5 (78 download)

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Book Synopsis Middleware for Communications by : Qusay Mahmoud

Download or read book Middleware for Communications written by Qusay Mahmoud and published by John Wiley & Sons. This book was released on 2005-06-10 with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt: A state-of-the-art guide to middleware technologies, and their pivotal role in communications networks. Middleware is about integration and interoperability of applications and services running on heterogeneous computing and communications devices. The services it provides - including identification, authentication, authorization, soft-switching, certification and security - are used in a vast range of global appliances and systems, from smart cards and wireless devices to mobile services and e-Commerce. Qusay H. Mahmoud has created an invaluable reference tool that explores the origins and current uses of middleware (highlighting the importance of such technologies as CORBA, J2EE and JMS) and has thus compiled the roadmap to future research in this area. Middleware for Communications: discusses the emerging fields of Peer-to-Peer (P2P) and grid middleware detailing middleware platforms such as JXTA and the Globus middleware toolkit. shows how Middleware will play a significant role in mobile computing. presents a Platform Supporting Mobile Applications (PLASMA) - a middleware platform that consists of components for location, event, and profile handling of Location-Based Services. introduces middleware security focusing on the appropriate aspects of CORBA, J2EE, and .NET and demonstrates how to realize complex security capabilities such as role-based access control (RBAC) and mandatory access control (MAC). discusses how Quality of Service (QoS) component middleware can be combined with Model Driven Architecture (MDA) technologies to rapidly develop, generate, assemble and deploy flexible communications applications. This incomparable overview of middleware for communications is suitable for graduate students and researchers in communications and computing departments. It is also an authoritative guide for engineers and developers working on distributed systems, mobile computing and networked appliances.

Data Lake for Enterprises

Author : Tomcy John
Publisher : Packt Publishing Ltd
ISBN 13 : 1787282651
Total Pages : 585 pages
Book Rating : 4.7/5 (872 download)

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Book Synopsis Data Lake for Enterprises by : Tomcy John

Download or read book Data Lake for Enterprises written by Tomcy John and published by Packt Publishing Ltd. This book was released on 2017-05-31 with total page 585 pages. Available in PDF, EPUB and Kindle. Book excerpt: A practical guide to implementing your enterprise data lake using Lambda Architecture as the base About This Book Build a full-fledged data lake for your organization with popular big data technologies using the Lambda architecture as the base Delve into the big data technologies required to meet modern day business strategies A highly practical guide to implementing enterprise data lakes with lots of examples and real-world use-cases Who This Book Is For Java developers and architects who would like to implement a data lake for their enterprise will find this book useful. If you want to get hands-on experience with the Lambda Architecture and big data technologies by implementing a practical solution using these technologies, this book will also help you. What You Will Learn Build an enterprise-level data lake using the relevant big data technologies Understand the core of the Lambda architecture and how to apply it in an enterprise Learn the technical details around Sqoop and its functionalities Integrate Kafka with Hadoop components to acquire enterprise data Use flume with streaming technologies for stream-based processing Understand stream- based processing with reference to Apache Spark Streaming Incorporate Hadoop components and know the advantages they provide for enterprise data lakes Build fast, streaming, and high-performance applications using ElasticSearch Make your data ingestion process consistent across various data formats with configurability Process your data to derive intelligence using machine learning algorithms In Detail The term "Data Lake" has recently emerged as a prominent term in the big data industry. Data scientists can make use of it in deriving meaningful insights that can be used by businesses to redefine or transform the way they operate. Lambda architecture is also emerging as one of the very eminent patterns in the big data landscape, as it not only helps to derive useful information from historical data but also correlates real-time data to enable business to take critical decisions. This book tries to bring these two important aspects — data lake and lambda architecture—together. This book is divided into three main sections. The first introduces you to the concept of data lakes, the importance of data lakes in enterprises, and getting you up-to-speed with the Lambda architecture. The second section delves into the principal components of building a data lake using the Lambda architecture. It introduces you to popular big data technologies such as Apache Hadoop, Spark, Sqoop, Flume, and ElasticSearch. The third section is a highly practical demonstration of putting it all together, and shows you how an enterprise data lake can be implemented, along with several real-world use-cases. It also shows you how other peripheral components can be added to the lake to make it more efficient. By the end of this book, you will be able to choose the right big data technologies using the lambda architectural patterns to build your enterprise data lake. Style and approach The book takes a pragmatic approach, showing ways to leverage big data technologies and lambda architecture to build an enterprise-level data lake.