Discover the power of Drools 6 and Business Rules for developing complex scenarios in your applications About This Book Implement and model different rules using the DRL full syntax Model complex business decisions and domain models in order to automate and improve your operational decisions with the Drools framework A practical, fast-paced, hands-on guide to help you use the different components provided by the Drools Rule Engine Who This Book Is For This book is for Java developers and architects who need to have a deep understanding of how to create or integrate your applications with the Drools Rules Framework. The book assumes that you know the Java language well and also have experience with some widely used frameworks, such as Spring. You should also know the basics of Maven-based applications. What You Will Learn Automate your application’s decisions, such as promotion applying, discount policies, fraud detection, and more. Quickly get started with writing your first rules using the DRL full syntax. Discover the power of the new syntax components of the rule language. Define inferences in your business rules to simplify complex decisions. Write decision tables, templates,domain-specific languages, and scorecards, and learn how to map them to the Drools framework. Harness the full operational power of Drools through all of its configuration points. Use Drools configurations and architectures for different environments and scenarios. In Detail Mastering JBoss Drools 6 will provide you with the knowledge to develop applications involving complex scenarios. You will learn how to use KIE modules to create and execute Business Rules, and how the PHREAK algorithm internally works to drive the Rule Engine decisions. This book will also cover the relationship between Drools and jBPM, which allows you to enrich your applications by using Business Processes. You will be briefly introduced to the concept of complex event processing (Drools CEP) where you will learn how to aggregate and correlate your data based on temporal conditions. You will also learn how to define rules using domain-specific languages, such as spreadsheets, database entries, PMML, and more. Towards the end, this book will take you through the integration of Drools with the Spring and Camel frameworks for more complex applications. Style and approach Approached from a developer’s perspective, the book teaches you all the advanced concepts of Business Rules applicable examples with helpful screenshots, diagrams, tutorials, and examples.

Master the skills required to steer cross-platform applications from drawing board to app store(s) using Xamarin About This Book Develop your Xamarin development skills with this comprehensive guide on various patterns and features so you can create elegant and high-quality applications Create adaptive user interfaces on separate platforms without compromising the user experience and platform identity Implement application lifecycle management concepts to manage and finalize cross-platform projects and efficiently collaborate with others Who This Book Is For This book is ideal for those who want to take their entry–level Xamarin mobile development skills to the next level to become the go-to person within their organization. To fully understand the patterns and concepts described, you should possess a reasonable level of knowledge about the core elements of Xamarin and cross-platform application development with it. What You Will Learn Configure your environment for cross-platform projects with Xamarin Gain memory management skills to avoid memory leaks and premature code cycles while decreasing the memory print of your applications Employ asynchronous and parallel patterns to execute non-interactive and non-blocking processes Create and use SQLite databases for offline scenarios Integrate network resources with cross-platform applications Design and implement eye-catching and reusable UI components without compromising nativity in mobile applications Manage the application lifecycle of cross-platform development projects Distribute Xamarin applications through public or private channels In Detail The main goal of this book is to equip you with the required know-how to successfully analyze, develop, and manage Xamarin cross-platform projects using the most efficient, robust, and scalable implementation patterns. This book starts with general topics such as memory management, asynchronous programming, local storage, and networking, and later moves onto platform-specific features. During this transition, you will learn about key tools to leverage the patterns described, as well as advanced implementation strategies and features. The book also presents User Interface design and implementation concepts on Android and iOS platforms from a Xamarin and cross-platform perspective, with the goal to create a consistent but native UI experience. Finally, we show you the toolset for application lifecycle management to help you prepare the development pipeline to manage and see cross-platform projects through to public or private release. Style and approach This is a comprehensive guide on various Xamarin features and patterns. Each topic is explained and demonstrated with code samples, which are revised in each section in an iterative manner and analyzed with available diagnostic tools to demonstrate the benefits of different patterns.

Analyze data network like a professional by mastering Wireshark - From 0 to 1337 About This Book Master Wireshark and train it as your network sniffer Impress your peers and get yourself pronounced as a network doctor Understand Wireshark and its numerous features with the aid of this fast-paced book packed with numerous screenshots, and become a pro at resolving network anomalies Who This Book Is For Are you curious to know what’s going on in a networkDo you get frustrated when you are unable to detect the cause of problems in your networksThis is where the book comes into play. Mastering Wireshark is for developers or network enthusiasts who are interested in understanding the internal workings of networks and have prior knowledge of using Wireshark, but are not aware about all of its functionalities. What You Will Learn Install Wireshark and understand its GUI and all the functionalities of it Create and use different filters Analyze different layers of network protocols and know the amount of packets that flow through the network Decrypt encrypted wireless traffic Use Wireshark as a diagnostic tool and also for network security analysis to keep track of malware Troubleshoot all the network anomalies with help of Wireshark Resolve latencies and bottleneck issues in the network In Detail Wireshark is a popular and powerful tool used to analyze the amount of bits and bytes that are flowing through a network. Wireshark deals with the second to seventh layer of network protocols, and the analysis made is presented in a human readable form. Mastering Wireshark will help you raise your knowledge to an expert level. At the start of the book, you will be taught how to install Wireshark, and will be introduced to its interface so you understand all its functionalities. Moving forward, you will discover different ways to create and use capture and display filters. Halfway through the book, you’ll be mastering the features of Wireshark, analyzing different layers of the network protocol, looking for any anomalies. As you reach to the end of the book, you will be taught how to use Wireshark for network security analysis and configure it for troubleshooting purposes. Style and approach Every chapter in this book is explained to you in an easy way accompanied by real-life examples and screenshots of the interface, making it easy for you to become an expert at using Wireshark.

Build your own cloud based Database as a Service using OpenStack Trove About This Book Familiarize yourself with the concept of Database as a Service and make your existing system scalable and efficient with OpenStack Trove Minimize the administrative tasks and complexities of managing your cloud infrastructure This is a fast-paced guide to datastore management on the OpenStack platform using OpenStack Trove Who This Book Is For If you are a DBA / system administrator / architect, or a student who wants to build a Database as a Service based on OpenStack, this book is for you. You should have a basic knowledge of OpenStack components, RDBMS/NoSQL, IaaS, and cloud computing. What You Will Learn Get to grips with the basics of OpenStack and the prerequisites to install Trove Understand the expectations of DBaaS and how Trove can help you achieve them Set up a basic installation of DevStack (Development Stack) in a virtual box Install Trove and utilize its configuration groups to manage and tune databases Use Image builder to create guest images for Trove Utilize Trove to provision your first database instance Back up and restore your databases with the help of Trove In Detail OpenStack has become an extremely popular solution to build public and private clouds with. Database as a Service (DBaaS) enables the delivery of more agile database services at lower costs. Some other benefits of DBaaS are secure database deployments and compliance to standards and best practices. Trove is a DBaaS built on OpenStack and is becoming more popular by the day. Since Trove is one of the most recent projects of OpenStack, DBAs and system administrators can find it difficult to set up and run a DBaaS using OpenStack Trove. This book helps DBAs make that step. We start by introducing you to the concepts of DBaaS and how is it implemented using OpenStack Trove. Following this, we look at implementing OpenStack and deploying Trove. Moving on, you will learn to create guest images to be used with Trove. We then look at how to provision databases in self-service mode, and how to perform administration tasks such as backup and recovery, and fine-tuning databases. At the end of the book, we will examine some advanced features of Trove such as replication. Style and approach This fast-paced, step-by-step guide introduces you to DBaaS, OpenStack Trove, and its components, leading you through building your own Cloud-based DBaaS. Using the DevStack deployment method, you will spend less time on installing OpenStack so you can devote more time to learning how to provision and manage databases in a DBaaS environment.

The Elizabethan Bond is back . . .Under the threat of a second Spanish Armada, John Shakespeare is sent to Lancashire to guard over England's secret weapon and its inventor, the maverick magician Dr. Dee.But nothing is so simple when the country is a hotbed of secret loyalties and civil unrest. During his mission, Shakespeare stumbles upon Catholic priests in hiding, a mysterious Bohemian seductress, and—of course—murder.Between facing off with a nefarious witch hunter and attending one of the first performances of A Midsummer Night's Dream, the intrepid John Shakespeare fights to stay alive while on the hunt for a deadly traitor.

England is a viper's nest of conspiracy.It is 1852, and the conflict between Protestants and Catholics threatens to tear the country in two. While Queen Elizabeth I holds the reins of power, there are those whose loyalty lies with her imprisoned cousin—Mary, Queen of Scots.On his first major mission for Sir Francis Walsingham, the young John Shakespeare is ordered to untangle a conspiracy to free the Stuart queen from Sheffield Castle. All too soon, he realizes that the tentacles of the plot reach deep into his native Warwickshire and threaten his own friends and family. His duty lies with Elizabeth … but how far will he go to protect those he loves?

From Allison van Diepen, author of Light of Day, Snitch, and Street Pharm, comes a sexy, dangerous novel—perfect for fans of Simone Elkeles and Paul Griffin—about a teen who witnesses a murder and gets caught up in the seedy world of Miami's gangs.Maddie Diaz never should have taken that shortcut through the park. If she hadn't, she wouldn't have seen two members of the Reyes gang attacking a homeless man. Now, as the only witness, she knows there's a target on her back.But when the Reyes jump her on the street, Maddie is protected by a second gang and their secretive leader, Lobo, who is determined to take down the Reyes himself. Lobo is mysterious and passionate, and Maddie begins to fall for him. But when they live this close to the edge, can their love survive?

From the author of On the Edge and Snitch comes a dangerous, sexy novel perfect for fans of Simone Elkeles.When Gabby Perez is almost drugged at a nightclub, she decides to take action. Teaming up with a mysterious stranger known as X, the two go after a gang who is drugging and kidnapping innocent girls off the Miami streets and forcing them into prostitution. As their search deepens, Gabby and X can't ignore their undeniable attraction to each other. Then Gabby discovers the truth about who X really is and the danger that surrounds him. Can their love survive the light of day?Light of Day is set in the same world as On the Edge (readers will recognize some of their favorite characters in this book) and features a diverse cast. With romance, action, and realistic friendships, this is a gripping story about finding out where you belong, discovering the power to make a difference, and finding true love along the way.

Rhiannon Thomas's dazzling debut novel is a spellbinding reimagining of what happens after happily ever after. Vividly imagined scenes of action, romance, and political intrigue are seamlessly woven together to reveal a richly created world . . . and Sleeping Beauty as she's never been seen before.One hundred years after falling asleep, Princess Aurora wakes up to the kiss of a handsome prince and a broken kingdom that has been dreaming of her return. All the books say that she should be living happily ever after. But as Aurora understands all too well, the truth is nothing like the fairy tale.Her family is long dead. Her "true love" is a kind stranger. And her whole life has been planned out by political foes while she slept.As Aurora struggles to make sense of her new world, she begins to fear that the curse has left its mark on her, a fiery and dangerous thing that might be as wicked as the witch who once ensnared her. With her wedding day drawing near, Aurora must make the ultimate decision on how to save her kingdom: marry the prince or run.

A verse translation of the first great narrative poem in the English language that captures the feeling and tone of the original.

Cunning and evil, poisoned by a lifetime of love withheld, Eileen Cartwright has an unrivaled passion for revenge. When the rich, middle-aged widow falls in love with her lawyer, she goes to fatal lengths to make him hers. Prosecutor Helen West is assigned to the case, but when Eileen's extraordinary evil reaches out even from behind prison bars, the investigation reaches a climax of frightening and frenzied violence.

Elisabeth is a picture restorer. This gives her the solitude and independence she needs—living and working alone in her flat. Despite her skills and reliability, Elisabeth undercharges for her work—valuing the worth of the paintings rather more than she values herself. Her ambitions are modest: beauty to look upon, unintrusive friendships, and complete privacy. But when a mysterious and obviously wealthy man commissions her to restore his fabulous collection, an uncharacteristic combination of curiosity and financial need prompts her to accept his offer. Elisabeth soon realizes her error, as the past and the present combine to make privacy her nemesis. As she becomes a hostage to her patron, her lover and her friend realize they know nothing about her, or where she might be.

#1 New York Times bestselling author Sidney Sheldon’s most popular and enduring heroine—Tracy Whitney of If Tomorrow Comes and Sidney Sheldon’s Chasing Tomorrow—finds herself caught in a nefarious and far-reaching scheme involving international terrorism and corruption in this compelling thriller packed with heart-stopping twists and breathtaking actionOnce upon a time, Tracy Whitney was one of the best thieves in the business. Then she settled down and had a child—a beautiful, bright, mischievous boy who was the center of her life. Tracy planned to spend the rest of her days quietly, living anonymously deep in the stunning Colorado mountains, devoted to raising her son. But tragedy forces her to face her greatest nightmare. Now, with nothing left to protect, this superb con artist, jewel thief, computer wizard, and cat burglar returns to the hunt, more dangerous, ruthless, and reckless than ever.The world faces a new terror threat from Group 99, a diverse collection of global hackers intent on thecollapse of capitalism and private wealth and the creation of a new world order. When the group turns to violence—kidnapping an American investigative journalist, shooting a British military hostage, and blowing up an international industrialist—the mysterious woman pulling their strings, a wily and wealthy American known only as Althea, becomes the CIA’s most sought criminal.But their only hope of finding her is a woman with a dark and dangerous past of her own. A woman who has also successfully evaded detection by the authorities around the world: Tracy.Convinced that Althea is behind the deadly act that shattered her life, Tracy sets out on a global hunt to flush out her prey. But as she soon discovers, the truth is as elusive as her target. Hampered by corruption, lies, and enemies masked as allies, Tracy will be pushed to the brink, where she must face her darkest demons. All of her experience tells Tracy that the answers are right in front of her—if only she can look at the clues in the right way.Propelled by an unquenchable thirst for revenge, and with the fate of so many resting in her hands, just how reckless will Tracy become when she has nothing left to lose?An addictive tale of espionage, mystery, passion, greed, betrayal, and vengeance that takes you from the beautiful Rocky Mountains to Europe’s oldest and grandest cities, filled with a cast of intriguing characters both new and familiar, Sidney Sheldon’s Reckless is a glamorous thrill ride that will leave you breathless until its shocking end.

An unforgettable psychological thriller reminiscent of Emma Donoghue's Room and V. C. Andrews' Flowers in the AtticKatherine and David have the perfect life: they are beautiful, rich, debonair, and gifted. But cracks begin to form beneath the smooth exterior when David suspects that one of their two children is not his. There is no other reason why chubby, petulant Jeanetta does not conform to David's standards of perfection and order.Soon, David's mood swings become more violent and irrational. In an attempt to exercise some control over his world, he sends Jeanetta to the playroom . . . and locks the door. With harrowing precision, Fyfield tells the story of a family's descent into madness.

Power has its price.David Blake should be enjoying the high life now that he's top dog, controlling everything in the city that's worth controlling.But when it becomes clear that someone wants him dead, Blake struggles to maintain his restraint. From the heroin-laced high-rises of Newcastle to the seedy back streets of Bangkok, in a world of contract killers, corrupt politicians, bent detectives, fast women, and dangerous men, Blake is in a race against time to find—and stop—his potential assassin.Packed with action and attitude, The Damage is a gripping gangland thriller for fans of the hit films The Town and Goodfellas.

Welcome to Spencer. Population: 814. It's a backward town—and it's hiding a terrible secret.When Stephen's dad says they're moving, Stephen knows it's pointless to argue. They're broke from paying Mom's hospital bills, and now the only option left is to live with Stephen's grandmother, a woman as bitter and stuck as the town of Spencer itself.Stephen's summer starts looking up when he meets punk girl Cara and her charismatic twin brother, Devon. The twins have family problems of their own and aren't exactly close, but Stephen is drawn to them, each for different reasons. With Cara, he feels safe and understood—and yeah, okay, she's totally hot. In Devon and his group, he sees a chance at making real friends.Only, as the summer presses on, and harmless nights hanging out in the cemetery take a darker turn, Stephen starts to suspect that Devon is less a friend than a leader. And he might be leading them to a very sinister end.Mixing classic horror elements with a darkly funny coming-of-age story, New York Times bestselling author Heather Brewer brings her razor-sharp edge to a story about the dangerous power of belief and the cost of blind loyalty, taking readers to the brink of madness and past the point of no return.

Already an international hit, a sly, sizzling mystery—the first in a sensational crime series—set in the Italian Alps, reminiscent of the works of Andrea Camilleri, Donna Leon, and Henning MankellAfter getting into serious trouble with the wrong people, Deputy Police Chief Rocco Schiavone is exiled to Aosta, a small, touristy alpine town far from his beloved Rome. The sophisticated yet crotchety Roman despises mountains, snow, and the provincial locals as much as he disdains his superiors and their petty rules. But he loves solving crimes.When a mangled body is discovered on a slope above Champoluc, Rocco immediately faces his first challenge—identifying the victim, a complex procedure complicated by his ignorance of the customs, dialect, and history of his new home. Proud and undaunted, Rocco makes his way among the ski runs, mountain huts, and aerial tramways, meeting instructors, alpine guides, the enigmatic folk of Aosta, and a few beautiful locals eager to give him a warm welcome. It won't be easy, this mountain life, especially with a corpse or two in the mix. But then there's nothing that makes Rocco feel more at home than an investigation.An insightful observer of human nature, Antonio Manzini writes with sly humor and a dash of irony, introducing an irresistible hero—a fascinating blend of swagger, machismo, and vulnerability—in a colorful and atmospheric mystery series that is European crime fiction at its best.

Expand your knowledge of computer vision by building amazing projects with OpenCV 3About This BookBuild computer vision projects to capture high-quality image data, detect and track objects, process the actions of humans or animals, and much moreDiscover practical and interesting innovations in computer vision while building atop a mature open-source library, OpenCV 3Familiarize yourself with multiple approaches and theories wherever critical decisions need to be madeWho This Book Is ForThis book is ideal for you if you aspire to build computer vision systems that are smarter, faster, more complex, and more practical than the competition. This is an advanced book intended for those who already have some experience in setting up an OpenCV development environment and building applications with OpenCV. You should be comfortable with computer vision concepts, object-oriented programming, graphics programming, IDEs, and the command line.What You Will LearnSelect and configure camera systems to see invisible light, fast motion, and distant objectsBuild a “camera trap”, as used by nature photographers, and process photos to create beautiful effectsDevelop a facial expression recognition system with various feature extraction techniques and machine learning methodsBuild a panorama Android application using the OpenCV stitching module in C++ with NDK supportOptimize your object detection model, make it rotation invariant, and apply scene-specific constraints to make it faster and more robustCreate a person identification and registration system based on biometric properties of that person, such as their fingerprint, iris, and faceFuse data from videos and gyroscopes to stabilize videos shot from your mobile phone and create hyperlapse style videosIn DetailComputer vision is becoming accessible to a large audience of software developers who can leverage mature libraries such as OpenCV. However, as they move beyond their first experiments in computer vision, developers may struggle to ensure that their solutions are sufficiently well optimized, well trained, robust, and adaptive in real-world conditions. With sufficient knowledge of OpenCV, these developers will have enough confidence to go about creating projects in the field of computer vision.This book will help you tackle increasingly challenging computer vision problems that you may face in your careers. It makes use of OpenCV 3 to work around some interesting projects. Inside these pages, you will find practical and innovative approaches that are battle-tested in the authors’ industry experience and research. Each chapter covers the theory and practice of multiple complementary approaches so that you will be able to choose wisely in your future projects. You will also gain insights into the architecture and algorithms that underpin OpenCV’s functionality.We begin by taking a critical look at inputs in order to decide which kinds of light, cameras, lenses, and image formats are best suited to a given purpose. We proceed to consider the finer aspects of computational photography as we build an automated camera to assist nature photographers. You will gain a deep understanding of some of the most widely applicable and reliable techniques in object detection, feature selection, tracking, and even biometric recognition. We will also build Android projects in which we explore the complexities of camera motion: first in panoramic image stitching and then in video stabilization.By the end of the book, you will have a much richer understanding of imaging, motion, machine learning, and the architecture of computer vision libraries and applications!Style and approachThis book covers a combination of theory and practice. We examine blueprints for specific projects and discuss the principles behind these blueprints, in detail.

Install, configure, and support your XenApp systems with the power of Citrix XenAppAbout This BookFamiliarize yourself with Citrix applications and desktop virtualizationMaintain and troubleshoot your XenApp environment to minimize system downtimeA hands-on, step-by-step guide with a practical approach and real-world examples to get you up and running with XenApp systemsWho This Book Is ForThis book is intended for IT administrators and consultants who want to build application and desktop virtualization solutions for their employers and customers. No prior knowledge of Citrix technologies is required.What You Will LearnMake the use case for Citrix XenApp and design your first systemPrepare your existing IT infrastructure for XenApp and learn what licenses you needInstall and configure the XenApp infrastructureEnable access with StoreFront and NetScaler GatewayEnable load balancing with NetScalerMaintain servers and publish applications and desktopsManage printing in a Citrix environmentTroubleshoot your environment using advanced tools and methodologies employed by Citrix Escalation TeamsIn DetailIf you want to effectively deploy the various components of Citrix XenApp to create an enterprise environment for application and desktop delivery, this hands-on guide is perfect for you. You start off by understanding the need and benefits of Citrix XenApp with respect to Virtualization technology. After this, you will get to grips with the requirement analysis and designing aspect of building XenApp systems and all the necessary installation and configuration procedures for Citrix XenApp, StoreFront and NetScalar Gateway are explained one by one in detail.Step-by-step, you will learn to deploy your first XenApp with the Machine Creation Services method and Provisioning Services method. After this, you will explore the administering part of applications and systems, followed by printing in the XenApp environment. Next, you will learn all the trips and tricks required to troubleshoot and support the XenApp environment. By the end of this book, you will be ready to go live with your new XenApp environment.Style and approachThis is a step-by-step guide to technical implementations in a conversational and easy-to-follow style. Each component is deployed sequentially until a full solution is built. Basic as well as advanced features of the product are explored to appeal to the widest possible audience interested in the topic.

Explore the capabilities of Dynamics NAV 2016 and discover all you need to implement it About This Book Learn the key roles of your Dynamics NAV partner and the roles within your customer’s organization Create configuration packages and perform data migration on your own Find out how to troubleshoot your problems effectively with your Dynamics NAV partner Who This Book Is For This book is for Dynamics NAV partners and end users who want to know everything about Dynamics NAV implementations. It is aimed at those who want to be project managers or get involved with Dynamics NAV, but do not have the expertise to write code themselves. What You Will Learn Study the roles within a Dynamics NAV partner and within a customer’s company Create reusable data migration packages Work with the debugger to pinpoint error messages Get to grips with the key tables used in data reporting and analysis Successfully upgrade your installation to the latest version Manage and expand your existing installation with additional functionalities Explore the free third-party add-ons that can leverage your existing installation In Detail Microsoft Dynamics NAV 2016 is an Enterprise Resource Planning (ERP) application used in all kinds of organizations around the world. It provides a great variety of functionality out-of-the-box in different topics such as accounting, sales, purchase processing, logistics, or manufacturing. It also allows companies to grow the application by customizing the solution to meet specific requirements. This book is a hands-on tutorial on working with a real Dynamics NAV implementation. You will learn about the team from your Microsoft Dynamics NAV partner as well as the team within the customer’s company. This book provides an insight into the different tools available to migrate data from the client’s legacy system into Microsoft Dynamics NAV. If you are already live with Microsoft Dynamics NAV, this books talks about upgrades and what to expect from them. We’ll also show you how to implement additional or expanding functionalities within your existing Microsoft Dynamics NAV installation, perform data analysis, debug error messages, and implement free third-party add-ons to your existing installation. This book will empower you with all the skills and knowledge you need for a successful implementation. Style and approach This book is step-by-step guide to implementing Dynamics NAV from start to finish.

Build and manage networks in OpenStack using Neutron About This Book Deploy an all-in-one cloud based on OpenStack Liberty (2015.2) using RDO Learn the fundamentals of the Neutron API including networks, subnets, and ports, and how to manage these resources in the cloud Build simple virtual network infrastructures in the cloud Who This Book Is For The book is for those who are new to OpenStack and Neutron who want to learn the cloud networking fundamentals and get started with OpenStack networking. Prior networking experience along with a virtual or physical server is recommended to follow along with the concepts demonstrated in the book. What You Will Learn Install the latest Liberty (2015.2) release of OpenStack using RDO in VirtualBox Discover the basics of the Neutron API, including networks, subnets, and ports Interact with Neutron using the CLI and Horizon dashboard Create networks and subnets that provide connectivity to instances Implement software routers that connect networks and provide network address translation Secure instances using Neutron's security group functionality In Detail The OpenStack Networking API offers users the ability to create and manage both basic and complex network architectures that blend the virtual and physical network infrastructure. This book kicks off by describing various components of Openstack Neutron and installing Ubuntu OpenStack based on Canonical's process. Further on, you will use various methods to interface with Neutron to create and manage network resources. You will also get to grips with the relationship between ports, networks, and subnets through diagrams and explanations, and see how the logical components are implemented via plugins and agents. Moving forward, you will learn how virtual switches are implemented and how to build Neutron routers. You will also configure networks, subnets, and routers to provide connectivity to instances using simple examples. At the end, you will configure and manage security groups, and will observe how these rules translate to iptables rules on the host machines. By the end of the book, you will be able to build basic network architectures using Neutron networks and routers in no time. Style and approach An easy-to-follow guide that covers the networking features of OpenStack and the core Neutron API components providing a solid foundation to deploy networks and instances.