The next frontier for wireless LANs is 802.11ac, a standard that increases throughput beyond one gigabit per second. This concise guide provides in-depth information to help you plan for 802.11ac, with technical details on design, network operations, deployment, and monitoring. Author Matthew Gast - an industry expert who led the development of 802.11-2012 and security task groups at the Wi-Fi Alliance - explains how 802.11ac will not only increase the speed of your network, but its capacity as well. Whether you need to serve more clients with your current level of throughput, or serve your existing client load with higher throughput, 802.11ac is the solution. This book gets you started. Understand how the 802.11ac protocol works to improve the speed and capacity of a wireless LAN Explore how beamforming increases speed capacity by improving link margin, and lays the foundation for multi-user MIMO Learn how multi-user MIMO increases capacity by enabling an AP to send data to multiple clients simultaneously Plan when and how to upgrade your network to 802.11ac by evaluating client devices, applications, and network connections

From Charles M. Kozierok, the creator of the highly regarded www.pcguide.com, comes The TCP/IP Guide. This completely up-to-date, encyclopedic reference on the TCP/IP protocol suite will appeal to newcomers and the seasoned professional alike. Kozierok details the core protocols that make TCP/IP internetworks function and the most important classic TCP/IP applications, integrating IPv6 coverage throughout. Over 350 illustrations and hundreds of tables help to explain the finer points of this complex topic. The book s personal, user-friendly writing style lets readers of all levels understand the dozens of protocols and technologies that run the Internet, with full coverage of PPP, ARP, IP, IPv6, IP NAT, IPSec, Mobile IP, ICMP, RIP, BGP, TCP, UDP, DNS, DHCP, SNMP, FTP, SMTP, NNTP, HTTP, Telnet, and much more. The TCP/IP Guide is a must-have addition to the libraries of internetworking students, educators, networking professionals, and those working toward certification.

Turn your iPhone or iPad into the hub of a distributed sensor network with the help of an Arduino microcontroller. With this concise guide, you'll learn how to connect an external sensor to an iOS device and have them talk to each other through Arduino. You'll also build an iOS application that will parse the sensor values it receives and plot the resulting measurements, all in real-time.

iOS processes data from its own onboard sensors, and now you can extend its reach with this simple, low-cost project. If you're an Objective-C programmer who likes to experiment, this book explains the basics of Arduino and other hardware components you need--and lets you have fun in the process.Learn how to connect the Arduino platform to any iOS deviceBuild a simple application to control your Arduino directly from an iPadGather measurements from an ultrasonic range finder and display them on your iPhoneConnect an iPhone, iPad, or iPod Touch to an XBee radio networkExplore other methods for connecting external sensors to iOS, including Ethernet and the MIDI protocol

Industry 4.0, PLC and VFD wiring and programming made easy with this step-by-step guide that simplifies complex topics in industrial automation Key Features * Everything you need to know about Industrial Automation and Electronics * Learn how to build and monitor a project using SCADA and HMI * Explore emerging wireless technologies such as 5G to build smart factories Book Description By automating processes, industrial automation has become a "Solution" for all types of industries to reduce manual labour inputs and costs. Take a look at this book to discover the abilities you'll need to become an authority in industrial automation. This book will begin by defining Industrial Automation and describing its various forms, levels, and advantages. Various switches, sensors, and actuators will also be discussed. Next, you will learn about the Direct On-Line (DOL) starter and its accompanying components such as the circuit breaker, contactor, and overload relay. As you progress, you'll learn more about VFDs, their parameter settings, and how to wire and programme them for induction motor control. You'll also be able to run simulations to test your software to see if it's working or not. The book also includes a step-by-step guide that introduces other technologies including HMI and SCADA, as well as temperature, pressure, level, and flow measurement and transmitters. The final chapter contains crucial information on Industry 4.0 (Smart Factory) that will be helpful to individuals who need to comprehend the technology. By the end of this book, you will have gained knowledge right from basic to advanced levels of Industrial Automation and be able to design basic automated machines using sensors, actuators, and PLC. What you will learn * Understand industrial automation and its various application * Learn automation parts such as sensors, and motors * Know Industrial Control systems, principles of AC, DC, and Servo motors * Perform troubleshooting procedures on electrical devices * Discover Wireless Communication and network topologies * Explore industrial networks, wired and wireless networks, and 5G * Implement common industrial network protocols. Who This Book Is For The book is for someone who will be an Electronic/Industrial Engineers and IoT engineer, or anyone who wants to know about Industrial automation from scratch. Prior knowledge of Circuits and programming will be required.

Understand the world of modern network automation with Go and deepen your knowledge with insights from 10+ experts who have real-world hands-on experience with network automation and/or are using Go for network-related tasks Key Features A comprehensive guide to the world of modern network automation Use Go to build anything from repetitive task automation to complex distributed systems Over 30 practical, ready-to-use sample programs Book DescriptionGo's built-in first-class concurrency mechanisms make it an ideal choice for long-lived low-bandwidth I/O operations, which are typical requirements of network automation and network operations applications. This book provides a quick overview of Go and hands-on examples within it to help you become proficient with Go for network automation. It's a practical guide that will teach you how to automate common network operations and build systems using Go. The first part takes you through a general overview, use cases, strengths, and inherent weaknesses of Go to prepare you for a deeper dive into network automation, which is heavily reliant on understanding this programming language. You'll explore the common network automation areas and challenges, what language features you can use in each of those areas, and the common software tools and packages. To help deepen your understanding, you'll also work through real-world network automation problems and apply hands-on solutions to them. By the end of this book, you'll be well-versed with Go and have a solid grasp on network automation. What you will learn Understand Go programming language basics via network-related examples Find out what features make Go a powerful alternative for network automation Explore network automation goals, benefits, and common use cases Discover how to interact with network devices using a variety of technologies Integrate Go programs into an automation framework Take advantage of the OpenConfig ecosystem with Go Build distributed and scalable systems for network observability Who this book is forThis book is for all network engineers, administrators, and other network practitioners looking to understand what network automation is and how the Go programming language can help develop network automation solutions. As the first part of the book offers a comprehensive overview of Go's main features, this book is suitable for beginners with a solid grasp on programming basics.

The definitive resource for the NRS II exams--three complete courses in a book

Alcatel-Lucent is a world leader in designing and developing scalable systems for service providers. If you are a network designer or operator who uses Alcatel-Lucent's 7750 family of service routers, prepare for certification as an A-L network routing specialist with this complete self-study course. You'll get thorough preparation for the NRS II exams while you learn to build state-of-the-art, scalable IP/MPLS-based service networks.

The book provides you with an in-depth understanding of the protocols and technologies involved in building an IP/MPLS network while teaching you how to avoid pitfalls and employ the most successful techniques available. Topics covered include interior routing protocols, multiprotocol label switching (MPLS), Layer2/Layer3 services and IPv6. The included CD features practice exam questions, sample lab exercises, and more.Prepares network professionals for Alcatel-Lucent Service Routing Certification (SRC) exams 4A0-101, 4A0-103, 4A0-104 and NRSII4A0Covers content from Alcatel-Lucent's SRC courses on Interior Routing Protocols, Multiprotocol Label Switching, and Services ArchitectureSpecific topics include MPLS (RSVP-TE and LDP), services architecture, Layer2/Layer 3 services (VPWS/VPLS/VPRN/IES/service inter-working/IPv6 tunneling), and OSPF and IS-IS for traffic engineering and IPv6.CD includes practice exam questions, lab exercises and solutions.

This "Self-Study Guide" is the authoritative resource for network professionals preparing for the Alcatel-Lucent NRS II certification exams.

Expertly analyze common protocols such as TCP, IP, and ICMP, along with learning how to use display and capture filters, save and export captures, create IO and stream graphs, and troubleshoot latency issues Key Features Gain a deeper understanding of common protocols so you can easily troubleshoot network issues Explore ways to examine captures to recognize unusual traffic and possible network attacks Learn advanced techniques, create display and capture filters, and generate IO and stream graphs Book DescriptionWireshark is a popular and powerful packet analysis tool that helps network administrators investigate latency issues and potential attacks. Over the years, there have been many enhancements to Wireshark's functionality. This book will guide you through essential features so you can capture, display, and filter data with ease. In addition to this, you'll gain valuable tips on lesser-known configuration options, which will allow you to complete your analysis in an environment customized to suit your needs. This updated second edition of Learn Wireshark starts by outlining the benefits of traffic analysis. You'll discover the process of installing Wireshark and become more familiar with the interface. Next, you'll focus on the Internet Suite and then explore deep packet analysis of common protocols such as DNS, DHCP, HTTP, and ARP. The book also guides you through working with the expert system to detect network latency issues, create I/O and stream graphs, subset traffic, and save and export captures. Finally, you'll understand how to share captures using CloudShark, a browser-based solution for analyzing packet captures. By the end of this Wireshark book, you'll have the skills and hands-on experience you need to conduct deep packet analysis of common protocols and network troubleshooting as well as identify security issues. What you will learn Master network analysis and troubleshoot anomalies with Wireshark Discover the importance of baselining network traffic Correlate the OSI model with frame formation in Wireshark Narrow in on specific traffic by using display and capture filters Conduct deep packet analysis of common protocols: IP, TCP, and ARP Understand the role and purpose of ICMP, DNS, HTTP, and DHCP Create a custom configuration profile and personalize the interface Create I/O and stream graphs to better visualize traffic Who this book is forIf you are a network administrator, security analyst, student, or teacher and want to learn about effective packet analysis using Wireshark, then this book is for you. In order to get the most from this book, you should have basic knowledge of network fundamentals, devices, and protocols along with an understanding of different topologies.

Get ready to create distributed sensor systems and intelligent interactive devices using the ZigBee wireless networking protocol and Series 2 XBee radios. By the time you're halfway through this fast-paced, hands-on guide, you'll have built a series of useful projects, including a complete ZigBee wireless network that delivers remotely sensed data. Radio networking is creating revolutions in volcano monitoring, performance art, clean energy, and consumer electronics. As you follow the examples in each chapter, you'll learn how to tackle inspiring projects of your own. This practical guide is ideal for inventors, hackers, crafters, students, hobbyists, and scientists. * Investigate an assortment of practical and intriguing project ideas * Prep your ZigBee toolbox with an extensive shopping list of parts and programs * Create a simple, working ZigBee network with XBee radios in less than two hours -- for under $100 * Use the Arduino open source electronics prototyping platform to build a series of increasingly complex projects * Get familiar with XBee's API mode for creating sensor networks * Build fully scalable sensing and actuation systems with inexpensive components * Learn about power management, source routing, and other XBee technical nuances * Make gateways that connect with neighboring networks, including the Internet

Discover how to write high-quality character driver code, interface with userspace, work with chip memory, and gain an in-depth understanding of working with hardware interrupts and kernel synchronization Key Features Delve into hardware interrupt handling, threaded IRQs, tasklets, softirqs, and understand which to use when Explore powerful techniques to perform user-kernel interfacing, peripheral I/O and use kernel mechanisms Work with key kernel synchronization primitives to solve kernel concurrency issues Book DescriptionLinux Kernel Programming Part 2 - Char Device Drivers and Kernel Synchronization is an ideal companion guide to the Linux Kernel Programming book. This book provides a comprehensive introduction for those new to Linux device driver development and will have you up and running with writing misc class character device driver code (on the 5.4 LTS Linux kernel) in next to no time. You'll begin by learning how to write a simple and complete misc class character driver before interfacing your driver with user-mode processes via procfs, sysfs, debugfs, netlink sockets, and ioctl. You'll then find out how to work with hardware I/O memory. The book covers working with hardware interrupts in depth and helps you understand interrupt request (IRQ) allocation, threaded IRQ handlers, tasklets, and softirqs. You'll also explore the practical usage of useful kernel mechanisms, setting up delays, timers, kernel threads, and workqueues. Finally, you'll discover how to deal with the complexity of kernel synchronization with locking technologies (mutexes, spinlocks, and atomic/refcount operators), including more advanced topics such as cache effects, a primer on lock-free techniques, deadlock avoidance (with lockdep), and kernel lock debugging techniques. By the end of this Linux kernel book, you'll have learned the fundamentals of writing Linux character device driver code for real-world projects and products. What you will learn Get to grips with the basics of the modern Linux Device Model (LDM) Write a simple yet complete misc class character device driver Perform user-kernel interfacing using popular methods Understand and handle hardware interrupts confidently Perform I/O on peripheral hardware chip memory Explore kernel APIs to work with delays, timers, kthreads, and workqueues Understand kernel concurrency issues Work with key kernel synchronization primitives and discover how to detect and avoid deadlock Who this book is forAn understanding of the topics covered in the Linux Kernel Programming book is highly recommended to make the most of this book. This book is for Linux programmers beginning to find their way with device driver development. Linux device driver developers looking to overcome frequent and common kernel/driver development issues, as well as perform common driver tasks such as user-kernel interfaces, performing peripheral I/O, handling hardware interrupts, and dealing with concurrency will benefit from this book. A basic understanding of Linux kernel internals (and common APIs), kernel module development, and C programming is required.

In the event of a disastrous event leading to the loss of communication networks, ad-hoc networks are a potent wireless communication resource because of their unique features including being quickly deployable and having a distributed nature, large coverage area, reduced cost, and more. Flying ad-hoc networks (FANETS) and vehicular ad-hoc networks (VANETS) are the future technology and can solve many problems in e-commerce delivery through drones, agriculture, vaccine delivery, and more. The unique characteristics of these networks and special requirements have created new challenges for the research community in recent decades. Modelling and Simulation of Fast-Moving Ad-Hoc Networks (FANETs and VANETs) enhances the modelling and simulation aspects of FANETS and VANETS and understands the protocols in mac layer and network layers for fast-moving ad-hoc networks. It presents simulations run using various simulation tools and measures the performance metrics of ad-hoc networks. Covering topics such as emulation tools, secure communication, and modelling software, this premier reference source is an excellent resource for computer scientists, IT specialists, business leaders and managers, supply chain and logistics management, libraries, students, government officials, international organizations, law enforcement, engineers, agriculturalists, researchers, and academicians.

Explore Ansible Automation Platform and understand how the different pieces interact to standardize and scale automation Key Features Curated by a senior consultant at Red Hat with real-world examples to maximize use of Ansible Automation Platform Use roles and modules to create interactive playbooks in Ansible Automation Platform Discover best practices for simplifying management of Ansible Automation Platform Book DescriptionWhile you can use any automation software to simplify task automation, scaling automation to suit your growing business needs becomes difficult using only a command-line tool. Ansible Automation Platform standardizes how automation is deployed, initiated, delegated, and audited, and this comprehensive guide shows you how you can simplify and scale its management. The book starts by taking you through the ways to get Ansible Automation Platform installed, their pros and cons, and the initial configuration. You'll learn about each object in the platform, how it interacts with other objects, as well as best practices for defining and managing objects to save time. You'll see how to maintain the created pieces with infrastructure as code. As you advance, you'll monitor workflows with CI/CD playbooks and understand how Ansible Automation Platform integrates with many other services such as GitLab and GitHub. By the end of this book, you'll have worked through real-world examples to make the most of the platform while learning how to manipulate, manage, and deploy any playbook to Ansible Automation Platform. What you will learn Get the hang of different parts of Ansible Automation Platform and their maintenance Back up and restore an installation of Ansible Automation Platform Launch and configure basic and advanced workflows and jobs Create your own execution environment using CI/CD pipelines Interact with Git, Red Hat Authentication Server, and logging services Integrate the Automation controller with services catalog Use Automation Mesh to scale Automation Controller Who this book is forThis book is for IT administrators, DevOps engineers, cloud engineers, and automation engineers seeking to understand and maintain the controller part of Ansible Automation Platform. If you have basic knowledge of Ansible, can set up a virtual machine, or have OpenShift experience, and want to know more about scaling Ansible, this book is for you.

Discover practical recipes to help you efficiently monitor enterprise IT infrastructure for Microsoft Windows, Linux, networking, and more Key Features Find out how you can leverage some of the most exciting features of Zabbix 6 Perform professional IT infrastructure and application monitoring on multiple platforms Discover easy-to-follow, practical solutions to problems in network monitoring with Zabbix Book DescriptionThis updated second edition of the Zabbix 6 IT Infrastructure Monitoring Cookbook brings you new recipes, updated with Zabbix 6 functionality. You'll learn how to set up Zabbix with built-in high availability, use the improved Business Service Monitoring, set up automatic reporting, and create advanced triggers. Zabbix offers useful insights into your infrastructure performance and issues and enables you to enhance your monitoring setup with its powerful features. This book covers hands-on, easy-to-follow recipes for using Zabbix 6 to monitor effectively the performance of devices and applications over the network. You'll start by working your way through the installation and most prominent features of Zabbix and make the right design choices for building a scalable and easily manageable environment. This Zabbix book contains recipes for building items and triggers for different types of monitoring, building templates, and using Zabbix proxies. Next, you'll use the Zabbix API for customization and manage your Zabbix server and database efficiently. Finally, you'll find quick solutions to the common and not-so-common problems that you may encounter in your Zabbix monitoring work. By the end of this book, you'll be able to use Zabbix for all your monitoring needs and build a solid Zabbix setup by leveraging its key functionalities. What you will learn Implement your high-availability Zabbix setup Build templates and explore the different types of monitoring available in Zabbix 6 Use Zabbix proxies to scale your environment effectively Work with custom integrations and the Zabbix API Set up advanced triggers and effective alerting Maintain your Zabbix setup for scaling, backups, and upgrades Discover how to perform advanced Zabbix database management Monitor cloud-based products such as Amazon Web Services (AWS), Azure, and Docker Who this book is forThis book is for IT engineers who want to get started with Zabbix and anyone with an intermediate-level understanding of Zabbix looking to extend their knowledge. Although not necessary, prior experience with Zabbix will help you to make the most of this book.

With the internet of things (IoT), it is proven that enormous networks can be created to interconnect objects and facilitate daily life in a variety of domains. Research is needed to study how these improvements can be applied in different ways, using different technologies, and through the creation of different applications. IoT Protocols and Applications for Improving Industry, Environment, and Society contains the latest research on the most important areas and challenges in the internet of things and its intersection with technologies and tools such as artificial intelligence, blockchain, model-driven engineering, and cloud computing. The book covers subfields that examine smart homes, smart towns, smart earth, and the industrial internet of things in order to improve daily life, protect the environment, and create safer and easier jobs. While covering a range of topics within IoT including Industry 4.0, security, and privacy, this book is ideal for computer scientists, engineers, practitioners, stakeholders, researchers, academicians, and students who are interested in the latest applications of IoT.

Get to grips with the most common as well as complex Linux networking configurations, tools, and services to enhance your professional skills Key Features Learn how to solve critical networking problems using real-world examples Configure common networking services step by step in an enterprise environment Discover how to build infrastructure with an eye toward defense against common attacks Book DescriptionAs Linux continues to gain prominence, there has been a rise in network services being deployed on Linux for cost and flexibility reasons. If you are a networking professional or an infrastructure engineer involved with networks, extensive knowledge of Linux networking is a must. This book will guide you in building a strong foundation of Linux networking concepts. The book begins by covering various major distributions, how to pick the right distro, and basic Linux network configurations. You'll then move on to Linux network diagnostics, setting up a Linux firewall, and using Linux as a host for network services. You'll discover a wide range of network services, why they're important, and how to configure them in an enterprise environment. Finally, as you work with the example builds in this Linux book, you'll learn to configure various services to defend against common attacks. As you advance to the final chapters, you'll be well on your way towards building the underpinnings for an all-Linux datacenter. By the end of this book, you'll be able to not only configure common Linux network services confidently, but also use tried-and-tested methodologies for future Linux installations. What you will learn Use Linux as a troubleshooting and diagnostics platform Explore Linux-based network services Configure a Linux firewall and set it up for network services Deploy and configure Domain Name System (DNS) and Dynamic Host Configuration Protocol (DHCP) services securely Configure Linux for load balancing, authentication, and authorization services Use Linux as a logging platform for network monitoring Deploy and configure Intrusion Prevention Services (IPS) Set up Honeypot solutions to detect and foil attacks Who this book is forThis book is for IT and Windows professionals and admins looking for guidance in managing Linux-based networks. Basic knowledge of networking is necessary to get started with this book.

Packed with the latest information on TCP/IP standards and protocols

TCP/IP is a hot topic, because it's the glue that holds the Internet and the Web together, and network administrators need to stay on top of the latest developments. "TCP/IP For Dummies, 6th Edition, " is both an introduction to the basics for beginners as well as the perfect go-to resource for TCP/IP veterans.

The book includes the latest on Web protocols and new hardware, plus very timely information on how TCP/IP secures connectivity for blogging, vlogging, photoblogging, and social networking. Step-by-step instructions show you how to install and set up TCP/IP on clients and servers; build security with encryption, authentication, digital certificates, and signatures; handle new voice and mobile technologies, and much more.Transmission Control Protocol / Internet Protocol (TCP/IP) is the de facto standard transmission medium worldwide for computer-to-computer communications; intranets, private internets, and the Internet are all built on TCP/IPThe book shows you how to install and configure TCP/IP and its applications on clients and servers; explains intranets, extranets, and virtual private networks (VPNs); provides step-by-step information on building and enforcing security; and covers all the newest protocolsYou'll learn how to use encryption, authentication, digital certificates, and signatures to set up a secure Internet credit card transaction

Find practical security tips, a Quick Start Security Guide, and still more in this practical guide.