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The definitive guide to developing robust content delivery networks This book examines the real-world engineering challenges of developing robust content delivery networks (CDNs) and provides the tools required to overcome those challenges and to ensure high-quality content delivery that fully satisfies operators’ and consumers' commercial objectives. It is informed by the author’s two decades of experience building and delivering large, mission-critical live video, webcasts, and radio streaming, online and over private IP networks. Following an overview of the field, the book cuts to the chase with in-depth discussions—laced with good-natured humor—of a wide range of design considerations for different network topologies. It begins with a description of the author's own requirement filtration processes. From there it moves on to initial sketches, through considerations of stakeholder roles and responsibilities, to the complex challenges of managing change in established teams. Agile versus waterfall considerations within large blue chip companies, security, commercial models, and value chain alignment are explored in detail. Featured throughout the book are numerous "what if" scenarios that help provide a clear picture of the wide spectrum of practical contexts for which readers may be tasked with building and implementing a CDN. In addition, the book: Discusses delivery of live, catch-up, scheduled on-demand, TVOD and SVOD Offers insights into the decisions that can to be made when architecting a content distribution system over IP-based networks Covers CDN topologies, including Edge-Caching, Streaming-Splitting, Pure-Play, Operator, Satellite, and Hybrid Examines computer hosting and orchestration for dedicated appliances and virtualization Includes real-world cases covering everything from IETF, regulatory considerations, and policy formation, to coding, hardware vendors, and network operators Considers the future of CDN technologies and the market forces driving its evolution Written by a back-room engineer for back-room engineers, Content Delivery Networks gets readers up to speed on the real-world challenges they can face as well as tried-and-true strategies for addressing those challenges in order to ensure the delivery of the high-quality content delivery networks that clients demand and users expect.
From the creator of the popular website Ask a Manager and New York’s work-advice columnist comes a witty, practical guide to 200 difficult professional conversations—featuring all-new advice! There’s a reason Alison Green has been called “the Dear Abby of the work world.” Ten years as a workplace-advice columnist have taught her that people avoid awkward conversations in the office because they simply don’t know what to say. Thankfully, Green does—and in this incredibly helpful book, she tackles the tough discussions you may need to have during your career. You’ll learn what to say when • coworkers push their work on you—then take credit for it • you accidentally trash-talk someone in an email then hit “reply all” • you’re being micromanaged—or not being managed at all • you catch a colleague in a lie • your boss seems unhappy with your work • your cubemate’s loud speakerphone is making you homicidal • you got drunk at the holiday party Praise for Ask a Manager “A must-read for anyone who works . . . [Alison Green’s] advice boils down to the idea that you should be professional (even when others are not) and that communicating in a straightforward manner with candor and kindness will get you far, no matter where you work.”—Booklist (starred review) “The author’s friendly, warm, no-nonsense writing is a pleasure to read, and her advice can be widely applied to relationships in all areas of readers’ lives. Ideal for anyone new to the job market or new to management, or anyone hoping to improve their work experience.”—Library Journal (starred review) “I am a huge fan of Alison Green’s Ask a Manager column. This book is even better. It teaches us how to deal with many of the most vexing big and little problems in our workplaces—and to do so with grace, confidence, and a sense of humor.”—Robert Sutton, Stanford professor and author of The No Asshole Rule and The Asshole Survival Guide “Ask a Manager is the ultimate playbook for navigating the traditional workforce in a diplomatic but firm way.”—Erin Lowry, author of Broke Millennial: Stop Scraping By and Get Your Financial Life Together
Dissecting the Hack: The F0rb1dd3n Network, Revised Edition, deals with hackers and hacking. The book is divided into two parts. The first part, entitled "The F0rb1dd3n Network, tells the fictional story of Bob and Leon, two kids caught up in an adventure where they learn the real-world consequence of digital actions. The second part, "Security Threats Are Real (STAR), focuses on these real-world lessons.The F0rb1dd3n Network can be read as a stand-alone story or as an illustration of the issues described in STAR. Throughout The F0rb1dd3n Network are "Easter eggs—references, hints, phrases, and more that will lead readers to insights into hacker culture. Drawing on The F0rb1dd3n Network, STAR explains the various aspects of reconnaissance; the scanning phase of an attack; the attacker's search for network weaknesses and vulnerabilities to exploit; the various angles of attack used by the characters in the story; basic methods of erasing information and obscuring an attacker's presence on a computer system; and the underlying hacking culture. - Revised edition includes a completely NEW STAR Section (Part 2) - Utilizes actual hacking and security tools in its story- helps to familiarize a newbie with the many devices and their code - Introduces basic hacking techniques in real life context for ease of learning
Pick up where certification exams leave off. With this practical, in-depth guide to the entire network infrastructure, you’ll learn how to deal with real Cisco networks, rather than the hypothetical situations presented on exams like the CCNA. Network Warrior takes you step by step through the world of routers, switches, firewalls, and other technologies based on the author's extensive field experience. You'll find new content for MPLS, IPv6, VoIP, and wireless in this completely revised second edition, along with examples of Cisco Nexus 5000 and 7000 switches throughout. Topics include: An in-depth view of routers and routing Switching, using Cisco Catalyst and Nexus switches as examples SOHO VoIP and SOHO wireless access point design and configuration Introduction to IPv6 with configuration examples Telecom technologies in the data-networking world, including T1, DS3, frame relay, and MPLS Security, firewall theory, and configuration, as well as ACL and authentication Quality of Service (QoS), with an emphasis on low-latency queuing (LLQ) IP address allocation, Network Time Protocol (NTP), and device failures
An intranet can be a powerful tool. A well-designed intranet becomes the key resource and communications platform for your organization, used by members of staff as their first destination for information. In contrast, a poorly designed intranet will sit unused, accumulating useless information, and eating up IT budgets. So, how do you avoid this situation, and make sure you design the most useful, and usable, intranet? This book takes you through the steps you need to take to make an invaluable intranet, from identifying your users' needs and building an indispensable tool, to marketing the results. It guides you through the problems that may occur, passing on invaluable advice from people who have been through the process before. We start by setting the scene, giving an overview of what intranets are and how to justify it to your organization. We then give you a rundown of the main areas you'll need to think about when developing an intranet, covering browsers, development techniques, usability, content management, security, and internal marketing. Finally, we'll take a look at what to do when the Intranet moves beyond its original function, looking at remote access, extranets, and what to do when the Intranet gets too big.
A New York Times Notable Book from the author of Reclamation: A young woman must face off against an alien force within her starship’s computer. Katmer Al Shei has done well with the starship Pasadena, cutting corners where necessary to keep her crew paid and her journeys profitable. But there are two things she will never skimp on: her crew and her fool. For a long space journey, a certified Fool’s Guild clown is essential to amuse, excite, and otherwise distract the crew from the drudgeries of interstellar flight. Her newest fool, Evelyn Dobbs, is a talented jester. But does she have enough wit to save mankind? In the computers of the Pasadena, something is emerging. The highly sophisticated software that makes interstellar travel practical is playing host to a new form of artificial intelligence, a living entity. And it will do whatever it takes to survive . . . Displaying “the influence of Asimov’s robot stories and C. J. Cherryh’s elaborate, sophisticated spaceship adventures,” this is a science fiction masterpiece that asks the thought-provoking question, “What if the next great life-form with which we must contend isn’t from the stars but from our hard drives?” (Publishers Weekly)
Provides research on the social and human aspects of information security. Presents the latest trends, issues, and findings in the field.
For more than 20 years, Network World has been the premier provider of information, intelligence and insight for network and IT executives responsible for the digital nervous systems of large organizations. Readers are responsible for designing, implementing and managing the voice, data and video systems their companies use to support everything from business critical applications to employee collaboration and electronic commerce.
From the authors of the bestselling Hack Proofing Your Network!Yahoo!, E-Bay, Amazon. Three of the most popular, well-established, and lavishly funded Web sites in existence, yet hackers managed to penetrate their security systems and cripple these and many other Web giants for almost 24 hours. E-Commerce giants, previously thought to be impenetrable are now being exposed as incredibly vulnerable. This book will give e-commerce architects and engineers insight into the tools and techniques used by hackers to compromise their sites. The security of e-commerce sites is even more imperative than non-commerce sites, because the site has the added responsibility of maintaining the security of their customer's personal and financial information.Hack Proofing Your E-Commerce Site will provide computer architects and engineers all of the information they need to design and implement security measures. * Heightened media awareness of malicious attacks against "secure" sites guarantees a wide audience * Uses forensics-based analysis to give the reader insight to the mind of a hacker. This understanding is crucial for security professionals to defend against attacks
Are you sometimes stressed, anxious, or emotional? Do you ever feel something is missing, even when you think you should be happy? Are there people with whom you dont get on well but wish you did? Have you ever wondered why you behave a certain way, do or dont do certain things, or have done something you now regret? This is not a typical self-help book, because self-help books are usually read by people who think they have a problem to solve. This book is for everyone. Using straightforward jargon-free language it discusses many of the difficult issues of life, most of which are likely to affect us or someone we know at one time or another. It includes short discussions of stress, relationships, love affairs, work, parenting, sibling rivalry, motherhood, divorce, weddings, Christmas, teenagers, arguments, criticism, depression, communication, childhood, bullying, chronic pain, self-harm, addiction, suicide, bereavement, kindness, abuse, the battle of the sexes and more. People who can stay calm and content no matter what life throws at them all have similar thoughts and attributes which can be learnt by anyone. The central theme of this book is self-esteem and how it is affected every day by our circumstances and the people we come across. We are usually unaware that it is our self-esteem that drives our emotions, thoughts, and actions. The authors clients suggested this book be written so anyone could learn how to stay calm and content no matter what life throws at them. Personal stories highlight how you can control or change how you feel about yourself, and how you can positively influence your life and the lives of everyone around you.