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Why the Internet was designed to be the way it is, and how it could be different, now and in the future. How do you design an internet? The architecture of the current Internet is the product of basic design decisions made early in its history. What would an internet look like if it were designed, today, from the ground up? In this book, MIT computer scientist David Clark explains how the Internet is actually put together, what requirements it was designed to meet, and why different design decisions would create different internets. He does not take today's Internet as a given but tries to learn from it, and from alternative proposals for what an internet might be, in order to draw some gene...
Why the Internet was designed to be the way it is, and how it could be different, now and in the future. How do you design an internet? The architecture of the current Internet is the product of basic design decisions made early in its history. What would an internet look like if it were designed, today, from the ground up? In this book, MIT computer scientist David Clark explains how the Internet is actually put together, what requirements it was designed to meet, and why different design decisions would create different internets. He does not take today's Internet as a given but tries to learn from it, and from alternative proposals for what an internet might be, in order to draw some gene...
A foundational analysis of the co-evolution of the internet and international relations, examining resultant challenges for individuals, organizations, firms, and states. In our increasingly digital world, data flows define the international landscape as much as the flow of materials and people. How is cyberspace shaping international relations, and how are international relations shaping cyberspace? In this book, Nazli Choucri and David D. Clark offer a foundational analysis of the co-evolution of cyberspace (with the internet as its core) and international relations, examining resultant challenges for individuals, organizations, and states. The authors examine the pervasiveness of power an...
In a world of increasing dependence on information technology, the prevention of cyberattacks on a nation's important computer and communications systems and networks is a problem that looms large. Given the demonstrated limitations of passive cybersecurity defense measures, it is natural to consider the possibility that deterrence might play a useful role in preventing cyberattacks against the United States and its vital interests. At the request of the Office of the Director of National Intelligence, the National Research Council undertook a two-phase project aimed to foster a broad, multidisciplinary examination of strategies for deterring cyberattacks on the United States and of the poss...
This book identifies and accounts for the characteristics of the contemporary city and of urban society. It analyzes the distribution and growth of settlements and explores the social and behavioral characteristics of urban living. The latest theoretical and empirical developments and insights are synthesized and presented in an accessible and engaging way. This second edition has been extensively updated and referenced. Each chapter includes sets of learning objectives, annotated readings and topics for discussion. Well-illustrated throughout, it will be essential reading for students of geography, sociology and development studies and all who seek an understanding of how the urban world has evolved and how it will change in the twenty-first century.
Internet telephony is the integration and convergence of voice and data networks, services, and applications. The rapidly developing technology can convert analog voice input to digital data, send it over available networked channels, and then convert it back to voice output. Traditional circuit-switching networks such as telephone lines can be used together with packet-switching networks such as the Internet, thereby merging communication modes such as email, voice mail, fax, pager, real-time human speech, and multimedia videoconferencing into a single integrated system. Because Internet telephony allows the interchangeable and seamless use of phones, computers, personal digital assistants,...
Molecular Biology, Second Edition, examines the basic concepts of molecular biology while incorporating primary literature from today's leading researchers. This updated edition includes Focuses on Relevant Research sections that integrate primary literature from Cell Press and focus on helping the student learn how to read and understand research to prepare them for the scientific world.The new Academic Cell Study Guide features all the articles from the text with concurrent case studies to help students build foundations in the content while allowing them to make the appropriate connections to the text. Animations provided deal with topics such as protein purification, transcription, splic...
Born at the end of World War One into a prosperous London family, Cicely Saunders struggled at school before gaining entry to Oxford University to read Politics, Philosophy and Economics. As World War Two gained momentum, she quit academic study to train as a nurse, thereby igniting her lifelong interest in caring for others. Following a back injury, she became a medical social worker, and then in her late 30s, qualified as a physician. By now her focus was on a hugely neglected area of modern health services: the care of the dying. When she opened the world's first modern hospice in 1967 a quiet revolution got underway. Education, research, and clinical practice were combined in a model of ...
What could be good about a bad marriage? The good news is, you can get beyond that old marriage and its destructive habits, and build a brand-new one with the same spouse. And you can do it in just 90 days, even if only one spouse is committed to change. Thousands of couples in marriages that are on the brink will never enter a therapist's office, and for others it's too late by the time they do agree to come. But for more than 20 years, David Clarke has seen marriages turn around in just 12 weeks. Here he takes his 90-day plan and presents it using humor, Scripture, and personal stories to help couples turn difficult marriages into great ones. Whether the issue is communication, the kids, negative attitudes, or even serious sin, Clarke's personalized approach will put readers on the road to a great marriage.
One night, eleven-year-old Todd Whitman receives a terrifying but hilarious midnight visitor: his cockatoo-plumed, dementia-stricken, John Travolta-smitten Grandma Carter. In constant nocturnal search of the mysterious "Dancer," Grandma clutches her absurdly precious Saturday Night Fever album cover and giggles her way through the dance steps of her youth. When forty-something Todd returns home to help his dying mother, he reflects on that pivotal summer of 1981: the unique relationship he developed with his grandmother, the chaos of finding his place in a large Mormon family, the near misses of impressing the one-and-only Jenny Gillette, and the utter social catastrophe of junior high. Ultimately, despite the ups and downs of life, Todd finds peace and strength through the selfless and dedicated lives of his grandmother and mother.