Client Side Consistency Mechanisms And Security Provisions For Cache Deployment In Manets
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Client Side Consistency Mechanisms And Security Provisions For Cache Deployment In Manets
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Author : Kassem Mohammad Fawaz
language : en
Publisher:
Release Date : 2011
Client Side Consistency Mechanisms And Security Provisions For Cache Deployment In Manets written by Kassem Mohammad Fawaz and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Caché (Computer file) categories.
This work proposes a client-based cache consistency scheme that is implemented on top of a previously proposed architecture for caching data items in MANETs that caches submitted queries in special nodes, called query directories (QDs), and uses them to locate the data (responses) that are stored in the nodes that requested them, called caching nodes (CNs). In this work, we introduce a totally client-based scheme that is termed DCIM which works by having the QD nodes monitor the TTL values of the cached data items and estimate update patterns on the server to adapt the TTL values accordingly. The QDs also monitor the request rates for data items and decide accordingly which items to prefetch. DCIM is analyzed to assess the delay and bandwidth gains (or costs) when compared to polling every time, and was also simulated along with two other client based schemes to assess its performance experimentally. The consistency ratio, delay, and overhead traffic are reported versus several variables, and DCIM shows to be superior when compared to existing systems.--Furthermore, DCIM is extended to handle multiple replicas inside the MANET. For this purpose, it utilizes a push based approach to propagate updates to replicas inside the network. The result is a hybrid approach that utilizes the benefits of pull approaches for client server communication, and the benefits of push approaches inside the network between the replicas. This method is analyzed mathematically, and the optimal number of replicas is obtained. It is concluded that full replication at the QDs and partial replication at the CNs is optimal. This finding is used to design the replica allocation scheme using a cost minimization model that enhances the operation of DCIM in terms of access delay and data hit rate. At the end, we provide a security analysis for the operations of the proposed system.
Security Privacy And Reliability In Computer Communications And Networks
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Author : Kewei Sha
language : en
Publisher: CRC Press
Release Date : 2022-09-01
Security Privacy And Reliability In Computer Communications And Networks written by Kewei Sha and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-09-01 with Science categories.
Future communication networks aim to build an intelligent and efficient living environment by connecting a variety of heterogeneous networks to fulfill complicated tasks. These communication networks bring significant challenges in building secure and reliable communication networks to address the numerous threat and privacy concerns. New research technologies are essential to preserve privacy, prevent attacks, and achieve the requisite reliability. Security, Privacy and Reliability in Computer Communications and Networks studies and presents recent advances reflecting the state-of-the-art research achievements in novel cryptographic algorithm design, intrusion detection, privacy preserving techniques and reliable routing protocols. Technical topics discussed in the book include: Vulnerabilities and Intrusion DetectionCryptographic Algorithms and EvaluationPrivacyReliable Routing ProtocolsThis book is ideal for personnel in computer communication and networking industries as well as academic staff and collegial, master, Ph.D. students in computer science, computer engineering, cyber security, information insurance and telecommunication systems.
Routing Flow And Capacity Design In Communication And Computer Networks
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Author : Michal Pioro
language : en
Publisher: Elsevier
Release Date : 2004-07-21
Routing Flow And Capacity Design In Communication And Computer Networks written by Michal Pioro and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-07-21 with Computers categories.
In network design, the gap between theory and practice is woefully broad. This book narrows it, comprehensively and critically examining current network design models and methods. You will learn where mathematical modeling and algorithmic optimization have been under-utilized. At the opposite extreme, you will learn where they tend to fail to contribute to the twin goals of network efficiency and cost-savings. Most of all, you will learn precisely how to tailor theoretical models to make them as useful as possible in practice.Throughout, the authors focus on the traffic demands encountered in the real world of network design. Their generic approach, however, allows problem formulations and solutions to be applied across the board to virtually any type of backbone communication or computer network. For beginners, this book is an excellent introduction. For seasoned professionals, it provides immediate solutions and a strong foundation for further advances in the use of mathematical modeling for network design. Written by leading researchers with a combined 40 years of industrial and academic network design experience. Considers the development of design models for different technologies, including TCP/IP, IDN, MPLS, ATM, SONET/SDH, and WDM. Discusses recent topics such as shortest path routing and fair bandwidth assignment in IP/MPLS networks. Addresses proper multi-layer modeling across network layers using different technologies—for example, IP over ATM over SONET, IP over WDM, and IDN over SONET. Covers restoration-oriented design methods that allow recovery from failures of large-capacity transport links and transit nodes. Presents, at the end of each chapter, exercises useful to both students and practitioners.
Distributed Applications And Interoperable Systems
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Author : Jean-Bernard Stefani
language : en
Publisher: Springer
Release Date : 2003-11-17
Distributed Applications And Interoperable Systems written by Jean-Bernard Stefani and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-11-17 with Computers categories.
This book constitutes the refereed proceedings of the 4th IFIP WG 6.1 International Conference on Distributed Applications and Interoperable Systems, DAIS 2003, held in Paris, France, in November 2003. The 21 revised full papers and 6 revised short papers presented were carefully reviewed and selected from a total of 88 submissions. The papers are organized in topical sections on adaptation and separation of concerns; deployment; security and transactions; replication; networking and routing; discovery, context-awareness, and ontologies; and asynchronous messaging.
Iot Security
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Author : Madhusanka Liyanage
language : en
Publisher: John Wiley & Sons
Release Date : 2019-12-24
Iot Security written by Madhusanka Liyanage and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-12-24 with Technology & Engineering categories.
An up-to-date guide to an overview of authentication in the Internet of Things (IoT) The Internet of things (IoT) is the network of the countless physical devices that have the possibility to connect and exchange data. Among the various security requirements, authentication to the IoT is the first step to prevent the impact of attackers. IoT Security offers an important guide into the development of the many authentication mechanisms that provide IoT authentication at various levels such as user level, device level and network level. The book covers a wide range of topics including an overview of IoT and addresses in detail the security challenges at every layer by considering both the technologies and the architecture used. The authors—noted experts on the topic—provide solutions for remediation of compromised security, as well as methods for risk mitigation, and offer suggestions for prevention and improvement. In addition, IoT Security offers a variety of illustrative use cases. This important book: Offers an authoritative reference designed for use by all IoT stakeholders Includes information for securing devices at the user, device, and network levels Contains a classification of existing vulnerabilities Written by an international group of experts on the topic Provides a guide to the most current information available on IoT security Written for network operators, cloud operators, IoT device manufacturers, IoT device users, wireless users, IoT standardization organizations, and security solution developers, IoT Security is an essential guide that contains information on security features, including underlying networks, architectures, and security requirements.
Security In Wireless Mesh Networks
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Author : Yan Zhang
language : en
Publisher: CRC Press
Release Date : 2008-08-21
Security In Wireless Mesh Networks written by Yan Zhang and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-08-21 with Computers categories.
Wireless mesh networks (WMN) encompass a new area of technology set to play an important role in the next generation wireless mobile networks. WMN is characterized by dynamic self-organization, self-configuration, and self-healing to enable flexible integration, quick deployment, easy maintenance, low costs, high scalability, and reliable services.
Wireless Network Security
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Author : Yang Xiao
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-12-29
Wireless Network Security written by Yang Xiao and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-12-29 with Computers categories.
This book identifies vulnerabilities in the physical layer, the MAC layer, the IP layer, the transport layer, and the application layer, of wireless networks, and discusses ways to strengthen security mechanisms and services. Topics covered include intrusion detection, secure PHY/MAC/routing protocols, attacks and prevention, immunization, key management, secure group communications and multicast, secure location services, monitoring and surveillance, anonymity, privacy, trust establishment/management, redundancy and security, and dependable wireless networking.
Privacy Enhancing Technologies
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Author : Roger Dingledine
language : en
Publisher: Springer
Release Date : 2003-08-02
Privacy Enhancing Technologies written by Roger Dingledine and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-08-02 with Computers categories.
This book constitutes the thoroughly refereed post-proceedings of the Second International Workshop on Privacy Enhancing Technologies, PET 2002, held in San Francisco, CA, USA, in April 2002. The 17 revised full papers presented were carefully selected during two rounds of reviewing and improvement. Among the topics addressed are Internet security, private authentication, information theoretic anonymity, anonymity measuring, enterprise privacy practices, service architectures for privacy, intersection attacks, online trust negotiation, random data perturbation, Website fingerprinting, Web user privacy, TCP timestamps, private information retrieval, and unobservable Web surfing.
Seven Deadliest Network Attacks
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Author : Stacy Prowell
language : en
Publisher: Elsevier
Release Date : 2010-06-02
Seven Deadliest Network Attacks written by Stacy Prowell and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-06-02 with Business & Economics categories.
Seven Deadliest Network Attacks identifies seven classes of network attacks and discusses how the attack works, including tools to accomplish the attack, the risks of the attack, and how to defend against the attack. This book pinpoints the most dangerous hacks and exploits specific to networks, laying out the anatomy of these attacks including how to make your system more secure. You will discover the best ways to defend against these vicious hacks with step-by-step instruction and learn techniques to make your computer and network impenetrable. The book consists of seven chapters that deal with the following attacks: denial of service; war dialing; penetration testing; protocol tunneling; spanning tree attacks; man-in-the-middle; and password replay. These attacks are not mutually exclusive and were chosen because they help illustrate different aspects of network security. The principles on which they rely are unlikely to vanish any time soon, and they allow for the possibility of gaining something of interest to the attacker, from money to high-value data. This book is intended to provide practical, usable information. However, the world of network security is evolving very rapidly, and the attack that works today may (hopefully) not work tomorrow. It is more important, then, to understand the principles on which the attacks and exploits are based in order to properly plan either a network attack or a network defense. Seven Deadliest Network Attacks will appeal to information security professionals of all levels, network admins, and recreational hackers. Knowledge is power, find out about the most dominant attacks currently waging war on computers and networks globally Discover the best ways to defend against these vicious attacks; step-by-step instruction shows you how Institute countermeasures, don’t be caught defenseless again, and learn techniques to make your computer and network impenetrable
Distributed Systems
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Author : Maarten van Steen
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2017-02
Distributed Systems written by Maarten van Steen and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-02 with categories.
For this third edition of -Distributed Systems, - the material has been thoroughly revised and extended, integrating principles and paradigms into nine chapters: 1. Introduction 2. Architectures 3. Processes 4. Communication 5. Naming 6. Coordination 7. Replication 8. Fault tolerance 9. Security A separation has been made between basic material and more specific subjects. The latter have been organized into boxed sections, which may be skipped on first reading. To assist in understanding the more algorithmic parts, example programs in Python have been included. The examples in the book leave out many details for readability, but the complete code is available through the book's Website, hosted at www.distributed-systems.net. A personalized digital copy of the book is available for free, as well as a printed version through Amazon.com.