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"Packet switching (Data transmission)"
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Principles of Broadband Switching and Networking
An authoritative introduction to the roles of switching and transmission in broadband integrated services networks Principles of Broadband Switching and Networking explains the design and analysis of switch architectures suitable for broadband integrated services networks, emphasizing packet-switched interconnection networks with distributed routing algorithms. The text examines the mathematical properties of these networks, rather than specific implementation technologies. Although the pedagogical explanations in this book are in the context of switches, many of the fundamental principles are relevant to other communication networks with regular topologies. After explaining the concept of the modern broadband integrated services network and why it is necessary in today’s society, the book moves on to basic switch design principles, discussing two types of circuit switch design—space domain and time domain—and packet switch design. Throughput improvements are illustrated by some switch design variations such as Speedup principle, Channel-Grouping principle, Knockout principle, and Dilation principle. Moving seamlessly into advanced switch design principles, the book covers switch scalability, switch design for multicasting, and path switching. Then the focus moves to broadband communications networks that make use of such switches. Readers receive a detailed introduction on how to allocate network resources and control traffic to satisfy the quality of service requirements of network users and to maximize network usage. As an epilogue, the text shows how transmission noise and packet contention have similar characteristics and can be tamed by comparable means to achieve reliable communication. Principles of Broadband Switching and Networking is written for senior undergraduate and first-year postgraduate students with a solid background in probability theory.
eBook
HSPA+ Evolution to Release 12
A comprehensive reference book providing an in-depth presentation of HSPA+ evolution, network planning and optimization, and terminal design solutions. Headed by the successful editing team of Holma, Toskala, and Tapia, industry experts look at HSPA evolution from 3GPP Release 7 to Release 12. The presentation covers MIMO antenna solutions, multicarrier evolution, Continuous Packet Connectivity (CPC), high speed common channels, and HSDPA Multiflow. The network optimization is based on extensive field experience from high loaded HSPA+networks to show solutions for maximizing data rates, minimizing interference, managing multiband deployments, heterogeneous networks, and optimizing spectrum refarming. The smartphone section shows the impact of the operating system and application on the network data and signaling traffic and on the end user performance. The terminal RF chapter gives a detailed explanation of the latest implementation solutions for multimode and multiband terminals with a special focus on power consumption minimization. The book assumes a basic understanding of mobile communications yet the material is presented in an understandable way and can be enjoyed without any pre-information about technology solutions.
eBook
Mastering Wireshark 2
Wireshark, a combination of Kali and Metasploit, deals with the second to the seventh layer of network protocols. The book will introduce to various protocol analysis methods and will teach you how to analyze them. You will discover and work with some advanced features which will enhance the capabilities of your application. By the end, you.
eBook
Mastering Wireshark 2
Mastering Wireshark 2 takes you on a practical journey into the world of network analysis and security troubleshooting. With step-by-step instructions, learn how to install and effectively use Wireshark version 2, explore packet capturing and filtering techniques, and analyze network protocol behaviors.What this Book will help me doUnderstand and utilize the core functionalities of Wireshark 2 for network analysis.Efficiently capture and filter network traffic to diagnose issues.Leverage Wireshark's analysis tools for clear and concise data interpretation.Customize Wireshark's environment to match individual needs and preferences.Gain the ability to analyze and secure modern networks by applying learned techniques.Author(s)Andrew Crouthamel is a seasoned network analyst and educator with extensive experience in IT infrastructure and security. With a passion for teaching, he brings practical applications of Wireshark to professionals. Andrew's approach is focused on giving readers actionable insights for real-world scenarios.Who is it for?This book is ideal for network security professionals and enthusiastic learners who aim to understand network functioning and enhance their troubleshooting skills. Readers are expected to have basic familiarity with Wireshark or similar network analysis tools. By bridging current knowledge gaps, you will equip yourself with the skills needed for analyzing and securing networks.
eBook
Hybrid buffer and AWG based add-drop optical packet switch
Optical packet switching (OPS) exhibits the ability to be utilized as a data transmission technique for next-generation. The core router/switch plays a significant role in packet routing and buffering in OPS. Arrayed waveguide grating (AWG) is realized as a promising core element for fast optical switching, with its intrinsic capacity to achieve wavelength routing of different wavelengths in parallel. This paper proposes an AWG-based add-drop optical packet switch, including a hybrid buffer, to resolve contention among packets. In a hybrid buffer, both optical and electronic buffers are used for the buffering of contending packets. AWGs are affected by crosstalk that can significantly impair system operation. The physical layer analysis is discussed in the presence of crosstalk, and the performance of the switch is evaluated in terms of bit error rate. The desired minimum input power is calculated for the switch’s correct operation for both optical buffer and electronic buffer. Finally, the packet loss probability (PLP) of the hybrid buffer is examined under various buffering conditions. Results reveal that with the increase in the optical power of the input signal, crosstalk power increases linearly for optical and electronic buffers. The increased crosstalk power is higher for electronic buffers than the optical buffer. The use of electronic memory in the hybrid buffer allows the hybrid buffer to increase its buffer size thus, reducing the PLP.
Journal Article
Creating Value-Added Services and Applications for Converged Communications Networks
This resource provides a comprehensive survey of current and emerging intelligent telecommunications networks, including underlying software, implementation, deployment, and standards. Readers are given an overview of new technologies and standards that allow operators and service providers to create and deploy value-added services in a changing world increasingly dominated by packet switched networks using the internet protocol (IP). The main goal of this book is to inform telecommunications engineers, ICT managers, and students about building applications and services over communications networks and managing them.
eBook
A System for Source Address Authentication and Anonymous Communication Based on SDN
Based on the idea of SDN (Software Defined Network) management and control separation and the development convenience provided by the programmable interface, we conduct the research on the security during the communication security, and protection for anonymity: (1) For the problem of communication security, we design two source address authentication schemes to detect whether the source host is legal. (2) For the problem of anonymity protection, A series of changes of the IP address in data packets by intermediate SDN switches make it difficult for the attacker to obtain information from both parties in communication. And to ensure that the address generated after the execution of those changes can uniquely identify the current data stream, we proposed the Improved-MAGA algorithm based on MAGA (M-Address Generation Algorithm). (3) For the shortest path routing algorithm, which maybe result in hot-links problems, the measurement link bandwidth utilization is added as a weight vector in the routing process to solve the problem of excessive link load caused by the default routing algorithm.
Journal Article