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Broadband Network Architectures

Broadband Network Architectures
Author: Chris Hellberg
Publisher: Pearson Education
Total Pages: 622
Release: 2007-05-01
Genre: Computers
ISBN: 013270451X
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Service providers are increasingly focused on delivering triple-play bundles that incorporate Internet, video, and VoIP services—as well as multi-play bundles containing even more advanced services. Broadband Network Architectures is the first comprehensive guide to designing, implementing, and managing the networks that make triple-play services possible. Hellberg, Greene, and Boyes present their field-tested industry best practices and objectively evaluate the tradeoffs associated with key up-front architectural decisions that balance the complexities of bundled services and sophisticated traffic policies. Broadband Network Architectures not only documents what is possible on this rapidly changing field of networking, but it also details how to divide Internet access into these more sophisticated services with specialized Quality of Service handling. Coverage includes · An in-depth introduction to next-generation triple-play services: components, integration, and business connectivity · Triple-play backbone design: MPLS, Layer 3 VPNs, and Broadband Network Gateways (BNGs)/Broadband Remote Access Servers (B-RAS) · Protocols and strategies for integrating BNGs into robust triple-play networks · Triple-play access network design: DSLAM architectures, aggregation networks, transport, and Layer 2 tunneling · VLAN-per-customer versus service-per-VLAN architectures: advantages and disadvantages · PPP or DHCP: choosing the right access protocol · Issues associated with operating in wholesale, unbundled environments · IP addressing and subscriber session management · Broadband network security, including Denial of Service attacks and VoIP privacy · The future of wireless broadband: IMS, SIP, and non-SIP based fixed mobile convergence and wireless video

Internet Architecture and Innovation

Internet Architecture and Innovation
Author: Barbara Van Schewick
Publisher: MIT Press
Total Pages: 587
Release: 2012-08-24
Genre: Computers
ISBN: 0262265575
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A detailed examination of how the underlying technical structure of the Internet affects the economic environment for innovation and the implications for public policy. Today—following housing bubbles, bank collapses, and high unemployment—the Internet remains the most reliable mechanism for fostering innovation and creating new wealth. The Internet's remarkable growth has been fueled by innovation. In this pathbreaking book, Barbara van Schewick argues that this explosion of innovation is not an accident, but a consequence of the Internet's architecture—a consequence of technical choices regarding the Internet's inner structure that were made early in its history. The Internet's original architecture was based on four design principles: modularity, layering, and two versions of the celebrated but often misunderstood end-to-end arguments. But today, the Internet's architecture is changing in ways that deviate from the Internet's original design principles, removing the features that have fostered innovation and threatening the Internet's ability to spur economic growth, to improve democratic discourse, and to provide a decentralized environment for social and cultural interaction in which anyone can participate. If no one intervenes, network providers' interests will drive networks further away from the original design principles. If the Internet's value for society is to be preserved, van Schewick argues, policymakers will have to intervene and protect the features that were at the core of the Internet's success.

New Network Architectures

New Network Architectures
Author: Tania Tronco
Publisher: Springer Science & Business Media
Total Pages: 250
Release: 2010-07-05
Genre: Technology & Engineering
ISBN: 3642132464
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"Future Internet" is a worldwide hot topic. The Internet has become a critical infrastructure for business development and social interactions. However, the immense growth of the Internet has resulted in additional stresses on its architecture, resulting in a network difficult to monitor, understand, and manage due to its huge scale in terms of connected devices and actors (end users, content providers, equipment vendors, etc). This book presents and discusses the ongoing initiatives and experimental facilities for the creation of new Future Internet Architectures using alternative approaches like Clean Slate and Incremental improvements: It considers several possible internet network use scenarios that include seamless mobility, ad hoc networks, sensor networks, internet of things and new paradigms like content and user centric networks.

Patterns in Network Architecture

Patterns in Network Architecture
Author: John Day
Publisher: Pearson Education
Total Pages: 540
Release: 2007-12-27
Genre: Computers
ISBN: 0132704560
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In Patterns in Network Architecture, pioneer John Day takes a unique approach to solving the problem of network architecture. Piercing the fog of history, he bridges the gap between our experience from the original ARPANET and today’s Internet to a new perspective on networking. Along the way, he shows how socioeconomic forces derailed progress and led to the current crisis. Beginning with the seven fundamental, and still unanswered, questions identified during the ARPANET’s development, Patterns in Network Architecture returns to bedrock and traces our experience both good and bad. Along the way, he uncovers overlooked patterns in protocols that simplify design and implementation and resolves the classic conflict between connection and connectionless while retaining the best of both. He finds deep new insights into the core challenges of naming and addressing, along with results from upper-layer architecture. All of this in Day’s deft hands comes together in a tour de force of elegance and simplicity with the annoying turn of events that the answer has been staring us in the face: Operating systems tell us even more about networking than we thought. The result is, in essence, the first “unified theory of networking,” and leads to a simpler, more powerful—and above all—more scalable network infrastructure. The book then lays the groundwork for how to exploit the result in the design, development, and management as we move beyond the limitations of the Internet.

Designing an Internet

Designing an Internet
Author: David D. Clark
Publisher: MIT Press
Total Pages: 433
Release: 2018-10-30
Genre: Computers
ISBN: 0262038609
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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 general conclusions about network architecture. Clark discusses the history of the Internet, and how a range of potentially conflicting requirements—including longevity, security, availability, economic viability, management, and meeting the needs of society—shaped its character. He addresses both the technical aspects of the Internet and its broader social and economic contexts. He describes basic design approaches and explains, in terms accessible to nonspecialists, how networks are designed to carry out their functions. (An appendix offers a more technical discussion of network functions for readers who want the details.) He considers a range of alternative proposals for how to design an internet, examines in detail the key requirements a successful design must meet, and then imagines how to design a future internet from scratch. It's not that we should expect anyone to do this; but, perhaps, by conceiving a better future, we can push toward it.

Broadband Access Networks

Broadband Access Networks
Author: Leif Aarthun Ims
Publisher: Springer Science & Business Media
Total Pages: 379
Release: 2012-12-06
Genre: Technology & Engineering
ISBN: 146155795X
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The access network is expected to be one of the major battlegrounds of telecommunications network operators, since upgrades of the existing narrowband access network will be the critical factor in supplying multimedia broadband services in a competitive market. The future broadband access network architecture needs to be flexible enough to efficiently support the provision of a full set of broadband and narrowband services with a wide range of capacity demands. A wide range of broadband access technologies are available. Furthermore, the key issues in the upgrading of the very cost sensitive access network are financial as well as technological, both for incumbent and new entrant operators. Thus, in order to identify minimum-risk introductory strategies the economic viability of access network broadband upgrades needs to be carefully assessed. However, despite the definite need for techno-economic evaluations, very few books have been published in this field. One of the reasons might be that broadband access network upgrading only very recently gained wide recognition as a key challenge for broadband delivery. Secondly, this kind of strategic work and these studies tend to be considered rather sensitive by operators, and thus both results and methodologies are not usually readily available. Thirdly, the work reported in this book in many respects was a major pioneering effort, which quite ambitiously aimed at modelling the whole life-cycle costs and revenue streams of access network upgrades, as opposed to several other efforts, which often are limited to pure investment cost comparisons.

Future Internet Services and Service Architectures

Future Internet Services and Service Architectures
Author: Anand R. Prasad
Publisher: CRC Press
Total Pages: 484
Release: 2022-09-01
Genre: Computers
ISBN: 1000793273
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Future Internet Services and Service Architectures presents state-of-the-art results in services and service architectures based on designs for the future Internet and related emerging networks. The discussions include technology issues, key services, business models, and security. The work describes important trends and directions. Future Internet Services and Service Architectures is intended to provide readers with a comprehensive reference for the most current developments in the field. It offers broad coverage of important topics with twenty chapters covering both technology and applications written by international experts. The 20 chapters of Future Internet Services and Service Architectures are organized into the following five sections:-• Future Internet Services -- This section contains four chapters which present recent proposals for a new architecture for the Internet, with service delivery in the Future Internet as the key focus.• Peer-to-Peer Services -- Using the P2P network overlay as a service platform, five chapters explore the P2P architecture and its use for streaming services, communication services, and service discovery.• Virtualization -- Virtualization and its benefits for resource management, supporting hetereogeneity, and isolation are the basis for five chapters which describe virtualization at the endpoint, in the cloud, and in the network.• Event-Distribution -- Publish/Subscribe mechanisms are important for applications which require time-sensitive delivery of notifications. The two chapters in this section present recent developments in publish/subscribe load balancing and in sensor networks.• VANETs - Vehicular Ad Hoc Networks (VANETs) are a network technology which are designed for vehicle-to-vehicle and vehicle-to-infrastructure connectivity for moving vehicles. The four chapters in this section provide an introduction to VANETs, routing, services and system architecture.Future Internet Services and Service Architectures is complemented by a separate volume, Advances in Next Generation Services and Service Architectures, which covers emerging services and service architectures, IPTV, context awareness, and security.

Evolution of Broadband Communication Networks: Architecture and Applications

Evolution of Broadband Communication Networks: Architecture and Applications
Author: Sonia Gul
Publisher:
Total Pages:
Release: 2018
Genre: Technology
ISBN:
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With the rapid increase in users' demand for flexibility and scalability of communication services, broadband communication networks are facing an ongoing challenge of providing various broadband services using a single communication architecture. This leads to the evolution of a challenging field of multiservice broadband network architectures. This chapter discusses the basic concepts associated with broadband communication network architectures with emphasis on provision of multiservice, and it also focuses on the evolution of broadband communication networks from the traditional architecture to the incorporation of virtualization services, that is, cloud computing. Another important aspect, which relates to the multiservice broadband network, is the "applications" which, as this chapter highlights, are a key-driving factor for the evolution of broadband communication networks. Moreover, this chapter also includes a discussion on New Zealand's government initiatives to provide improved network coverage within the country.

The Real Internet Architecture

The Real Internet Architecture
Author: Pamela Zave
Publisher: Princeton University Press
Total Pages: 256
Release: 2024-08-06
Genre: Computers
ISBN: 0691255806
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"This book offers a description of the architecture of the Internet as it actually exists now. It is a revolutionary description, based on a completely new model of network architecture, explaining how the Internet has evolved from its origins and how it is still evolving, and exposing previously unarticulated patterns and trends in network architecture. Essentially all discussion of the Internet is still dominated by the "classic" (five-layer) model put forth by its originators. This model is so outdated that it is a hindrance to understanding Internet evolution, as well as to teaching and doing effective research on networking. This book replaces it with a new model of networking called "compositional network architecture." This model has been formalized, but the book does not use the formal model; rather, the book relies on the model's accuracy and precision as a foundation for a convincing informal explanation, accessible to a much broader audience than a formal model would be (the formal model will be available on a companion website, along with teaching material). Many scholars and practitioners, seeing the Internet only through the lens of the classic Internet architecture, complain that the Internet has not evolved past its original architecture. Compositional network architecture is a general model for describing many architectures, and it shows clearly how the Internet has evolved since the early 1990s, and how it continues to evolve. Though the book is based on a conceptual model and is therefore a relatively abstract treatment, it is illustrated with hundreds of contemporary Internet examples, so there is no lack of concrete detail or grounding in reality. Compared to older works on networking, the book is also more concerned with network services-how a network helps users communicate. This is a natural outgrowth of the Internet as subject matter. Performance and scalability are the usual themes of Internet literature, as they were certainly the most important challenges of the Internet's early years. Since the 1990s, however, progress on performance and scalability has been steady and incremental. The major motivation for Internet evolution since then has been the need for enhanced services, including mobility, multicast, security, privacy, reliability, and support for content distribution, and the book will engage with these themes. It will serve as a reference for anyone dealing with internet architecture, and as a graduate textbook for networking courses"--

The Role of SDN in Broadband Networks

The Role of SDN in Broadband Networks
Author: Hassan Habibi Gharakheili
Publisher: Springer
Total Pages: 127
Release: 2017-01-09
Genre: Technology & Engineering
ISBN: 9811034796
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This thesis focuses on the design and use of software defined networking (SDN) in residential Internet service providers (ISPs), as well as innovative operational models that can be incorporated in broadband ecosystems. Though SDN addresses the challenges for bundled best-effort service provided by broadband operators for users, it does not distinguish between the different types of applications (video streaming, web-browsing, and large file transfers), nor does it cater to the varying needs of different household devices (entertainment tablets, work laptops, or connected appliances). This is a problem for end-users, who want to differentiate between applications and devices; for content providers (CPs), who want to exercise control over streams of high monetary value; and for Internet service providers (ISPs), who have to accommodate growing traffic volumes without additional revenues. This book develops a series of solution techniques that use SDN to find an optimal balance between the competing requirements of end-users, ISPs, and CPs. In addition to the design and discussions of various architectures, it provides technical details on real-world system implementations and prototypes. As such, it offers a valuable resource for researchers, network architects, network strategists, developers, and all other readers seeking to learn more about the practical value of SDN in future ISP networks.