Название: Cloud and Edge Networking
Автор: Kamel Haddadou, Guy Pujolle
Издательство: Wiley-ISTE
Год: 2023
Страниц: 303
Язык: английский
Формат: pdf (true)
Размер: 56.4 MB

A major transformation in the world of networks is underway, as the focus shifts from physical technology to software-based solutions.

In this book, the authors present this new generation of networks that are based in the Cloud by detailing the transition from a complex environment to a simple digital infrastructure. This infrastructure brings together connected devices, the antennas that collect radio waves, the optical fibers that carry signals and the data center that handles all of the different processes.

From this perspective, the data center becomes the brain, managing network services, controls, automation, intelligence, security and other applications. This architecture is relevant to carrier networks, the Internet of Things, enterprise networks and the global networks of the major Internet companies.

Cloud Networking is revolutionizing the field of networks by proposing a complete paradigm shift. The Cloud imposes a completely different vision of the Internet with centralized controls and a virtualization of all the functions necessary to the life of a network, the latter consisting of the replacement of hardware equipment by software equipment which runs in the Cloud. As a result, physical networks are replaced by logical networks that run in data centers that are more or less remote from the network nodes themselves.

This book then introduces the digital infrastructure of the 2020s, which is composed of three elements: an antenna that collects the signals from users, an optical fiber that carries the signal and the data center that receives this signal, processes it and performs all the functions requested by the user. All material devices and intermediary equipment are recreated as virtual machines. Thus, it is possible to add many functions such as control, management, security, intelligence, automation and so on.

Another feature is the use of open source software, which seems to be self-evident since the whole point of this new generation of Cloud Networking is to be able to reduce costs despite the increase in user throughput that doubles every year. The agility and flexibility of this approach makes it an incomparable solution that is widely introduced in this book.

This new generation of software-defined networking technology translates into a number of products, described in detail, including SD-WAN, which constitutes the main requirement of large enterprises along with vCPE (virtual Customer Premises Equipment) and data center access fabrics. The impact of Cloud Networking is equally important in carrier networks and network providers. It is the foundation of 5G and even forms the revolutionary aspect of this generation. Indeed, what is typically called 5G relates to the radio part of this technology, but that is not the most important part. The revolutionary part is the MEC (Multi-access Edge Computing) data centers that sit on the edge of the Edge with response times that support a whole new set of real-time services such as vehicular network automation, Industry 4.0, touch networks and so on.

Cloud and Edge Networking further discusses developments at the border of networks, the Edge, where data is processed as near as possible to the source. Over the next ten years, the Edge will become a major strategic factor.

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