Next Generation Network Services


Book Description

Never before have communications technologies moved so quickly or changed so dynamically. The use of standard computing hardware and the influence of the Internet have lead to so-called next-generation networks. This book explores the evolution to the new world of 'Next-Generation Networks' and services: The telecommunications industry is facing one of its toughest challenges yet - the transition from circuit-switched to packet-switched voice networks. Companies need to seize the opportunity of the convergence of voice networks and the Internet to deliver exciting and useful services. "Next Generation Network Services" explains technologies that have, and will influence this change, and brings together technologies such as softswitching, IP telephony, network directories and application frameworks. Features: Fixed and wireless telephony. Internet technologies. Standards. Understanding business goals in implementing a next-generation telecommunications network. A forward look at future services via telecommunications networks and their implications.; Network-based services and hosted solutions for customers from computer telephony integration (CTI) through to the rise of the Application Service Provider. This book will interest telecommunications professionals as well as engineers who are working on current circuit-switched and future networks.




Next-generation Network Services


Book Description

A new era of network services has evolved to meet the needs of IP-centric networking requirements and customer opportunity. The emphasis is on service as IP has become a prolific communications portal through which to deliver interactive solutions that improve business execution, tie the individual consumer into commerce, and extend market reach by removing the last barriers of time and distance.




Designing Networks and Services for the Cloud


Book Description

Designing Networks and Services for the Cloud Delivering business-grade cloud applications and services A rapid, easy-to-understand approach to delivering a secure, resilient, easy-to-manage, SLA-driven cloud experience Designing Networks and Services for the Cloud helps you understand the design and architecture of networks and network services that enable the delivery of business-grade cloud services. Drawing on more than 40 years of experience in network and cloud design, validation, and deployment, the authors demonstrate how networks spanning from the Enterprise branch/HQ and the service provider Next-Generation Networks (NGN) to the data center fabric play a key role in addressing the primary inhibitors to cloud adoption–security, performance, and management complexity. The authors first review how virtualized infrastructure lays the foundation for the delivery of cloud services before delving into a primer on clouds, including the management of cloud services. Next, they explore key factors that inhibit enterprises from moving their core workloads to the cloud, and how advanced networks and network services can help businesses migrate to the cloud with confidence. You’ll find an in-depth look at data center networks, including virtualization-aware networks, virtual network services, and service overlays. The elements of security in this virtual, fluid environment are discussed, along with techniques for optimizing and accelerating the service delivery. The book dives deeply into cloud-aware service provider NGNs and their role in flexibly connecting distributed cloud resources, ensuring the security of provider and tenant resources, and enabling the optimal placement of cloud services. The role of Enterprise networks as a critical control point for securely and cost-effectively connecting to high-performance cloud services is explored in detail before various parts of the network finally come together in the definition and delivery of end-to-end cloud SLAs. At the end of the journey, you preview the exciting future of clouds and network services, along with the major upcoming trends. If you are a technical professional or manager who must design, implement, or operate cloud or NGN solutions in enterprise or service-provider environments, this guide will be an indispensable resource. * Understand how virtualized data-center infrastructure lays the groundwork for cloud-based services * Move from distributed virtualization to “IT-as-a-service” via automated self-service portals * Classify cloud services and deployment models, and understand the actors in the cloud ecosystem * Review the elements, requirements, challenges, and opportunities associated with network services in the cloud * Optimize data centers via network segmentation, virtualization-aware networks, virtual network services, and service overlays * Systematically secure cloud services * Optimize service and application performance * Plan and implement NGN infrastructure to support and accelerate cloud services * Successfully connect enterprises to the cloud * Define and deliver on end-to-end cloud SLAs * Preview the future of cloud and network services




Network Programming with Go


Book Description

Network Programming with Go teaches you how to write clean, secure network software with the programming language designed to make it seem easy. Build simple, reliable, network software Combining the best parts of many other programming languages, Go is fast, scalable, and designed for high-performance networking and multiprocessing. In other words, it’s perfect for network programming. Network Programming with Go will help you leverage Go to write secure, readable, production-ready network code. In the early chapters, you’ll learn the basics of networking and traffic routing. Then you’ll put that knowledge to use as the book guides you through writing programs that communicate using TCP, UDP, and Unix sockets to ensure reliable data transmission. As you progress, you’ll explore higher-level network protocols like HTTP and HTTP/2 and build applications that securely interact with servers, clients, and APIs over a network using TLS. You'll also learn: Internet Protocol basics, such as the structure of IPv4 and IPv6, multicasting, DNS, and network address translation Methods of ensuring reliability in socket-level communications Ways to use handlers, middleware, and multiplexers to build capable HTTP applications with minimal code Tools for incorporating authentication and encryption into your applications using TLS Methods to serialize data for storage or transmission in Go-friendly formats like JSON, Gob, XML, and protocol buffers Ways of instrumenting your code to provide metrics about requests, errors, and more Approaches for setting up your application to run in the cloud (and reasons why you might want to) Network Programming with Go is all you’ll need to take advantage of Go’s built-in concurrency, rapid compiling, and rich standard library. Covers Go 1.15 (Backward compatible with Go 1.12 and higher)




Performance Evaluation for Network Services, Systems and Protocols


Book Description

This book provides a comprehensive view of the methods and approaches for performance evaluation of computer networks. It offers a clear and logical introduction to the topic, covering both fundamental concepts and practical aspects. It enables the reader to answer a series of questions regarding performance evaluation in modern computer networking scenarios, such as ‘What, where, and when to measure?’, ‘Which time scale is more appropriate for a particular measurement and analysis?’, 'Experimentation, simulation or emulation? Why?’, and ‘How do I best design a sound performance evaluation plan?’. The book includes concrete examples and applications in the important aspects of experimentation, simulation and emulation, and analytical modeling, with strong support from the scientific literature. It enables the identification of common shortcomings and highlights where students, researchers, and engineers should focus to conduct sound performance evaluation. This book is a useful guide to advanced undergraduates and graduate students, network engineers, and researchers who plan and design proper performance evaluation of computer networks and services. Previous knowledge of computer networks concepts, mechanisms, and protocols is assumed. Although the book provides a quick review on applied statistics in computer networking, familiarity with basic statistics is an asset. It is suitable for advanced courses on computer networking as well as for more specific courses as a secondary textbook.




Service Provider Networks


Book Description

This book will give you a High Level of overview of the Service Provider Network Design and Architecture. It talks about the unique aspects of Service Provider networks, different types of Service Providers and the business relationships between them. It covers the Service Providers services, different last mile access offerings and transport networks, and their subscribers and services.Technical explanation about different types of Fixed and Mobile network services and the Service Provider physical locations are also explained. You will see the Big Picture of Service Provider Networks.After understanding the Service Provider Concepts and Technologies, a fictitious National Service Provider network, named ATELCO will be introduced, to give you a more view of the technologies, protocols, services and end to end traffic flow in great detail. And at last the Evolving Technologies used in Service Providers and Massively Scale Datacenters will be seen.




Network Services Investment Guide


Book Description

Dies ist der erste Investmentleitfaden für Netzwerkdienste! Ein Bewertungsleitfaden für Serviceauswahl, -Management und maximalen ROI. Netzwerkbasierte Dienste beinhalten u.a. Internetzugang, Anwendungsmanagement und Hosting, Sprach- und Datendienste sowie Videodienste. Keiner dieser Dienste ist jedoch kostenlos, und das Risiko, zuviel für ein Servicepaket zu zahlen, von dem nur ein Service in Anspruch genommen wird, ist entsprechend groß. Der "Network Service Investment Guide" ist der erste Technik- bzw. Unternehmensleitfaden, der wertvolle Hinweise gibt, wie man mit Kosten und Verlusten bei der Implementierung einer starken, service-basierten Netzwerkarchitektur umgeht, wenn der ROI aufgrund unvorhersehbarer allgemeiner Marktbedingungen drastisch fallen kann. Dieser Leitfaden sagt Ihnen, wie Sie den ROI in unbeständigen Zeiten maximieren können.




Learn CentOS Linux Network Services


Book Description

Learn to set up the latest CentOS Linux network services including DNS, DHCP, SSH and VNC, Web, FTP, Mail, Firewall, and LDAP, enabling you to provide these services on your own network. CentOS continues to be a popular Linux distribution choice, and setting up your own services is a key skill for anyone maintaining a CentOS network. You will learn how to install CentOS, and manage basic administration. You’ll then move onto understanding networking, and how to set up your required services. Each chapter is written in an easy-to-digest format and teaches you how set up, manage, and troubleshoot each service. You’ll be running your own network in no time at all. What You Will Learn Install and set up the latest version of CentOS Configure and manage a wide range of network services Solve problems remotely and manage your network efficiently Who This Book Is For Anyone who wants to learn how to set up and manage CentOS Linux network services. Some previous Linux experience is beneficial, but this book is designed to be used by beginners.







3G Multimedia Network Services, Accounting, and User Profiles


Book Description

Here's a cutting-edge book that offers you a comprehensive understanding of 3G multimedia network services and related architectures. This practical resource guides you in developing the services, charges and customer use data that will allow maximum profitability for your company. Covering both mobile and fixed networks, the book thoroughly explains 3G network standards, implementation architectures, charging principles, user profiles, and QoS and security considerations.