Ngn will bring tremendous advantages to companies and individuals, in terms of access to information, education and knowledge, efficiency, dematerialisation and new user experiences. Standardization trends toward the next generation network. The next generation network ngn is a body of key architectural changes in telecommunication core and access networks. Network core technologies for a next generation network ntt. Here we distinguish between the next generation core network ngcn and next generation access network ngan. A critical implication is that operation management systems, which used to be networkcentric, now have to be migrated into applicationcentric systems in support of next generation services. The general idea behind the ngn is that one network transports all information and services voice, data, and all sorts of media such as video by encapsulating these into ip packets, similar to those used on the internet. L2l7 testing of various network elements and their performances. The 5g and ngn main requirements and features are then covered. Next generation networks are used to transmit all kinds of services and information including voice datacalls, audio datacalls and multimedia information such as videos. The ngcn is about the new switching, gateways and transmission equipments in the core network, enabling several access networks to use the same core network. Network functions virtualization nfv for next generation networks ngn summary network functions virtualization nfv has drawn industry attention.
In spite of the commercial success of ngn networks around the world, aging tdm service architectures are. The nextgeneration network ngn is a body of key architectural changes in telecommunication core and access networks. Next generation network ngn project teams are continuing to make progress across all five university of minnesota campuses and many project segments including wired network, data center, firewalls, core, and more. Ip ngn journey requires multiple layers of convergence mobile pstn broadband services optical highspeed internet fr atm ip next generation network common subscriber management mobile, wlan dsl, cable, ftth content application convergence integration of new innovative ip dvv services over broadband for increased revenue service continuity. Functional testing of l4 to l7 protocols including voip protocols. This new network is called the next generation network. The migration of the network with circuit switching towards the ngn requires a thorough knowledge of the interface between them.
Newnext generation networks aim to provide mutual trusted ip based networks for a multi access network and innovative services tailored to users needs. Ngn is developed around the concept of packet switching as in internet protocol architecture. Pdf ngn based on ims ip multimedia subsystem will bring many benefits to network operators. At itut, international standardization of the ngn next generation network is underway by involving various standards organiza tions. Next generation network ngn challenges on access networks. It supports generalised mobility which will allow consistent and ubiquitous provisioning of services to users. These direct connections mean our ngn is effectively closer to high bandwidth content ensuring greater reliability and speed for your staff. Pdf nextnew generation networks services and management. The global next generation network equipment market is anticipated to grow at a significant rate over the forecast period. The central theme of this chapter is to examine the developments in what is commonly refereed to as next generation access networks and next generation core networks and their role in convergence.
Definition of next generation network a next generation network ngn is a packetbased network able to provide services including telecommunication services and able to make use of multiple broadband, qosenabled transport technologies and in which servicerelated functions are independent from underlying transportrelated technologies. Conceptually, the ngn defines a new network architecture in which network convergence can be achieved through a stepwise upgrade from existing networks seamlessly from the edge to the core as retaining compatibility. Next generation network ngn project teams are continuing to make progress across all five university of minnesota campuses and many project segments. Next generation networks ngnfuture of telecommunication. School of technology and management, polytechnic institute of. Interoperability standards between next generation networks. A next generation network ngn is the term given to describe a telecommunications packetbased network that handles multiple types of traffic such as voice, data, and multimedia. Increasing preference to rising profit margin and customer satisfaction in telecom service providers are expected to drive industry growth over the forecast period. Conformance testing of various l2 to l3 protocols as per ietfrfcas a. Key features of next generation networks techrepublic. Feb 05, 20 a nextgeneration network ngn is a packetbased network which can provide services including telecommunication services and able to make use of multiple broadband, quality of serviceenabled transport technologies and in which servicerelated functions are independent from underlying transportrelated technologies. Next generation network ngn teknik switching history of telecom network jaringan saat ini jaringan saat ini paradigma shift network today and future new. Driver of telecom developmentresourceservice technique 4. A critical implication is that operation management systems, which used to be network centric, now have to be migrated into applicationcentric systems in support of next generation services.
Next generation network, and transoceanic subsea cable updates. Ucsds next generation network ngn provides enhanced data and voice network services. Pdf ims in the next generation network researchgate. Today, the pstn, mobile networks, cable tv networks and wireless networks use several dedicated metro and core networks. In this report, the concept of ngn denotes the second definition. The generations of wireless and mobile systems are introduced first together with the related standardization bodies. The move to next generation networks ngn has been discussed in the ict. The internet protocol is the most significant integration factor because it is available globally and, at least in principle, it can use almost all the services and applications in all the networks.
Understand the business case for deploying mplsbased services and solutions provides network managers and architects a precise mpls primer defines mpls service problems and their associated solutions includes roi models for mplsbased solutions discusses pros and cons of various options for each mpls service network managers often question the value that mpls brings to their business environment. Ngn architectures, protocols and services wiley online books. Download ngn architectures protocols and services pdf summary. The overall aim is to reduce costs and to create new sources of income, as shown in figure 1. Todays networks and next generation networks source. Network functions virtualization nfv for next generation. Ngn and the key differences from legacy networks traditional legacy networks services mobile network telephony network data network cable television network next generation networks mobile network coaxial fibre. These differences will impact current cost modelling methodologies. Sometimes a ngn is referred to as an allip network. Ppt next generation network ngn powerpoint presentation. Opportunities and challenges of nextgeneration networks in.
A free powerpoint ppt presentation displayed as a flash slide show on id. Advantages of ngn ngn makes use of the best of both the worlds. Feb 11, 2008 next generation networks ngn provide ubiquitous connectivity with pervasive accessibility to service, application, content and information. Key features of next generation networks by scott reeves in data center, in data centers on june 9, 20, 10. Main drivers to next generation networks ngn, allip concept and itu ngn standards. Introduction to next generation networks ngn broadband wireline and wireless alternatives wireless access technologies overview of tcpip and packet core advanced ip networking overview of voice and video transport over ip ngn requirements, architecture and protocols nextgeneration network and service. Pdf next generation network irina andriamifidy academia.
This next generation network ngn approach enables service providers to rapidly introduce multiple, highvalue services to their networks to increase revenues by attracting new subscribers and keeping them. Next generation networks pdf download free 0470516496. Next generation network equipment market size industry. The next generation network ngn aims to bring a new generation of engineers into the world of cigre and help deliver a platform where earlycareer professionals can feel comfortable sharing their ideas, get an opportunity to interact with industry experts and get involved in cigre working groups and technical events. Your contribution will go a long way in helping us serve. Itut workshop on ngn jointly organized with ietf geneva, 12 may2005 ngn definition next generation network ngn. Ntt is committed to building a next generation network ngn that combines the highquality, reliability, and security features of ntts legacy fixed telephone.
Documents the citys progress in creating the ngn assesses the citys need and market for future ngn capabilities. Jun 21, 20 ngn overview, next generation network 1. The itut has started its work on ngn in 2003 by creating the socalled joint rapporteur group on next generation network jrg ngn, which targeted to study several main subjects such as. Ngn is a concept, not just a technology its goal is to provide a single technology platform. Next generation networks ngn is a part of presentday telecommunication system, which is equipped with capabilities to transport all sorts of media, such as voice, video, streaming audiovideo, text, etc. Network virtualization aims to transform mobile network infrastructure, from dedicated hardware and network equipment into a cloud based system built by general purpose equipment.
Ngn facilitates convergence of network and services. It is the convergence of service provider networks that includes the public switched telephone network pstn, the data network the internet, and, in some. Free ngn architectures protocols and services pdf download comprehensive coverage explaining the correlation and synergy between next generation networks and the existing standardized technologies this book focuses on next generation networks ngn in particular on ngn. Nov 01, 2012 next generation network ngn is a broad term used to describe architectural evolution and innovation in telecommunication and access networking. Ngn upgrades range from the core ip network level in which operators and manufacturers are pushing for allip backbone transport and lowcost distribution. In particular, convergence and the development of the ngn may. Ngn requirements, the general reference model, ngn functional requirements and functional architecture, and evolution to ngn from existing telecommunication. Mar 07, 2014 comprehensive coverage explaining the correlation and synergy between next generation networks and the existing standardized technologies.
Figure 1 illustrates the difference between todays telecom networks and tomorrows ngn platforms. Pdf convergence and next generation networks researchgate. The migration towards next generation networks ngn changes. Interoperability standards between next generation networks ngn for signaturebased handling of asserted information using tokens shaken alliance for telecommunications industry solutions approved december 5, 2016 abstract this document is intended to provide next generation network ngn telephone service providers sps with a framework. Next generation network ngn initiative i1 the improving infrastructure and operations pillar included a recommendation to explore ways to create a next generation network. In this study, one limited oneself to evaluate the number of the principal equipment of this interface. Initially, the term next generation network was used to refer to the transformation of the core network to ip. You can also see maps of sio pdf and east campus pdf.
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