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. Dec 09, 2014 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. Next generation network, softswitch, network interfaces, protocols, call scenario, applications. To overcome udp flooding attacks in ip multimedia subsystem. Telecom italia answer to the erg project team ipinterconnection and ngn consultation document on ip interconnection executive summary. Softswitch architecture, next generation networks ngn. Cirpack has developed its ims portfolio sbc and ims core network since 2006 and has brought. Pdf softswitch architecture remodelling for new generation ip. Ngn provides convergence between the traditional telecommunications and the internet. Moreover, potential gaps in a service providers access, applications, or content portfolio may. These factors are posing difficult problems that service providers must address. Same application portfolio regardless of access roaming capabilities.
Existing networks and architecture 5 different network types to handle telecom services tdm for fixed and mobile networks working in circuit mode with end to end reserved paths ss7 and in network working with message switching mode. Next generation network ngn teknik switching history of telecom network jaringan saat ini jaringan saat ini paradigma shift network today and future new. Ppt next generation network ngn powerpoint presentation. In the cisco ip nextgeneration network ngn architecture, security features. This paper illustrates five function layers of ngn architecture and discusses some endtoend qos quality of service issues for ngn called ngnqos. Next generation networks architecture and layered endtoend. Huge volumes of traffic can move what if the local university blocks peertopeer. Pdf softswitch architecture remodelling for new generation. Understanding the role of ims and ngn christie alwis. Nexthopes ip ngn services portfolio is to help service providers to overcome the challenges by enabling the essential network and service transformation and deliver business outcomes that can monetize that traffic growth, optimize their cost, and add further value to their business through innovation and. Regional seminar on costs and tariffs for tal group member.
The telecommunication community, industry and also standardization bodies like etsi tispan or itut are actually working on the evolution of next generation network ngn architecture to enable. It works closely with content providers and utilizes network intelligence to optimize the traffic path. Ngn requirements, the general reference model, ngn functional requirements and functional architecture, and evolution to ngn from existing telecommunication. This new network is called the next generation network. Company values complex and challenging projects require both on the providers and on the customers side teams of outstanding specialists with many years of professional experience. Pdf widespread adoption of the next generation concepts in. On the design of next generation network architecture for a. Itut workshop on ngn jointly organized with ietf geneva, 12 may2005 ngn definition next generation network ngn. Network architecture is optimal today, but will it be optimal in 2 years. Read an excerpt chapter 01 pdf index pdf table of contents pdf. Comprehensive coverage explaining the correlation and synergy between next generation networks and the existing standardized technologies this book focuses on next generation networks ngn. 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. The realization of ngn architecture for asongmpls network. Pdf nextnew generation networks services and management.
Ericsson ngn overview ericssons strategy next generation network architecture engine the soft switch solution for telephony and multimedia ngn solution toip signalling protocols, compression, interoperability and standards key issues for network design capacity, redundancy, design and dimensioning. Currently, the corresponding networks undergo a deeprooted. A nextgeneration network architecture is a network architecture that is lower latency, automated, simpler to manage, easier to configure, self aware, with high throughput. Predefined library functions will be used via an application programming interface api to activate a gateway and so ultimately to carry out actions in the network. The next generation network ngn is a proposition of architecture which has a chance to ful. An economic model ngn aaa architectural differences. The move to next generation networks ngn has been discussed in the ict community. A free powerpoint ppt presentation displayed as a flash slide show on id. In this paper we will describe in details the role of softswitch in ngn network, especially the role of softswitch in a simple call scenario in a concrete ngn network architecture which is implemented in telecom of kosova tk. Next generation of multimedia services ngn based iptv.
The ims layer, while certainly suitable for wireless networks, is very much a restrictive component within any kind of next generation fixed network. A nextgeneration network ngn is a generic term that describes the evolution and migration of fixed and mobile network infrastructures from distinct, proprietary networks to converged networks based on ip. Manila, philippines, june 2010 itu ngn elements ogs union network architecture. Jun 15, 2011 next generation network ngn is the architecture of the international telecommunication uniontelecommunication standardization sector itut in short supporting the provisioning of quality of service qosguaranteed services over different packet transport technologies. Softswitchis so called because it is typically a software. Ngn architectures, protocols and services communication. The ngn stands for a fusion of currently, so this is. A next generation network ngn is a telecommunications networkthatuses a voice and multimedia switch based on the ip technologies. Intelligent information network cisco ip ngn architecture gaminggaming data center data center presencebased telephony presencebased telephony web. Ngn architectures, protocols and services janevski, toni on. Ip networks selects cisco to provide ip ngn infrastructure. Ngn solutions respect customers, by being ready to offer them convergent next generation network design one network that delivers all services. Tispan r1 subsystems and architecture based on well defined subsystems, functional blocks and defined interfaces tispan r1 primarily associated with access cac and voice sip applications applications subsystems racs resource admission control subsystem user equipment access network tispan ngn core nass network attachment subsystem.
Common service portfolio regardless access tispan delivers an ngn architecture tispan has taken a pragmatic and sensible approach to ngn environments but tispan r1 services are limited ngns architectures are still evolving the future relevance of tispan in ngn depends on ti span r2 and beyond. Is an atis work plan developed by the next generation network focus. Architecture models for the ngn endtoend qos service platforms network management security generalized mobility network control architecture and protocols service capabilities and service architecture interoperability of services and network in ngn numbering, naming and addressing disaster and relief communication capabilities. Below is a diagram that shows the functional architecture of the ngn with interfaces to the various functional elements. Thanks to this layer 2 based architecture, the transport network does not. Pdf next generation networks ngn and next generation. Nextgeneration carriers network architectures, economics. The diagram below shows the architecture that has been defined for the ngn in itut rec. Ipn is implementing a cisco internet protocol nextgeneration network ip ngn architecture featuring the cisco mobile transport over packet mtop solution. Ip nextgeneration network security for service providers cisco. Proposed solution in medium and low penetration areas, the deployment of multiservice access nodes next generation network ngn ready technology that provides basic voice telephone and other services like the alcatel 1540 litespan, can be a good initial step in this programmed evolution. Softswitch architecture remodelling for new generation ip multimedia subsystem environments. Due to the possibility of a huge portfolio of services, the numbers of service providers and. 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.
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