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. To overcome udp flooding attacks in ip multimedia subsystem. Same application portfolio regardless of access roaming capabilities. Intelligent information network cisco ip ngn architecture gaminggaming data center data center presencebased telephony presencebased telephony web. The softswitch is designed to replace the legacy local and transit switches that are based on the circuit switching technologies 1. Telecom italia answer to the erg project team ipinterconnection and ngn consultation document on ip interconnection executive summary. For this reason networks have to be developedto meet the needs of new requirements. Standardization of the ngn dates back to the ngn work. Softswitch architecture remodelling for new generation ip multimedia subsystem environments. Ip networks selects cisco to provide ip ngn infrastructure.
This paper illustrates five function layers of ngn architecture and discusses some endtoend qos quality of service issues for ngn called ngnqos. These factors are posing difficult problems that service providers must address. 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. Camel customised applications for mobile network enhanced logic is a set of in intelligent network type functions and procedures that make operatorspecific in services available to subscribers who roam outside their home network.
This new network is called the next generation network. Pdf nextnew generation networks services and management. 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. Nextgeneration carriers network architectures, economics. Network architecture is optimal today, but will it be optimal in 2 years. 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 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. Ngn provides convergence between the traditional telecommunications and the internet. Next generation network, softswitch, network interfaces, protocols, call scenario, applications. 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. Pdf softswitch architecture remodelling for new generation. Ppt next generation network ngn powerpoint presentation. A next generation network ngn is a telecommunications networkthatuses a voice and multimedia switch based on the ip technologies.
The ngn stands for a fusion of currently, so this is. Next generation networks architecture and layered endtoend. 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. Cirpack has developed its ims portfolio sbc and ims core network since 2006 and has brought. Pdf next generation networks ngn and next generation. The diagram below shows the architecture that has been defined for the ngn in itut rec. Softswitchis so called because it is typically a software.
Below is a diagram that shows the functional architecture of the ngn with interfaces to the various functional elements. Softswitch architecture, next generation networks ngn. Migration from public switch telephone network to next generation network. In the cisco ip nextgeneration network ngn architecture, security features. Ngn architectures, protocols and services communication.
Understanding the role of ims and ngn christie alwis. Moreover, potential gaps in a service providers access, applications, or content portfolio may. 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. Huge volumes of traffic can move what if the local university blocks peertopeer. An economic model ngn aaa architectural differences. 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. Thanks to this layer 2 based architecture, the transport network does not. 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. 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. Infrastructure with networks and networks with each other. Main drivers to next generation networks ngn, allip concept and itu.
Ipn is implementing a cisco internet protocol nextgeneration network ip ngn architecture featuring the cisco mobile transport over packet mtop solution. Next generation network ngn teknik switching history of telecom network jaringan saat ini jaringan saat ini paradigma shift network today and future new. The ims layer, while certainly suitable for wireless networks, is very much a restrictive component within any kind of next generation fixed network. 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. Next generation of multimedia services ngn based iptv. 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. Open networking architecture using bare metal devices bmwbs. Is an atis work plan developed by the next generation network focus. It works closely with content providers and utilizes network intelligence to optimize the traffic path. Ip nextgeneration network security for service providers cisco. Itut workshop on ngn jointly organized with ietf geneva, 12 may2005 ngn definition next generation network ngn. Nextgeneration network ngn is a new concept and becoming more and more important for future telecommunication networks. Read an excerpt chapter 01 pdf index pdf table of contents pdf.
Extending next generation network ngn architecture for. Currently, the corresponding networks undergo a deeprooted. On the design of next generation network architecture for a. 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. Pdf widespread adoption of the next generation concepts in. 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. The ngn architecture as defined by the itu and etsi borrows heavily from the work done by 3gpp. A free powerpoint ppt presentation displayed as a flash slide show on id. Ngn architectures, protocols and services janevski, toni on. 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. Due to the possibility of a huge portfolio of services, the numbers of service providers and. The realization of ngn architecture for asongmpls network. 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.
Ngn requirements, the general reference model, ngn functional requirements and functional architecture, and evolution to ngn from existing telecommunication. Pdf softswitch architecture remodelling for new generation ip. The cisco security portfolio includes systembuilt security solutions that have. Manila, philippines, june 2010 itu ngn elements ogs union network architecture. 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. The next generation network ngn is a proposition of architecture which has a chance to ful. Ngn solutions respect customers, by being ready to offer them convergent next generation network design one network that delivers all services. The move to next generation networks ngn has been discussed in the ict community.
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