1 / 12

Next Generation Networks Convergence, evolution and roadmaps

Next Generation Networks Convergence, evolution and roadmaps Dr. Sathya Rao, Telscom Consulting , Berne Rao@telscom.ch. NGN Applications Requirement. IP Everywhere. The Internet Protocol is becoming pervasive but it was designed over 20 years ago More and more devices are using IP

kirsten
Download Presentation

Next Generation Networks Convergence, evolution and roadmaps

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Next Generation Networks Convergence, evolution and roadmaps Dr. Sathya Rao,Telscom Consulting, Berne Rao@telscom.ch

  2. NGN Applications Requirement

  3. IP Everywhere • The Internet Protocol is becoming pervasive • but it was designed over 20 years ago • More and more devices are using IP • and they require reachability • places a demand on IP address space • 1 billion IP devices by 2003 • requires IP routing to be scalable • IP is a convergence protocol for the evolution of next generation networks

  4. Internet - the way forward • Internet today • Millions of users • Web, email, low-quality audio & video • Applications adapt to underlying technology • Next Generation Network of tomorrow • Billions of users and devices • Convergence of applications and services • New technologies lead to novel applications • Building a real information society with ‘Always-on Network’ • Global village a reality

  5. Internet Growth • Current estimates • 300M users online worldwide, US/Europe-centric • 70M hosts connected with global IP addresses • Most of these are with fixed network • Growth of Mobile internet • WAP, GPRS, EDGE, UMTS,.. With data services • Limitations of IPv4 • with 32-bit addressing allows 4B hosts • but allocation has been done inefficiently • some institutions own a Class A address space • CIDR and NAT have only patched the problems

  6. IP Networked Society • Different types of network infrastructures are linked through common protocol • All communication will be based on packets running on circuit, packet and wireless networks • There will be convergence at service level to reach any one from anywhere at any time

  7. Fixed vs. mobile access

  8. Usage Sessions / Month / GSM sub (leading markets) Fixed WWW Mobile WWW (WAP) 1999 2000 2001 2002 WAP GPRS IPv6 Mobile Internet will be always-on

  9. NGN Requirements-IPv6 • Requirements • Scalability of networks with address space,QoS and security, which are basic features of IPv6 networks • Connectivity with existing IPv4 networks is necessary • IPv6 should happen from the edges, not from the core. • Applications are important for pushing IPv6 • it has to be transparent to the end user • Interoperability with IPv4 has a cost • 100% interoperability is not always necessary • We need a credible transition story.

  10. 3GPP standards status • Issues addressed in 3GPP Rel 5 type network i.e. fast radio via UTRAN, separation of PS and IM domains and addresses: • IP address allocation • Header compression with security • Interworking with IPv4 network • SIP VoIP (and possible multimedia) • QoS • DNS • Interworking of PS and IM domains • Roaming • Time to setup GTP tunnels • Etc

  11. Moving towards IPv6... Moving towards IPv6 is both a near-term and a long -term concern of network dependent businesses • equipment manufacturers • network owners • service providers and public authorities, such as the EC. For Europe, it is at the same time a challenge and an opportunity

  12. Related projects • 6INIT: IPv6 network intiative • 6WINIT: Wireless IPv6 initiative • MobyDick: Fixed mobile network trials • WINE: Wireless internet • NGN Initiative • GEANT: Pan European academic network • OPTIMIST

More Related