Mobile Converged Networks

Transcription

1 Mobile Converged Networks Shaping the Future: Mobile Network Evolution to NGN - Regional Workshop for the Arab Region on Guidelines on the Smooth Transition of Existing Mobile Networks to IMT-2000 for Developing Countries Damascus, Syria June 2005 John Visser, P.Eng. Sr. Mgr., International Network Standards Phone: Fax: Mobile: jvisser@nortel.com Shaping the Future: Mobile Network Evolution to NGN - John Visser, P.Eng. Sr. Mgr., International Network Standards Damascus, June Nortel 1

2 > Animated charts provided as series of individual charts since pdf files do not handle PowerPoint animations well > Acronyms Telecom presentations are acronym intensive! 3 3GPP R5 network architecture (1/2) Signalling & Control Bearer Roaming Session Control OSA Gateway Policy, Billing Media resources Signalling Gateway 3GPP R5 IM Subsystem provides a SIP and H248 framework for the applications and control environment of converged wireless networks Applications creation environment permits extending applications to users independently of their means and point of access 4 Service Edge Packet core Service Edge TDM Media gateway 2004 Nortel 2

3 3GPP R5 network architecture (2/2) 3GPP R5 3GPP R5 5 Convergence - Non-animated - Step 1 GSM CDMA WLANDSL/Cable Nortel 3

4 Convergence - Non-animated - Step 2 Application Servers Services GSM CDMA WLANDSL/Cable 7 Convergence - Non-animated - Step 3 Application Servers Infrastructure Services Packet Based Intelligent Infrastructure CSCF/SCM GSM CDMA WLAN DSL/Cable Access Independence Nortel 4

5 Selected Acronyms 3G Third Generation 3GPP(2) Third Generation Partnership Project (2) BICN Bearer Independent Core Network CDMA Code Division multiple Access CSCF Call State Control Function DECT?? Digital Electronic Cordless Telephony FA Foreign Agent Gateway GPRS Support Node GII Global Information Infrastructure GPRS General Packet Radio Service GSM Global System for Mobility Home Agent HLR Home Location Register Home Subscriber Server IMS IP Multimedia Subsystem IP Protocol ISDN Integrated Services Digital Network ISV Independent Software Vendor LAN Local Area Network 9 NGN PC PDA POTS QoS SCM SIP SLA WLAN WWAN Media Gateway Control Function Media Gateway Next Generation Network Personal Computer Personal Digital Assistant Packet Data Function Packet Data Gateway Packet Data Serving Node Plain Old Telephone Service Public Switched Telephone Network Quality of Service Session Control Manager Serving GPRS Support Node Session Initiation Protocol Service Level Agreement Universal Mobile Terrestrial Access Wireless Local Area Network Wireless Wide Area Network Nortel Wrote the Book on Real-Time Networking (literally!) > For mission-critical applications, best-effort of data world is not acceptable > Not all networks can support real-time applications > Expert network planning and design is required > The Book 800+ pages; technology/standards focused > Available on-line: @@@@&BV_EngineID =gadddhfhejghbhkcginchgcgjg.0&cscat=docde TAIL&DocumentOID=292677&searched="real% 20time%20networking 10 No one knows real-time networking better than Nortel 2004 Nortel 5