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Analyzing the Integration of Innovative Telecommunication Technologies

Analyzing leading telecommunication technologies to detect gaps and integration points for improved convergence and core cost efficiency. Technologies covered include PSTN, VoIP, IMS, and more. Next phase focuses on detailed studies and field integration challenges.

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Analyzing the Integration of Innovative Telecommunication Technologies

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  1. Analyzing the Integration of Innovative Telecommunication Technologies Project Number P-2007-055 Yossi Twizer Supervisor: Prof. Benjamin Arazi 6/6/2007

  2. Agenda • Motivations • Project Scope & Goals • Analyzed Technologies • Technologies Highlights • Preliminary Conclusions • Next Analysis Phase • Time for Questions

  3. Motivations • Interconnecting New & Legacy Telecommunication Technologies • IP based Services Convergence • Providing New services and functionalities • Core COGS Saving • Unified Access Network • Follow the $ • Big money opportunities • Market leadership

  4. Project Scope • Analyzing 4 Leading Telecommunication Technologies: • Focusing on Protocol Level • Top-to-Bottom Approach • Special Attention on Signalling & Traffic delivery flows • Current Interoperability Analysis • Gaps Detection • Analyzing the IP Convergence Impact Analysis: • Networks Architecture changes • New Signalling protocols and information flows • Integration Point Analysis

  5. Project Goals • Acquiring High Level of Understanding • Per technology • Per protocol • Mapping current gaps in existing architectures • Signalling convergence issues • Install bases and migration paths • Detecting & offering the optimal integration point

  6. Analyzed Technologies • Focusing on the following Leading Technologies: • PSTN – Public Switching Telephony Network • Cellular Networks – 2.5G & 3G GSM Networks • VoIP Telephony Services • IP Multimedia Subsystem (IMS) • 3G Core Implementation • NGN Cores Implementation • Cores for New Access technologies (WiMAX)

  7. PSTN Technology Highlights • Plain Old Telephony System (POTS) • Worldwide install base • Highly adopted & Fully integrated • Offering basic Services • Circuit Switch Based • Low efficiency Vs. High Quality • Dedicated signalling system • “Stupid” End-User Equipment Vs. Smart Core • Low level of flexibility • High cost for convergence • Emulation \ Simulation concept

  8. 2.5G & 3G GSM Networks Highlights • Public Land Mobile Network (PLMN) • Amazing install base (over 2B of users) • Offering both IP & CS services • Integrated Interoperability through PSTN • CS migration to Fully PS configuration • R7 is expected to be IPv6 with VoIP implementation • Dedicated Signalling protocols • “Smart” handsets • High level of flexibility • Handsets readiness for fully IP env. • High cost for new Core technologies

  9. VoIP Telephony systems Highlights • Voice over Internet Protocol (VoIP) • Greatest impact on telecom world • Major COGS saver at core level • Expensive at last mile level • Fully PS concept • High efficiency • QoS and regulation issues (911, 5-Nines) • Requires expensive UE • Multiple signalling protocols • Integration issue (!!) • Penetrating as part of 3Play

  10. IMS Architecture Highlights • IP Multimedia Subsystem • Totally new core technology concept • Signalling – SIP based • Traffic – over IP fully flexible • Last mile – undefined ! • Originated for 3G GSM, adopted by: • CDMA2000 (3GPP2) • NGN TISPAN • WiMAX Forum • Implements a unified core • Regardless of Last mile • Regardless of service • Offering new roaming services

  11. Preliminary Conclusions • Best integration point is at the CORE level • Saving CORE COGS • Offering new services (e.g. Fixed-Mobile Roaming) • Converging infrastructures • SIP signalling is considered Highly efficient • Supports service initiation, billing, Telephony services • Is not aware of service type – full flexibility • Easy to adopt • IP migration is expected to be highly expensive • Last mile issue • Handsets issue

  12. Preliminary Conclusions- Cont. IMS integrates it all and therefore is expected to be a leading technology bridging between future IP bases services !! • NGN Networks - Fixed • Future Cellular – Mobile • WiMAX Solutions - Wireless

  13. Next Analysis Phase • In depth analysis of IMS technology: • Detailed NGN integration concept • Detailed SIP signalling flows • Advanced capabilities analysis (e.g. Roaming) • Study cases analysis • Learning from first implementations • Detecting on-field integration problems

  14. Thank You! Time for Questions….

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