VOICE OVER PACKET Plymouth University Feb 2003
Zarlink’s Product Groups Network Access Optical Interconnects  & Components Timing & Synchronization TDM Switching Voice O...
Zarlink’s Customers Network Access SIEMENS User Access Medical
Typical Applications (Voice & Data) Packet Network ATM / IP Metro Core Access Network or  Wide Area Network University Cam...
Zarlink’s Solutions (1) Network Access Packet Network ATM / IP Metro Core Access Network or  Wide Area Network University ...
Zarlink’s Solutions (2) <ul><li>TDM </li></ul><ul><li>High Bandwidth TDM Switches  </li></ul><ul><li>SONET/SDH Network Syn...
The Big Trend -  Voice Centric to Data Centric <ul><li>Data services are the dominant traffic type </li></ul><ul><ul><li>I...
Moving Networks to a Packet Infrastructure CPE Access Edge Core RAS Switch Router DSLAM Aggregation Equipment Backbone Equ...
Converged Network Architecture  RAS Switch Router DSLAM Aggregation Equipment Backbone Equipment Speed Intelligence Conver...
Edge is the Aggregation Point <ul><li>Terminates many traffic types </li></ul><ul><li>Feeds into ATM and IP core networks ...
However- Voice is Still the Problem <ul><li>There is a lot of TDM equipment and lines </li></ul><ul><ul><li>With the downt...
Many Ways to Skin a Cat! <ul><li>VoIP </li></ul><ul><ul><li>If voice and data are converged at the CPE then VoIP makes the...
Technical Drivers for VoIP <ul><li>Technical Driver 1: Standards and interoperability now largely resolved </li></ul><ul><...
Business Drivers for VoIP <ul><li>Business Driver 1: VoIP delivers mission critical services </li></ul><ul><ul><li>Althoug...
VoIP Standards Stratum 4e PLL DSP G.711, G.726, G.729, G.168 DTMF, VAD, CNG Fax/modem Termination VoIP Engine UDP, RTP,  F...
Market Forecasts (1) <ul><li>We estimate the market for VoIP equipment will grow to approximately $10 billion by 2005 from...
Market Forecasts- PBX Market (2)
Market Forecast- IP Core (3) Standalone Gateways Carrier Gateway
What is CESoP? <ul><li>CESoP “tunnels” T1/E1 traffic through packet networks whilst maintaining T1/E1 clock and data integ...
Comparing VoIP to CESoP Data Network CES T1/E1 Ethernet PBX Gateway iPBX TDM Based @ core IP Based @ core Bundled Voice nx...
Drivers for CESoP <ul><li>Allows ILECs/CLECs to leverage their existing T1/E1 and DS3/E3 infrastructure </li></ul><ul><li>...
How will CESoP be deployed? Packet Network ATM / IP Metro Core Access Network or  Wide Area Network University Campus Busi...
CES Standards <ul><li>Internet Engineer Task Force (IETF) </li></ul><ul><ul><li>Pseudo wire end to end emulation (PWE3) </...
The Future VoWLAN (1) <ul><li>Cost of WLAN equipment is falling fast, much in the way Ethernet did </li></ul><ul><li>WLAN ...
The Future VoWLAN (2) <ul><li>VoWLAN is inevitable for WLAN </li></ul><ul><ul><li>It will deliver freedom to VoIP </li></u...
The Consequence of Delayed 3G <ul><li>US$107 billion on licenses and infrastructure in Europe  </li></ul><ul><li>The Europ...
WLAN Standards <ul><li>IEEE 802.11b </li></ul><ul><ul><li>2.4GHz @11Mbps </li></ul></ul><ul><li>IEEE 802.11g </li></ul><ul...
The Future? CPE Access Edge Core RAS Switch Router DSLAM Aggregation Equipment Backbone Equipment Moving To VoIP IP/Ethern...
w w w . Z A R L I N K . c o m
Current Situation Edge Access
Mobility TDMA 2G N.A. GPRS 2.5G W CDMA 3G User Access Radios for Handsets Mobile Switching Center & Gateway Base-Station T...
Mobility Network Access <ul><li>TDM </li></ul><ul><li>ATM </li></ul><ul><li>IP </li></ul><ul><li>Timing </li></ul>TDMA 2G ...
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'VoIP': K. McIntyre, Mitel: Talk Febuary 2003

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  • Source 1: CAGR IP Service Switches Redefine the Access Market. Adams, Harkness &amp; Hill (2001). Page 7 Source 2: Graphs IP Service Switches Redefine the Access Market. Sourcing ITU. Adams, Harkness &amp; Hill (2001). Page 7
  • 'VoIP': K. McIntyre, Mitel: Talk Febuary 2003

    1. 1. VOICE OVER PACKET Plymouth University Feb 2003
    2. 2. Zarlink’s Product Groups Network Access Optical Interconnects & Components Timing & Synchronization TDM Switching Voice Over Packet User Access Tuners & Demodulators Digital TV Cellular Handsets Medical Pacemakers Audiologic Ultra-Low Power RF High Performance Analog Packet Switching
    3. 3. Zarlink’s Customers Network Access SIEMENS User Access Medical
    4. 4. Typical Applications (Voice & Data) Packet Network ATM / IP Metro Core Access Network or Wide Area Network University Campus Business Park Residential High Rise Hospital/Clinic Enterprise Access/Edge Core PSTN / 3G Access & Aggregation Equipment Switching Center And Gateway
    5. 5. Zarlink’s Solutions (1) Network Access Packet Network ATM / IP Metro Core Access Network or Wide Area Network University Campus Business Park Residential High Rise Hospital/Clinic Enterprise Access/Edge Core PSTN / 3G Access & Aggregation Equipment Switching Center And Gateway <ul><li>TDM </li></ul><ul><li>TDM Switches </li></ul><ul><li>Network Timing & Synchronization </li></ul><ul><li>Telephony </li></ul><ul><li>ATM </li></ul><ul><li>Inverse Multiplexing access </li></ul><ul><li>AAL2 SARs </li></ul><ul><li>IP </li></ul><ul><li>Ethernet Switches </li></ul><ul><li>Voice over Packet Processors </li></ul>
    6. 6. Zarlink’s Solutions (2) <ul><li>TDM </li></ul><ul><li>High Bandwidth TDM Switches </li></ul><ul><li>SONET/SDH Network Synchronization </li></ul><ul><li>High Density Voice </li></ul><ul><li>Echo Cancellers </li></ul><ul><li>ATM </li></ul><ul><li>AAL1 SARs </li></ul><ul><li>IP </li></ul><ul><li>GB Ethernet Switches </li></ul><ul><li>Voice Over Packet Processors </li></ul><ul><li>High Performance Analog </li></ul><ul><li>Optical </li></ul><ul><li>Components </li></ul><ul><li>VSR </li></ul>Network Access Packet Network ATM / IP Metro Core Access Network or Wide Area Network University Campus Business Park Residential High Rise Hospital/Clinic Enterprise Access/Edge Core PSTN / 3G Access & Aggregation Equipment Switching Center And Gateway
    7. 7. The Big Trend - Voice Centric to Data Centric <ul><li>Data services are the dominant traffic type </li></ul><ul><ul><li>Intranet, internet and email are the main drivers </li></ul></ul><ul><li>CAGR data service 30-50%, voice 3-5% </li></ul><ul><ul><li>Source: Adams, Harkness & Hill (2001) </li></ul></ul><ul><li>Consequence: New network architecture required within the access, edge and core networks </li></ul>For source see speaker notes
    8. 8. Moving Networks to a Packet Infrastructure CPE Access Edge Core RAS Switch Router DSLAM Aggregation Equipment Backbone Equipment Moving To VoIP IP/Ethernet/ TDM IP/Ethernet TDM IP/MPLS
    9. 9. Converged Network Architecture RAS Switch Router DSLAM Aggregation Equipment Backbone Equipment Speed Intelligence Converged Networks Deliver Savings CPE Access Edge Core
    10. 10. Edge is the Aggregation Point <ul><li>Terminates many traffic types </li></ul><ul><li>Feeds into ATM and IP core networks </li></ul><ul><ul><li>IP/MPLS and Ethernet are growing fast </li></ul></ul><ul><ul><li>No new ATM deployments </li></ul></ul><ul><li>Supports legacy services </li></ul><ul><ul><li>T1/E1 and DS3/E3 are included in this </li></ul></ul><ul><li>High Level of QoS </li></ul>Source: Cisco’s MAN Overview Source: Cisco’s MAN Overview
    11. 11. However- Voice is Still the Problem <ul><li>There is a lot of TDM equipment and lines </li></ul><ul><ul><li>With the downturn, TDM will be around for a long time </li></ul></ul><ul><ul><li>Capital expenditure is down severely </li></ul></ul><ul><li>However, suppliers need to address how to migrate voice from voice networks to data networks </li></ul><ul><li>Service Providers are focusing on operational efficiencies </li></ul><ul><ul><li>Hence the requirement for converged networks </li></ul></ul><ul><li>Voice in data networks is not easy </li></ul><ul><ul><li>More bandwidth does not solve the problem </li></ul></ul><ul><ul><li>QoS is key, data networks must be engineered to support voice </li></ul></ul><ul><ul><li>Voice cannot be toll-quality on unmanaged data networks </li></ul></ul>
    12. 12. Many Ways to Skin a Cat! <ul><li>VoIP </li></ul><ul><ul><li>If voice and data are converged at the CPE then VoIP makes the most sense </li></ul></ul><ul><ul><li>This is the end game of most companies </li></ul></ul><ul><li>CESoP </li></ul><ul><ul><li>Circuit Emulation Services </li></ul></ul><ul><ul><li>If the infrastructure is TDM, and point-to-point, then CESoP makes sense </li></ul></ul><ul><ul><li>Simpler than VoIP </li></ul></ul><ul><ul><li>Great at point-to-point links </li></ul></ul><ul><li>VoWLAN </li></ul><ul><ul><li>Similar to VoIP, added advantage is mobility </li></ul></ul>
    13. 13. Technical Drivers for VoIP <ul><li>Technical Driver 1: Standards and interoperability now largely resolved </li></ul><ul><ul><li>Will take time to filter through </li></ul></ul><ul><ul><li>Over the next 24 months growth will be steady before more wide-scale adoption* </li></ul></ul><ul><li>Technical Driver 2: Natural evolutionary process of migration to VoIP </li></ul><ul><ul><li>Enterprises and carriers are moving to VoIP now </li></ul></ul><ul><ul><li>Evolution not revolution </li></ul></ul>* Source: Deutsche Bank Securities Inc
    14. 14. Business Drivers for VoIP <ul><li>Business Driver 1: VoIP delivers mission critical services </li></ul><ul><ul><li>Although this was always true, this was not the perception </li></ul></ul><ul><li>Business Driver 2: The economics of packet transmission are becoming increasingly transparent to carriers and enterprises </li></ul><ul><ul><li>We believe VoIP will gain increasing acceptance driven by its relative network simplicity, lower cost structure and ability to carry both voice and data across a single, ubiquitous network* </li></ul></ul><ul><ul><li>Beyond that we expect momentum to continue to build as new applications/services emerge that homogeneously combine voice/video/data* </li></ul></ul>* Source: Deutsche Bank Securities Inc
    15. 15. VoIP Standards Stratum 4e PLL DSP G.711, G.726, G.729, G.168 DTMF, VAD, CNG Fax/modem Termination VoIP Engine UDP, RTP, Flexible PKT Processor TI DSPs/ Control µP HPI DSP Interface Control µP µP Interface Other VoIP Parts Dual Expansion Port MAC GMII/MII TDM Interface H.110 Devices 2 & 8 Mb/s Memory Interface SDRAM Dual 100 Mb/s Or 1Gb/s Ethernet PHY GMII/MII
    16. 16. Market Forecasts (1) <ul><li>We estimate the market for VoIP equipment will grow to approximately $10 billion by 2005 from close to $2 billion in 2001 </li></ul><ul><ul><li>Although slow at present, we think the adoption of VoIP will accelerate in 2004-2005 and continue through the remainder of the decade </li></ul></ul><ul><ul><li>Source: Deutsche Bank Securities Inc. </li></ul></ul><ul><li>$3B for LAN telephony systems by 2005 </li></ul><ul><ul><li>Source: Cahners In-Stat </li></ul></ul>
    17. 17. Market Forecasts- PBX Market (2)
    18. 18. Market Forecast- IP Core (3) Standalone Gateways Carrier Gateway
    19. 19. What is CESoP? <ul><li>CESoP “tunnels” T1/E1 traffic through packet networks whilst maintaining T1/E1 clock and data integrity. </li></ul><ul><ul><li>Invisible to source and destination </li></ul></ul><ul><ul><li>Packet network “emulates” a circuit-switched network, re-creating the TDM circuit at the far end </li></ul></ul>Packet network T1/E1 line T1/E1 line
    20. 20. Comparing VoIP to CESoP Data Network CES T1/E1 Ethernet PBX Gateway iPBX TDM Based @ core IP Based @ core Bundled Voice nx DS0 DS0 Granularity Manipulated voice
    21. 21. Drivers for CESoP <ul><li>Allows ILECs/CLECs to leverage their existing T1/E1 and DS3/E3 infrastructure </li></ul><ul><li>Whilst moving to packet based networks </li></ul><ul><li>Allows customers to still get the same service, QoS and peace of mind as they already have </li></ul><ul><ul><li>Don’t have to invest in new equipment </li></ul></ul><ul><li>Requires little new equipment </li></ul>
    22. 22. How will CESoP be deployed? Packet Network ATM / IP Metro Core Access Network or Wide Area Network University Campus Business Park Residential High Rise Hospital/Clinic Enterprise Access/Edge Core PSTN / 3G Access & Aggregation Equipment Switching Center And Gateway T1/E1 T1/E1 T1/E1
    23. 23. CES Standards <ul><li>Internet Engineer Task Force (IETF) </li></ul><ul><ul><li>Pseudo wire end to end emulation (PWE3) </li></ul></ul><ul><ul><li>Zarlink co-sign on draft specification </li></ul></ul><ul><li>ITU </li></ul><ul><ul><li>Just started at this process, led by Nortel </li></ul></ul><ul><li>Metro Ethernet Forum (MEF) </li></ul><ul><ul><li>CES is a service on MEN </li></ul></ul><ul><ul><li>Zarlink editor on CES document </li></ul></ul>
    24. 24. The Future VoWLAN (1) <ul><li>Cost of WLAN equipment is falling fast, much in the way Ethernet did </li></ul><ul><li>WLAN is moving fast </li></ul><ul><ul><li>This year will be the year of WLAN hotspots </li></ul></ul><ul><ul><ul><li>Train stations, hotels, airports, coffee shops </li></ul></ul></ul><ul><ul><li>Today this is only data </li></ul></ul><ul><li>Additionally, wireless voice is happening in WLANs </li></ul><ul><ul><li>Several companies have this equipment </li></ul></ul><ul><ul><li>This will move to WLAN hotspots </li></ul></ul>
    25. 25. The Future VoWLAN (2) <ul><li>VoWLAN is inevitable for WLAN </li></ul><ul><ul><li>It will deliver freedom to VoIP </li></ul></ul><ul><ul><li>VoWLAN with 2G/2.5G could give 3G serious competition </li></ul></ul><ul><li>Four major announcements: </li></ul><ul><ul><li>Lucent UMTS 3G with WLAN. </li></ul></ul><ul><ul><li>Ericsson partners Agere for WLAN hotspots. </li></ul></ul><ul><ul><li>Nokia equipment for 2G/2.5G/3G and WLAN hotspots </li></ul></ul><ul><ul><li>Motorola, Proxim and Avaya partner for Phone/WLAN hand-over </li></ul></ul>
    26. 26. The Consequence of Delayed 3G <ul><li>US$107 billion on licenses and infrastructure in Europe </li></ul><ul><li>The European wireless market now doubts whether it will ever recoup its investment. </li></ul><ul><li>As a result: </li></ul><ul><ul><li>Carriers scaling down their 3G roll outs </li></ul></ul><ul><ul><li>Remain unwilling to spend more until real signs of consumer interest demonstrate themselves </li></ul></ul><ul><li>However, many European wireless companies are excited about the emergence of Wi-Fi , which many European carriers hope to integrate with their existing GSM/GPRS networks. </li></ul><ul><ul><ul><li>Source: www. reuters .com/ newsArticle . jhtml ?type= topNews & storyID =2257078 (Mobile Industry Struggles in Wireless Web ) </li></ul></ul></ul>
    27. 27. WLAN Standards <ul><li>IEEE 802.11b </li></ul><ul><ul><li>2.4GHz @11Mbps </li></ul></ul><ul><li>IEEE 802.11g </li></ul><ul><ul><li>2.4GHz @ 54Mbps </li></ul></ul><ul><li>IEEE 802.16a WMAN </li></ul><ul><ul><li>10 to 66 GHz @ 54Mbps </li></ul></ul><ul><ul><li>‘ It closes the first-mile gap, giving users an easily installable, wire-free method to access core networks for multimedia applications’ </li></ul></ul><ul><ul><ul><li>Chair of the 802.16 Working Group on Broadband Wireless Access. </li></ul></ul></ul>
    28. 28. The Future? CPE Access Edge Core RAS Switch Router DSLAM Aggregation Equipment Backbone Equipment Moving To VoIP IP/Ethernet/ TDM IP/Ethernet TDM IP/MPLS WMAN WLAN
    29. 29. w w w . Z A R L I N K . c o m
    30. 30. Current Situation Edge Access
    31. 31. Mobility TDMA 2G N.A. GPRS 2.5G W CDMA 3G User Access Radios for Handsets Mobile Switching Center & Gateway Base-Station Transceivers Radio Network Controllers 3G 2.5G 2G
    32. 32. Mobility Network Access <ul><li>TDM </li></ul><ul><li>ATM </li></ul><ul><li>IP </li></ul><ul><li>Timing </li></ul>TDMA 2G N.A. GPRS 2.5G W CDMA 3G User Access Radios for Handsets 3G 2.5G 2G Mobile Switching Center & Gateway Base-Station Transceivers Radio Network Controllers

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