1. ZyXEL Confidential Bringing the Legacy Network into the Future of Broadband Annie Huo annieh@zyxel.com.tw Product Marketing and Mgt. ZyXEL Communications

2. ZyXEL Confidential Agenda Challenges for Service Providers –Data surpassing voice –Growth of IP applications –Today’s CO Infrastructure How to minimize the cost of broadband offering –Network Evolution –ATM vs. IP –IP DSLAM in central office application –Broadband switch in MTU application ZyXEL IP Based Access Solution –IP DSLAM –Broadband Switch –EMS – NetaVista –Roadmap

3. ZyXEL Confidential Challenges for Service Provider Shift to Multiservice Networks Deregulation and Competition Data Surpassing Voice Growth of IP Applications 0 1 2 3 4 5 6 199019921994199619982000 Data Voice Video Internet Multiservice Network Data Voice 0 50 100 150 200 250 1996199719981999 2000 IP Users (Millions) Source : Cisco

4. ZyXEL Confidential Growth of IP Applications Video conferenceEducation on Demand Video on DemandGaming

5. ZyXEL Confidential Today’s CO Infrastructure DACS IP Router Frame Relay Switch ATM Switch OC-12 SONET OC-48 SONET Channelized T3/E3 or OC-3 T1/E1 T3/E3, OC-3, or OC-12 Trunking DACS Class 4 Switch SONET ADM Significant Investment in TDM Technology Separate Platforms and Trunking for Each Service Inefficient Use of SONET Ring Capacity Due to TDM Partitioning Souce : Cisco

6. ZyXEL Confidential Network Evolution TDM Frame Relay ATMIP  In TDM network, the network’s bandwidth often lies idle.....  Frame Relay network can’t offer carrier voice quality.....  ATM is widely deployed, but complex and expensive …..  ZyXEL believes IP is the best way for the future

7. ZyXEL Confidential IP ATM SONET/SDH Fiber IP SONET/SDH Fiber IP Enhanced Ethernet Fiber IP - Optimized New Network Expensive Complicated Inefficient Inexpensive Simple Efficient

8. ZyXEL Confidential Provisioning in The Hard Way ATM DSLAM LAN Central Office ATM Switch SDH MAN ADM Internet RouterDSL CPE IP/EthernetIP/SONETIP/ATMIP/ATM/DSLIP/Ethernet ATM-to-IP conversions in traditional network environment waste a lot in bandwidth efficiency.

9. ZyXEL Confidential Provisioning in The Easy Way IP DSLAM LAN Central Office GIGABITE ETHERNET MAN Internet DSL CPE IP/EthernetIP/ATM/DSLIP/Ethernet High Speed Switch/Router High Speed Switch/Router IP network provides the most natural and efficient way for data delivery.

10. ZyXEL Confidential Broadband Access Network Residential/Business Area ADSL Residential Users G.SHDSL Exchange/ Central Office DSLAM SDH/ SONET ADSL xDSL Curb/Street Cabinet Business Users DLC Remote DSLAM Ethernet VDSL ADSL HPNA Building/Community Business Users Residential Users P1400 + xES series Internet ATM Switch Router/Switch ADM Remote DSLAM Residential Users Business Users IP Link Residential/Business Area Where ZyXEL Focus IP-Based Broadband Access ADSL G.SHDSL

11. ZyXEL Confidential IP vs. ATM IP QoS (802.1p, 802.1q) High speed for backbone (1Gbps, 10Gbps) Low cost equipment Better bandwidth utilization Ease of Use Easy for Maintenance and troubleshooting ATM QoS (CBR, VBR, UBR) High Speed for backbone (155Mbps, 622Mbps) Expensive ATM equipments (30%-50% higher than IP equipments) 20-30% waste in bandwidth ATM network is complex

12. ZyXEL Confidential IP DSLAM in Central Office Application Central Office Router/ Switch IP DSLAM AES, IES series Internet Router/ Switch copper wire ADSL/ G.shdsl

13. ZyXEL Confidential Local Exchange/ Central Office VES-1012 PES-1014 EES-1024 Building/Community DSU/CSU T1/E1 ADSL/G.shdsl L3 switch ADSL/ G.shdsl modem Broadband Switch in MTU Application VES-1012 PES-1014 EES-1024 VES-1012 PES-1014 EES-1024 Internet MMDS FTTB

14. ZyXEL Confidential Focus on IP-based Broadband Access Products for CO and MTU applications IP DSLAM –Solution: ADSL, G.SHDSL –Target customers : ILEC, CLEC, ISP Broadband Access Switch –Solution: HPNA, VDSL, Ethernet –Target markets: Office or residential buildings, campus, hotels, public areas EMS - NetaVista (both SNMPc and HP Openview) Broadband Access Product Lines

15. ZyXEL Confidential IP DSLAM Solution Components IP DSLAMCPEElement Manager AES-100 NetaVista P645/ P630 IES-1000 P782 IES-2000/3000 P645/ P630 P782

16. ZyXEL Confidential ZyXEL’s IP DSLAM Solution  Using the existing copper wire  Provide DSL to Ethernet multiplexing  Hot-swappable modular design for mix of ADSL and G.SHDSL.  ADSL Annex B available in IES series  Standard FE (GE) uplink, easy integration with IP backbone in the future  1U(16-port) – AES-100, IES-1000, 4U(120-port) – IES-2000, and 9U(336-port) – IES-3000 AES-100 IES-2000 IES-3000 IES-1000

17. ZyXEL Confidential Broadband Switch Solution Components Broadband switch CPE Element Manager PES-1014 NetaVista VES-1012P841 EES-1024 PEC-50 PUC-20 PPC-10

18. ZyXEL Confidential ZyXEL’s Broadband Switch Solution  Full product range – HPNA, VDSL and Ethernet  Standard FE or GE uplink  Perfect for FTTB  1U – PES-1014(14-port), VES-1008 (8- port), VES-1012 (12-port), VES-1024 (24- port), EES-1024 (24-port)  VDSL high port-density design in IES- 2000, 4U(60-port) and IES-3000, 9U(168- port) design  Hot-swappable modular design VES-1008/1012/1024 PES-1014 EES-1024

19. ZyXEL Confidential Remote Network Management  NetaVista provides remote network management  SNMP devices auto-discovery  Topology maintenance automatically  Hierarchy subnet map view

20. ZyXEL Confidential NetaVista Overview NetaVista minimizes the total cost of ownership – Installation, Operation, Maintenance and Support.

21. ZyXEL Confidential Demo in Cebit 2002 Rack 1 Rack 2 IES-2000 IES-3000 USG NetaVista Also as video server EES-1024 AES-100 IES-1000 VES-1012 VES-1008 P841P645P782 Client for VoD, E-learning PES-1014

22. ZyXEL Confidential Partnership with Nomadix Ethernet DSU/CSU or ADSL/G.shdsl modem Data Network Hotel Common Space VES-1012 Guest Room Ethernet P841 T1/E1, ADSL/Cable No-new-wiring Hotel PMS Video server