Why Ethernet ? Jan Marketing Div. Tel : , 6652 ~ 5 Fax : Mail :
2 1. Current Metro Access & Core Network 2. Yes, Ethernet ! Simply Connecting the World 2 Contents 2
Simply Connecting the World Far and Broad 3 3 ATM-ADSL ATM TDM AccessMetro Core ISP Private Backbone PSTN Backbone Current Metro Access & Core POS ATM SONET ResidentialResidential MxUMxU EnterpriseEnterprise EnterpriseEnterprise Customer
Simply Connecting the World Far and Broad 4 4 Current Metro Access and Core Network TDM/SONET-based PSTNInternet Router Ethernet T1 PBX T1 MTU SONET ADM DCS AR ES CR DCS Voice Switch SONET ADM POS OC12 POS OC48/192 GbE Channelized T3/STM-1/OC12 (T1: 28/ /336) CH-T3 CO Metro POP OC-3/12OC-48 DSU/ CSU Voice:STM Data:STM Voice:STM Data:STM IP Voice VT TDM Muxing SONET/SDH PSTNInternet Router Ethernet T1 PBX T1 MTU SONET ADM AR ES CR DCS Voice Switch SONET ADM POS OC12 POS OC48/192 GbE Channelized T3/STM-1/OC12 (T1: 28/ /336) CH-T3 CO Metro POP OC-3/12OC-48 DSU/ CSU Voice:STM Data:STM Voice:STM Data:STM IP Voice VT TDM Muxing SONET/SDH IP Voice VT SONET/SDH Edge Router
Simply Connecting the World Far and Broad 5 5 Current Metro Access & Core Network Router Ethernet T1 PBX T1 MTU FLC (RT) OC-3/12 DSU/ CSU Voice:STM Data:ATM PSTNInternet ARESGateway Router Voice Switch ADM CO Metro POP OC-48 Voice:STM Data:ATM ADM WB-DCS FLC (COT) Class5 DSLAM POTS only POTS + ADSL ATM SW IP Voice ATM Muxing VT TDM Muxing SONET/SDH FLC (RT) OC-3/12 Voice:STM Data:ATM DLC ATM SW RAS ATM FLC (COT) MDU PSTNInternet HOME ARESGateway Router Voice Switch ADM CO Metro POP OC-48 Voice:STM Data:ATM ADM WB-DCS FLC (COT) Class5 DSLAM POTS only RAS POTS + ADSL ATM SW ATM-based
Simply Connecting the World Far and Broad 6 6 Problem of Current Metro Transport: SONET/SDH Expensive, Inefficient for Data, Upgrade, Long Lead Time Switching/Multiplexing: ATM Expensive, Scalability(622M), Cell Tax(25%) Routing: POS Expensive, L3 routing hop, IP administration Overlay architecture: IP/ATM/SONET Complex Management and operation Enterprise Access: TDM-based Performance bottleneck Residential Access: ATM-based ADSL Expensive CapCo
Simply Connecting the World Far and Broad 7 7 Customer Low access charge High-speed and secure-access Dynamic BW provisioning Service Providers want (Cost reduction and Revenue generation) Reducing total cost of ownership Simplicity (reduce the operation-cost) IP-based single network platform providing various service: Data, Voice and Video End-to-end solutions Easy deployment, installation, management and operation Maintenance: Remote monitoring/maintenance operation/troubleshooting, statistics accounting for billing purpose % availability Scalability (10M-100M-1G-10Gbps) Standard and interoperable (Operate multi-vendor networks) Managed BW service Value-added service through Differenciated Services Metro access for long-haul networks (for Inter-city VPN service) Requirement
Yes, Ethernet ! Simply Connecting the World 8 8
Far and Broad 9 9 Dark Fiber CWDM DWDM RPR MPLS Edge Node(Aggregation, 5408) DSLAM(6512,6524,6624) Core Node(inter-CO) Access Node(metro access, 5408) GbE/10GbE GbE POS 10/100 Copper line Core Router(Inter-City, Internet) Gatekeeper Dedicated Streaming Server CN In-building & Access Platform Ethernet-based Access Network ADSL, VDLS, FTTC + VDSL, FTTC + Ethernet Ethernet-based Core Network Ethernet over dark fiber, CWDM, DWDM, RPR, MPLS, SONET Contents 1.5Km5Km40Km User L2 AN IDC FTTO 40Km FTTC 100M/1G PSTN Internet Backbone (Private) D-Streaming server CO EN ADSL EVDSL 10/100 MxU (Cat.5 wiring) FTTC 100Mbps: 100m Native Ethernet FTTC CPE MxU (Cat.3 wiring) L2 10/100 DSLAM Ethernet over VDSL 15Mbps: 1.0Km 10Mbps: 1.2Km 5Mbps: 1.5Km AN Main Closet 6624 Cat. 1/2/3 40Km Gateway Metro POP Gateway New Ethernet-based IP Network
Simply Connecting the World Far and Broad 10 Ethernet Evolution Low cost : CapEx, opEx Network capacity scalability: 1GbE, 10GbE, CWDM (4GbE), DWDM (Tens of GbE) Scalable: ,000 Mbps Large pool of trained network administrators Full duplex/Symmetrical/Easy to use Versatile can support IP services MxU LAN WAN LAN MxU MAN 94%=Ethernet High-speed, low cost access Ethernet switching and Transport network 10GbE with DWDM Ethernet end-to-end 1M 10M 100M 1G 10G Layer2 Layer3 Layer4+ LAN MAN WAN Ethernet 1972, Bob Metcalfe
Simply Connecting the World Far and Broad 11 Network Deployment Cost FiberFiber IPIP GbEGbE ATMATM SONETSONET IPIP FiberFiber LAN Ethernet LAN Ethernet LAN Ethernet LAN Ethernet LAN Managed Optical IP Network Gigabit Connectivity Traditional Telco Network Voice-oriented Connectivity Telco Central Office ATM SONET Yipes, DellOro Group, Yankee Group, Extreme Networks, Juniper Networks Analysis assumes a regional network with five hubs and 10 ringsElectronics/Optics$/MB BW Mgmt & provisioning Annual Maint upgradesIP/ATM/SONET$8-40$5k$750~$3750 IP/SONET$8-40$5k$750~$3750 IP/Ethernet$8-40$1k$150~$450 GigEAdvantage 8:1~13:15:15:1~8:1
Simply Connecting the World Far and Broad 12 Average Selling Price per Gbps Source: DellOro Nov POS vs. Ethernet $/Gbps $/Gbps OC340,11836,00034,00031,00026,400 OC1220,00018,00016,50015,25014,500 OC4811,00010,5009,5009,0008,500 OC19210,5007,7005,8504,5003,100 FE4,7504,4004,0003,5003,100 GE1,5001,4001,2501, GE
Simply Connecting the World Far and Broad 13 Ethernets Value Chain Dynamic provisioningCWDM/DWDMRSTP (ieee 802.1w) MultiField Packet Classification Wire-speed forwarding (L2)Port security: VLANVLAN conenctivity 802.1p priority queueingWire-speed forwarding (L3) ACL security (L2: MAC filtering, Authentication) Ethernet over MPLS Diff-Serv/Int-ServLong range optic (40~120Km) NATEFM / EoVDSL Ethernet over MPLSHigh speed switching fabricSTP Ring topology :RPR, fairness,SM Rate-limiting10GbERPR (ieee )MPLS Low cost and High Speed Ethernet New Enabling Ethernet Technologies Ubiquitous Ethernet Reducing total cost of ownership Simplicity (reduce the operation-cost) IP-based single network platform providing various service: Data, Voice and Video End-to-end solutions Easy deployment, installation, management and operation Maintenance: Remote monitoring/maintenance operation/troubleshooting, statistics accounting for billing purpose % availability Scalability (10M-100M-1G-10Gbps) Standard and interoperable (Operate multi-vendor networks) Managed BW service Value-added service through Differenciated Services Metro access for long-haul networks (for Inter-city VPN service) Ethernet can meet Service Providers Need Value-Added Services: Internet access, Ethernet private line, VoIP, VoD, Wholesale service, ASP/CSP/DBSP access Ethernet-based Low cost & High speed Service Value Chain
Simply Connecting the World Far and Broad 14 Ethernet Evolution Native Ethernet (LAN) The 1 st Generation Metro Optical Ethernet The 2 nd Generation Metro Optical Ethernet BW guarantee(CO) = Ingress rate-limiting (UPC) q VLAN (Connection) p priority queueing BW guarantee(CO) = Ingress rate-limiting (UPC) q VLAN (Connection) p priority queueing Switch architecture H/W-based wire-speed L2/L3 forwarding, queueing and scheduling Switch architecture H/W-based wire-speed L2/L3 forwarding, queueing and scheduling CoS/QoS Diff-serv to 802.1p mappingCoS/QoS Resiliency/Restoration RSTP (1 sec)Resiliency/Restoration No BW guarantee(CL) Resiliency STP (30sec) STP (30sec)Resiliency P-to-P, Mesh topologies P-to-P, Mesh topologies Short range Optics 1000BaseLX (5Km) Short range Optics 1000BaseLX (5Km) Geographic limitation Ethernet LAN Geographic limitation Ethernet LAN No CoS/QoS End-to-end BW guarantee(CO) = Ingress rate-limiting (UPC) + MPLS LSP (Per-LSP BW reservation) End-to-end BW guarantee(CO) = Ingress rate-limiting (UPC) + MPLS LSP (Per-LSP BW reservation) Switch architecture Switch architecture H/W-based wire-speed MPLS forwarding, queueing and scheduling Switch architecture Switch architecture H/W-based wire-speed MPLS forwarding, queueing and scheduling MPLS CoS/QoS 802.1p/TOS/Diff-serv/port # to Exp/CoS or LSP MPLS CoS/QoS 802.1p/TOS/Diff-serv/port # to Exp/CoS or LSP Resiliency/Restoration Resiliency/Restoration MPLS fast reroute (100msec) Resiliency/Restoration Resiliency/Restoration MPLS fast reroute (100msec) Ring: RPR (802.17) - SRP - Restoration (<50msec) - Fair ring-access - Statistical BW sharing Ring: RPR (802.17) - SRP - Restoration (<50msec) - Fair ring-access - Statistical BW sharing Long range optics Long range optics BGIC/CWDM/DWDM Long range optics Long range optics BGIC/CWDM/DWDM Geographic limitation Geographic limitation Ethernet WAN Geographic limitation Geographic limitation Ethernet WAN 10 Gigabit Ethernet/40GbE 10 Gigabit Ethernet/40GbE Real-time/Web-based/ Self-provisioning Self-provisioning Real-time/Web-based/ Self-provisioning Self-provisioning VoIP VoIP Usage-based billing Usage-based billing Ring topology Usage-based billing Real-time provisioning 1 Gigabit Ethernet/4GbE Geographic limitation Ethernet MAN Geographic limitation Ethernet MAN Long range optics (70~150Km) BGIC/CWDM Long range optics (70~150Km) BGIC/CWDM
Simply Connecting the World Far and Broad 15 1M 10M 100M 1G 10G 155M 622M 2.5G 10G Ethernet SONET ATM 45M 155M 622M Comparison I. Scalability
Simply Connecting the World Far and Broad 16 Comparison II. QoS ATM QoS Metro Ethernet QoS L2 Connectivity VCC (pre-established) Originally Connection-less, But q VLAN - Ethernet over MPLS (pre-established) Switch Architecture H/W–based forwarding, switching, queueing and scheduling H/W–based L2/L3 forwarding, switching, queueing and scheduling Traffic Classification Implicit (VPI/VCI) L2/L3/L4 classification Address lookup Exact matching L2: Exact matching L3: Longest prefix matching Ingress rate limiting UPC Ingress rate limiting Priority queueing 5 Traffic classes 8 traffic classes (ieee 802.1p) Priority scheduling SP, WFQ Congestion control RED, WRED
Simply Connecting the World Far and Broad 17 SonetEthernet APS STP, RSTP, RPR, MPLS 50msec 30sec, 1sec, 50msec, ?msec Comparison III. Reliability
Simply Connecting the World Far and Broad 18 New Ethernet Service Provider
Simply Connecting the World Far and Broad 19 Dark Fiber CWDM DWDM RPR MPLS Edge Node(Aggregation, 5408) DSLAM(6512,6524,6624) Core Node(inter-CO) Access Node(metro access, 5408) GbE/10GbE GbE POS 10/100 Copper line BB Router(Inter-City, Internet) Gatekeeper Dedicated Streaming Server CN In-building & Access Platform Ethernet-based Access Network ADSL, VDLS, FTTC + VDSL, FTTC + Ethernet Ethernet-based Core Network Ethernet over dark fiber, CWDM, DWDM, RPR, MPLS, SONET Contents 1.5Km5Km40Km User L2 AN IDC FTTO 40Km FTTC 100M/1G PSTN Internet Backbone (Private) D-Streaming server CO EN ADSL EVDSL 10/100 MxU (Cat.5 wiring) FTTC 100Mbps: 100m Native Ethernet FTTC CPE MxU (Cat.3 wiring) L2 10/100 DSLAM Ethernet over VDSL 15Mbps: 1.0Km 10Mbps: 1.2Km 5Mbps: 1.5Km AN Main Closet 6624 Cat. 1/2/3 Ethernet-based Metro Core Network 40Km Gateway Metro POP Gateway
Simply Connecting the World Far and Broad 20 Dedicated Streaming Server L3 CS Contents IDC FTTO 40Km 100M/1G PSTN Internet Backbone (Private) D-Streaming server CO EN 40Km Metro POP Gateway Softswitch ADSL VDSL Ethernet IP Ethernet/VLAN Dark fiber (40-70Km) POS 10/100 Copper line BB Router(Inter-City, Internet) POS (Packet over SONET) Gigabit Ethernet Core Node(inter-CO) Ethernet switch is connected by dark fiber in each CO Without passing by the existing metro transmission network (SONET) (GBIC: SX 2km, LX 10Km, LLX 40Km) Construction budget is greatly reduced since metro transmission and switching network are constructed by Ethernet switch and Dark fiber. Ethernet over Dark Fiber GbE/10GbE
Simply Connecting the World Far and Broad 21 Contents IDC FTTO 40Km L2\L3 CS CO EN Softswitch ADSL VDSL Ethernet IP Ethernet/VLAN DWDM Metro DWDM POS (Packet over SONET) Gigabit Ethernet Ethernet Switch(L2/L3) Ethernet over DWDM To increase the Ethernet transmission and switching network capacities DWDM is applied. Here, OADM should support Native Ethernet Interface. Dedicated Streaming Server PSTN Internet Backbone (Private) Metro POP Gateway POS D-Streaming server DWDM OADM Or MUX EoD DWDM Ring channels
Simply Connecting the World Far and Broad 22 Dark Fiber CWDM DWDM RPR MPLS Edge Node(Aggregation, 5408) DSLAM(6512,6524,6624) Core Node(inter-CO) Access Node(metro access, 5408) GbE/10GbE GbE POS 10/100 Copper line BB Router(Inter-City, Internet) Gatekeeper Dedicated Streaming Server CN In-building & Access Platform Ethernet-based Access Network ADSL, VDLS, FTTC + VDSL, FTTC + Ethernet Ethernet-based Core Network Ethernet over dark fiber, CWDM, DWDM, RPR, MPLS, SONET Contents 1.5Km5Km40Km User L2 AN IDC FTTO 40Km FTTC 100M/1G PSTN Internet Backbone (Private) D-Streaming server CO EN ADSL EVDSL 10/100 MxU (Cat.5 wiring) FTTC 100Mbps: 100m Native Ethernet FTTC CPE MxU (Cat.3 wiring) L2 10/100 DSLAM Ethernet over VDSL 15Mbps: 1.0Km 10Mbps: 1.2Km 5Mbps: 1.5Km AN Main Closet 6624 Cat. 1/2/3 40Km Gateway Metro POP Gateway Ethernet-based Access Network
Simply Connecting the World Far and Broad 23 Metro Access and Core Network ADSL CO Ethernet Existing telephone line DSLAM L3 switch 1G POP Dark fiber (from NTT) GSR Ethernet Main_ring Last-mile 1G 1G1G Internet Tokyo 100 Central Offices (from NTT) 607 Km Dark Fiber (from NTT) Internet access: AGC, Level3 National Backbone: NTTTokyo 100 Central Offices (from NTT) 607 Km Dark Fiber (from NTT) Internet access: AGC, Level3 National Backbone: NTT Cisco Catalyst 6509 Medialincs DX6524 ADSL CO Ethernet Existing telephone line DSLAM L3 switch 1G Sub_ring 100M
Simply Connecting the World Far and Broad 24 CO Configuration DSLAM Rack (10) Power Rack L3 switch Rack (1) GbE To/From Other CO To/From Other CO GbE #24 100Mbps 1000Mbps #1 8M/1M 24 10/100 ports GbE GbE #1#10 … #1 #30 L3 switch DSLAM L2 switch … DSLAM L2 switch …
Simply Connecting the World Far and Broad 25 DSLAM DX 6512/6524 L2 Ethernet switch ATI 3624 Patch panel Splitter L3 switch (Extreme summit5i, Cisco Catalyst 6509) DSLAM rack L3 switch rack CO Gears
Simply Connecting the World Far and Broad 26 Comparison: Monthly-fee ATM-based 5,937Y Ethernet-based 3,017Y
Simply Connecting the World Far and Broad 27 Cost Analysis Exit !!!! (13 months) Exit !!!! (13 months)Subscriber: 1,000,000 Service rate: Y2,000
Thank You! Far and Broad