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Transcript
• May 2008 Ethernet and Legacy Access over DSL • Presented by: • CBNetworks • Technical Support • [email protected] • http://www.cbnetworks.fr Variety of Ethernet Access Solutions – Implementation Scenario Ethernet over SDH/SONET Ethernet over PDH Branch RICi-622GE RICi-E1 10BT RICi-622GE STM-4/OC-12 GbE GFP Branch GbE Branch Branch RICi-155GE RICi-4/8E1 MLPPP 10BT EoPDH Branch GbE RICi-155GE STM-1/OC-3 GbE ADM RICi-16 Branch Ethernet over DSL 100BT SDH IPDSLAM GFP-VCAT LA-210 F.ETH STM-1/OC-3 GbE GbE Egate Service Provider Packet Switched Network Ethernet over Fiber F.ETH ETX-202 EFM Bonding GbE Branch IPDSLAM LA-110 F.ETH ATM ASMi-54 ASMi-54 GbE SHDSL.bis Headquarters ETX-202A GbE GbE Metro Ethernet GbE Branch • Extending the reach of the provider’s network over a variety of access technologies • Consistent Ethernet service across different access technologies http://www.cbnetworks.fr - [email protected] Ethernet and Legacy Access over DSL for TS2008 Slide 2 Agenda Agenda: • ASMi-54 • • LA-110 • • Concept + Applications LA-210 • http://www.cbnetworks.fr - [email protected] Concept + Applications Concept + OAM • Summary • Appendix • Road Maps • LA Product Family Line • LA-210 Flow Concept • OAM – CC/LB/LT Ethernet and Legacy Access over DSL for TS2008 Slide 3 What is the Business Case? Strong growth of DSL subscribers ~200 million in 2007 expected to grow to 364 million in 2011* What are they used for? • Internet hi-speed access (residential customers) • Added value (residential market - video, gaming, etc.) • Voice over IP services • IP VPN services for business customers * Source: Infonetics Research, Broadband Aggregation Hardware and Subscribers Market Share and Forecasts 4Q07 We have the technology and the infrastructure which provide higher Bandwidth…. …what else can we do with it? • Carrier & Utilities Market (Railways, Highways, CCTV) • Leased line services (E1/T1, n x 64 kbps), FR • Ethernet services for Business customers • Cellular backhaul for 2G/2.5G and 3G networks http://www.cbnetworks.fr - [email protected] Ethernet and Legacy Access over DSL for TS2008 Slide 4 ETH & Legacy Over DSL ASMi-54 Fast Ethernet n x SHDSL ASMi-54 Fast Ethernet Node-B RNC PSN Eth/IP/MPLS GbE n x SHDSL GbE LA-210 Fast Ethernet Node-B IPDSLAM Customer Premises Customer Premises PBX PBX IPDSLAM E1 LA-110 SHDSL IPDSLAM PSN Eth/IP/MPLS ETH LA-110 E1 SHDSL ETH GbE TDMoIP Gateway IPmux Gmux TDM CO/POP http://www.cbnetworks.fr - [email protected] Ethernet and Legacy Access over DSL for TS2008 Slide 5 SHDSL Products Profile Power Supply EN – 50124 Stand. 2W,4W AC/DC/24V Comply on S/A* 4.6M 2W,4W AC/DC N/A 22.8M 2W,4W,8W Modem Type ETH Ports Other interfaces Max. Rate Max.wire s ASMi-52 1 PORT E1/T1/V35/X 21/RS530 4.6M ASMi-52L 1 or 4 PORTs E1/V35 ASMi-54 4 PORTS E1 – Phase 2.0 DIN Central Solution Installation ETH Performance Metal Box Standard Comply 4W VLAN priority Comply SHDSL N/A VLAN priority N/A SHDSL VLAN priority /QOS Only 8W SHDSL.bis/EFM MP-2100, MP-4100, DXC-30, LRS-24 Support on 2w & AC/DC/24V N/A MP-4100*, LRS-102 4w * ASMi-54C – beta Q3/08 http://www.cbnetworks.fr - [email protected] Ethernet and Legacy Access over DSL for TS2008 Slide 6 ASMi-54 – G.SHDSL.bis Technology Services Link Options ETH 2w 5.7 Mbps 4w 11.4 Mbps 8w 22.8 Mbps ASMi-54 ETH ETH ETH ASMi-54 ASMi-52 • New SHDSL standard – TC-PAM 32 • Standard SHDSL – TC-PAM 16 • Enables 5.7Mbps over 2w • Enables 2.3Mbps over 2w • Even higher rate over 8w with bonding • No bonding http://www.cbnetworks.fr - [email protected] Ethernet and Legacy Access over DSL for TS2008 Slide 7 ASMi-54 – Phase 1 Management options • Terminal, Telnet, ConfiguRAD, Out-of-band/In-band Ethernet port • In-band dedicated VLAN to encapsulate management traffic WAN Protocol • EFM bonding - enables each link to synch at different rate. Failure or addition of a link doesn't drop the whole group VLAN Mode • Stacking/stripping based on 802.1D MAC ,802.1Q VLAN • Quality of service (QOS)on the DSL egress direction Fault Propagation • From SHDSL to user interface Estimated Distance • Estimated distance @ 5,696 kbit/s – 2.9 km - with noise-free @26AWG cable • Up to 22.8Mbps over 8 wires Ordering Options • Plastic/Metal box/Rail Mount case • Extended temperature option (-20˚C to +70˚C) http://www.cbnetworks.fr - [email protected] Ethernet and Legacy Access over DSL for TS2008 Slide 8 ASMi-54 – Phase 2.0 • 4 ETH ports with additional E1/T1 ports • RADview support (RV-EMS-SW/TDM/PC 1.8) ASMi-54 E1/T1 2w 5.7 Mbps 4w 11.4 Mbps 8w 22.8 Mbps Phase 2.0 Four ETH Available !! • SHDSL.bis repeaters support: • 2W, plastic – S-RPT • 2W, metal IP-67 Outdoor – S-RPT/IP-67 • 4W, metal IP-67 Outdoor – S-RPT-4W http://www.cbnetworks.fr - [email protected] Ethernet and Legacy Access over DSL for TS2008 Slide 9 Central Solution: LRS-102/ASMi-54 Card LRS-102 • 4U, 12 I/O • System redundancy • Central management • Improved pricing • 12 x 16W per ASMi-54 card 2 x power supplies 2 x Common Logic 12 I/O slots • High port density - 24 OP-108/106 modules • Under customers validation ASMi-54 Card • Stackable into LRS-102 and MP- 4100 • Supports up to 16 wires on the DSL line • Interfaces: • 8 E1 lines via DB-44 cable balanced • 2 ETH 10/100 Base T ports http://www.cbnetworks.fr - [email protected] Ethernet and Legacy Access over DSL for TS2008 Slide 10 http://www.cbnetworks.fr - [email protected] Ethernet and Legacy Access over DSL for TS2008 Slide 11 ASMi-54 Point to Point Applications ASMi-54 CCTV ASMi-54 5.7 Mbps ETH Pumping Station 5.7 Mbps Control Room ASMi-54 ASMi-54 E1/T1 Four ETH ASMi-54 ETH SHDSL.bis Repeater E1/T1 ASMi-54 Phase 2.0 Phase 2.0 Phase 1.0 Phase 1.0 Four ETH Winning Combination / Business Environment: • Built-in Ethernet bridge • High ETH performances • 5.7 Mbps over 2-wire lines – estimated 2.9 km on 26AWG http://www.cbnetworks.fr - [email protected] Ethernet and Legacy Access over DSL for TS2008 Slide 12 Ethernet and E1 Range Extension over Copper using a Central Solution SDH/ SONET n x E1/T1 CP POP PBX LRS-102/MP-4100 ASMi-54 E1 SHDSL.bis ETH n x FETH IP/MPLS Key Benefits • Powerful central site solution • Low cost and simplicity • High reliability (PS and main link protection) http://www.cbnetworks.fr - [email protected] Ethernet and Legacy Access over DSL for TS2008 Slide 13 ETH & Legacy over DSL ASMi-54 Fast Ethernet n x SHDSL ASMi-54 Fast Ethernet Node-B RNC PSN Eth/IP/MPLS GbE n x SHDSL GbE LA-210 Fast Ethernet Node-B IPDSLAM Customer Premises Customer Premises PBX PBX IPDSLAM E1 LA-110 SHDSL IPDSLAM PSN Eth/IP/MPLS ETH LA-110 E1 SHDSL ETH GbE TDMoIP Gateway IPmux Gmux TDM CO/POP http://www.cbnetworks.fr - [email protected] Ethernet and Legacy Access over DSL for TS2008 Slide 14 Evolution of Ethernet and Legacy Service Delivery over DSL Traditional DSLAM ATM • All the way ATM; Ethernet, E1, serial or FR services based on ATM LA-110 Legacy Core ATM ATM ATM Traditional DSLAM with Ethernet Uplink • Ethernet and legacy services over PSN using PWE • IAD to DSLAM segment based on ATM http://www.cbnetworks.fr - [email protected] LA-110 ATM PSN Core Ethernet, IP, MPLS Ethernet Ethernet and Legacy Access over DSL for TS2008 Slide 15 LA-110 Interfaces & WAN Protocols 10/100BaseT interface Bridge Router E1/T1 ports (ATM or TDM) Control port Serial data interface (V.35, X.21) WAN Interfaces SHDSL ADSL E1 • 1,2 pairs or 4 pairs (IMA) • ITU-T G.992 Annex A • ATM UNI • Line coding:PAM16 • Line coding:Full DMT • G.703, G.704 • Data rates up to 2.3 Mbps (2W) • Line rate: 8/1 Mbps • Line rate: 2.048 Mbps • Data rates up to 4.6 Mbps (4W) • Chipset: Connexant • Date rates up to 9.2 Mbps (IMA) http://www.cbnetworks.fr - [email protected] Ethernet and Legacy Access over DSL for TS2008 Slide 16 http://www.cbnetworks.fr - [email protected] Ethernet and Legacy Access over DSL for TS2008 Slide 17 Leased Line & LAN Services over ATM PBX Site A Site B E1 Router LAN E1 LA-110 V.35 PBX DSLAM DSLAM SHDSL ATM ETH 4*SHDSL LA-110/IMA V.35 ETH Router LAN • Leased Line/CES Applications • Serial (V.35/X.21) bit stream over ATM • Unframed E1 over ATM • Fractional E1/T1 over ATM • E1/T1 to serial bit stream • E1 UNI connection over ATM • LAN Operating modes: • Routing (Including Firewall, NAT DHCP) • Bridging (Including full VLAN support) http://www.cbnetworks.fr - [email protected] Ethernet and Legacy Access over DSL for TS2008 Slide 18 Frame Relay Services over ATM FRF.5 Central Office Branch Office DSLAM LAN FRAD DSLAM LAN LA-110 LA-110 V.35/X.21 FRAD V.35/X.21 ATM Frame Relay FRF.8 Customer A Customer B DSLAM FRAD FRAD LA-110 FR http://www.cbnetworks.fr - [email protected] ATM ATM Ethernet and Legacy Access over DSL for TS2008 Slide 19 LA-110 version 3.5 New Features IPDSLAM Ethernet LA PSN Core Ethernet, IP, MPLS ATM • Support for Pseudowire for legacy service emulation over PacketSwitched Networks using IPDSLAMs • • • • Ethernet Supported Services: • Leased lines using TDM pseudowire • PSTN access using TDM pseudowire • Cellular backhaul using ATM and TDM pseudowire • Frame Relay using HDLC or Frame Relay pseudowire Pseudowire standards • TDM – CESoPSN, TDMoIP and SAToP • ATM – ATMoPSN • HDLC – HDLCoPSN • FR – FRoPSN Clocking based on NTR Full SNMP agent allows RV-EMS or any standard management station to manage the device http://www.cbnetworks.fr - [email protected] Ethernet and Legacy Access over DSL for TS2008 Slide 20 Leased Line over Packet Switched Networks Customer Premises Customer Premises PBX PBX IPDSLAM E1 LA-110 SHDSL IPDSLAM PSN Eth/IP/MPLS LA-110 E1 SHDSL ETH ETH GbE TDMoIP Gateway IPmux Gmux TDM CO/POP • CESoPSN or TDMoIP tunneling solution (PWE) • On the receive side the jitter buffer stores the payload prior to play-out to the local TDM attachment circuit • The size of the buffer is locally configured to accommodate the PSN-specific packet delay variation • Clock recovery is based on NTR http://www.cbnetworks.fr - [email protected] Ethernet and Legacy Access over DSL for TS2008 Slide 21 ETH & Legacy Over DSL ASMi-54 Fast Ethernet n x SHDSL ASMi-54 Fast Ethernet Node-B RNC PSN Eth/IP/MPLS GbE n x SHDSL GbE LA-210 Fast Ethernet Node-B IPDSLAM Customer Premises Customer Premises PBX PBX IPDSLAM E1 LA-110 SHDSL IPDSLAM PSN Eth/IP/MPLS ETH LA-110 E1 SHDSL ETH GbE TDMoIP Gateway IPmux Gmux TDM CO/POP http://www.cbnetworks.fr - [email protected] Ethernet and Legacy Access over DSL for TS2008 Slide 22 Evolution of Ethernet and Legacy Service Delivery over DSL Traditional DSLAM ATM • All the way ATM; Ethernet, E1, serial or FR services based on ATM LA-110 Legacy Core ATM ATM ATM Traditional DSLAM with Ethernet Uplink • Ethernet and legacy services over PSN using PWE LA-110 PSN Core Ethernet, IP, MPLS • IAD to DSLAM segment based on ATM • All the way PSN, Ethernet and legacy services using PWE • IAD to DSLAM segment based on Ethernet (EFM) http://www.cbnetworks.fr - [email protected] ATM Ethernet IPDSLAM Ethernet IPDSLAM LA-210 PSN Core Ethernet, IP, MPLS Ethernet (EFM) Ethernet Ethernet and Legacy Access over DSL for TS2008 Slide 23 LA-210 Introduction • G.SHDSL.bis EFM Ethernet Access device supporting rates of: • 2wire – 5.7Mbps • 4wire – 11.4Mbps • 8wire – 22.8Mbps • MEF certification • MEF-9 Test suite for services at the UNI • MEF-14 Test suite for Traffic Management Serial data interface Up to 4 Fast Ethernet (X.21, V.35) E1/T1 ports Control port http://www.cbnetworks.fr - [email protected] WAN interfaces • SHDSL EFM (1,2 or 4 pairs) • SHDSL ATM (1 or 2 pairs) Ethernet and Legacy Access over DSL for TS2008 Slide 24 MEF Services Terminology Ethernet Private Line (EPLAN) Ethernet Private Line (EPL) CE CE UNI Port Based Port Based NNI *UNI *NNI UNI UNI UNI Carrier Ethernet Network CE ISP POP UNI Internet CE ISP POP UNI UNI UNI UNI Point-to-Point EVC CE CE Ethernet Virtual Private Line (EVPL) Service Multiplexed Ethernet UNI Ethernet Virtual Private Line (EVPLAN) Service Multiplexed Ethernet UNI CE CE Service Based Service Based NNI NNI UNI UNI Carrier Ethernet Network CE UNI CE UNI UNI CE Multipoint-to-Multipoint EVC http://www.cbnetworks.fr - [email protected] UNI CE Ethernet and Legacy Access over DSL for TS2008 Slide 25 LA-210 Working Modes • LA-210 is designed to deliver business-class Ethernet services, using two operational modes: • Bridge mode • VLAN aware/unaware • VLAN stacking • Supports 64 VLANs out of full range (1-4095) • Static/Dynamic MAC learning with aging • 1K of MAC entries • Flows – customer traffic is mapped to the Ethernet flows (EVCs) using the following: • Port-based • Customer VLAN ID • Customer VLAN priority • DSCP • IP Precedence http://www.cbnetworks.fr - [email protected] Ethernet and Legacy Access over DSL for TS2008 Slide 26 LA-210 Flow Based Forwarding Model p.bit CoS/Service UNI Up to 8 flows 7 7 Flow 2 6 6 Flow 1 (EVC 1) CE-VLAN : 555 p.bit 7 777 p.bit 4 5 5 4 4 3 3 2 2 1 1 6-7 4 ST/WFQ 0 0 4-5 3 ST/WFQ 2-3 2 ST/WFQ 0-1 1 ST/WFQ Classification by Flow Key per port Flow 1 (EVC 1) CE-VLAN= 1 CoS per Flow Flow 1 = CoS 3 Step 1–Flow Classification: Step 2–Flow Mapping: Step 3–Assigning CoS: 1. VLAN ID Defines members per 1. Fixed per Flow 2. P.Bit flow 2. CoS per Service 3. DSCP 4. IP-Precedence http://www.cbnetworks.fr - [email protected] NNI Policer per CoS CoS 7=BW profile5 Policer per CoS CoS 4=BW profile3 CoS mng Policer per CoS By CoS CoS 3=BW profile 1 Step 4–Assigning BW Profile: 1. CIR/EIR 2. CBS/EBS Queues ST/WFQ 5 Step 5–Queues & Rate Limit: 1. Strict or WFQ 2. Rate Limit per Q/SHDSL Port Editing Adding SP-VLAN Marking CE-P.bit SP-P.bit Step 6– Editing & Marking: 1. Editing=Adding SPVLAN 2. Marking=Adding SP-P.Bit Ethernet and Legacy Access over DSL for TS2008 Slide 27 OAM 802.3ah (Access Link ME) Customer Premises CPE Customer Premises LA-210 LA-210 Operator B CPE Operator A End-to-End OAM 802.1ag/Y.1731 Fault monitoring and performance measurement ITU-T Y.1731 • Defined per service End-to-End End-to-end OAM based on IEEE 802.1ag • Initiate Single segment (link) OAM according to IEEE 802.3ah for remote management and fault indication • Passive Mode http://www.cbnetworks.fr - [email protected] Ethernet and Legacy Access over DSL for TS2008 Slide 28 OAM: 802.3ah-Link 802.3ah (Access Link ME) Customer Premises CPE Customer Premises LA-210 LA-210 Operator B CPE Operator A • Information • Auto-discovery, Heartbeat (1/second) • Event notification • Reporting statistics • Variable request & response • Querying MIB variables EFM OAM Format • Loopback control • Intrusive loopback • Organization specific http://www.cbnetworks.fr - [email protected] Ethernet and Legacy Access over DSL for TS2008 Slide 29 OAM: 802.1ag-Connectivity • 8 OAM levels • MEP/MIP/MEG concept • Main messages: • CC • LB • LT MEP = Maintenance-End-Point MIP = Maintenance-Intermediate-Point MEG = Maintenance Entity Group Service OAM header Service OAM MEPs and MIPs http://www.cbnetworks.fr - [email protected] Ethernet and Legacy Access over DSL for TS2008 Slide 30 Summary SDH/ SONET n x E1/T1 CP POP PBX LRS-102/MP-4100 ASMi-54/LRS-102: ASMi-54 E1 SHDSL.bis ETH IP/MPLS n x FETH PBX Site A Site B E1 LA Family: Router LAN PBX E1 LA-110 V.35 DSLAM DSLAM SHDSL 4*SHDSL ATM ETH LA-110/IMA V.35 ETH Router LAN IPDSLAM Ethernet LA-210: LA-210 Ethernet (EFM) http://www.cbnetworks.fr - [email protected] PSN Core Ethernet, IP, MPLS Ethernet Ethernet and Legacy Access over DSL for TS2008 Slide 31 Thank you for your attention • Technical Support • [email protected] • http://www.cbnetworks.fr http://www.cbnetworks.fr - [email protected] Ethernet and Legacy Access over DSL for TS2008 Slide 33 http://www.cbnetworks.fr - [email protected] Ethernet and Legacy Access over DSL for TS2008 Slide 34 ASMi-54 Road Map Phase number Product Phase 1.0 ASMi-54 with four ETH ports Phase 2.0 ASMi-54 with additional E1/T1 port Phase 2.5 ASMi-54 Daisy chain and multipoint application support TBD Phase 1.0 ASMi-54 card into MP-4100/LRS-102 ASMi-54 card, 16W, with 8E1 and 2ETH ports Q3/08 Phase 1.1 ASMi-54 card with power feeding support http://www.cbnetworks.fr - [email protected] Main Description Beta Release Notes ETH services over 2W, 4W, 8W Status – officially released! Without RADview support • E1/T1 and ETH over 2W,4W,8W • Interoperability opposite SHDSL repeaters Dual slot card Q2/08 Q4/08 RADview support Including remote power feeding support –120vdc Ethernet and Legacy Access over DSL for TS2008 Slide 35 LA-110 Road Map Date Main Features Version 3.5 In Beta • PW support • SNMP Access Network ATM PSN • ADSL2+ – E1 Q4/2007 Version 4.6 New HW – Data port • SHDSL (bis) ATM up to 2 pairs • 4 Ethernet ports • Adaptive clock • SHDSL EFM ready http://www.cbnetworks.fr - [email protected] ATM PSN Ethernet and Legacy Access over DSL for TS2008 Slide 36 LA-210 Road Map Date Main Features Version 1.0 Testing version Available now • SHDSL (bis) EFM up to 4 pairs • Ethernet services • 4 Ethernet ports PSN Early Q2/08 Version 1.5 • Ethernet OAM • Enhanced QoS • SHDSL (bis) ATM up to 2 pairs • EVC support (EVPL) • HW PW ready PSN ATM Q2/2008 Version 2.5 Beta • TDM PW • Adaptive clock recovery • Standard PM per Y.1731 • SNMPv3 PSN ATM Q4/2008 (preliminary) Version 2.6 • Based on version 2.5 feature-set • NTR • VDSL2 bonding (not finalized yet) PSN (Beta) http://www.cbnetworks.fr - [email protected] Access Network Ethernet and Legacy Access over DSL for TS2008 Slide 37 LA-210 Road Map Date • Q1/2009 • Version 3.0 Beta Main Features • • • • • • CLI Per EVC Shaping Hierarchical scheduling ACL with filter, drop, rate limit per IP range, Ethertype, MAC address Limit number of MAC OAM Enhancements: • IEEE OAM MIP – pending • MEF SOAM Probe pending standardization http://www.cbnetworks.fr - [email protected] Access Network • PSN • ATM Ethernet and Legacy Access over DSL for TS2008 Slide 38 http://www.cbnetworks.fr - [email protected] Ethernet and Legacy Access over DSL for TS2008 Slide 39 Ethernet Access over DSL-LA Option LA-210/SHDSL LA-110/SHDSL Network Link • SHDSL up to 4 pairs (EFM bonded) • One pair of VDSL2 • SHDSL 2/4W Services • 1/4 Ethernet ports *1 E1/T1 port (TDM) *1 serial port (TDM/HDLC) • 1 E1/T1 port (ATM/TDM) • 1 serial port • HDLC • TDM • FR Access Network PSN ATM and PSN • 4 voice ports (VoDSL) *1/4 Ethernet port LA-110/SHDSL/IMA • SHDSL 4 pairs with IMA • 1 E1/T1 port (ATM/TDM) • 1 serial port • HDLC • TDM • FR ATM and PSN • 1 Ethernet port LA-110/ADSL • ADSL • ADSL2+* • 1 E1/T1 port (ATM/TDM) • 4 voice ports (VoDSL) *1 serial port • TDM • FR ATM and PSN *1/4 Ethernet port http://www.cbnetworks.fr - [email protected] Ethernet and Legacy Access over DSL for TS2008 Slide 40 http://www.cbnetworks.fr - [email protected] Ethernet and Legacy Access over DSL for TS2008 Slide 41 LA-210 Flow Based Forwarding Model p.bit CoS/Service UNI Up to 8 flows 7 7 Flow 2 6 6 Flow 1 (EVC 1) CE-VLAN : 555 p.bit 7 777 p.bit 4 5 5 4 4 3 3 2 2 1 1 6-7 4 ST/WFQ 0 0 4-5 3 ST/WFQ 2-3 2 ST/WFQ 0-1 1 ST/WFQ Classification by Flow Key per port Flow 1 (EVC 1) CE-VLAN= 1 Step 1 – Flow Classification Step 2 – Flow Mapping: Defines VLAN members per flow CoS per Flow Flow 1 = CoS 3 Step 3 – Assigning Fixed CoS per Flow/CoS per P.bit http://www.cbnetworks.fr - [email protected] NNI Policer per CoS CoS 7=BW profile5 Policer per CoS CoS 4=BW profile3 CoS mng Policer per CoS By CoS CoS 3=BW profile 1 Step 4 – Policer Per CoS: Define the CIR/EIR/ CBS/EBS Bw criteria per CoS Queues ST/WFQ 5 Step 5 – Configuring Strict or WFQ priority, according to user configured profiles. Note Priority Queues are fixed to CoS. Editing Adding SP-VLAN Marking CE-P.bit SP-P.bit Step 6 – P. Bit priority marking: Adding the P.bit to the SP-Vlan, according to user configured profiles. Ethernet and Legacy Access over DSL for TS2008 Slide 42 Mapping User Traffic to Services • On user ingress – traffic is mapped to Service by one of the following criteria: • P.Bit • VLAN ID • IP Precedence • DSCP Layer 3 Frame Structure Layer 2 Frame Structure 1 2 3 4 5 6 7 8 IP Precedence C-Priority Bit C-VLAN ID http://www.cbnetworks.fr - [email protected] DSCP Ethernet and Legacy Access over DSL for TS2008 Slide 43 CoS/Services Mapping CoS Mapping criteria: CoS/Services VID’s + P.bit: 10 / 5 15 / 3 • P.Bit 5 7 6 3 4 CoS/Services • VLAN ID UNI EVC1 EVC1 7 6 EVC2 EVC2 4 VID6 VID7 2 1 0 EVC3 VID6 VID7 0 Layer 3 Frame Structure CoS/Services 7 • IP Precedence/DSCP 1 2 3 IP Precedence 4 5 6 7 8 38 3 22 0 DSCP http://www.cbnetworks.fr - [email protected] Ethernet and Legacy Access over DSL for TS2008 Slide 44 Policer Per Service/Flow Bandwidth Control • Traffic policing per ingress Service • Dual Token Bucket mechanism (CIR+CBS, EIR+EBS) per policer • 2 rate (CIR/EIR), 3 color (Green/Yellow/Red) marking: • Green:0 to CIR – always ‘respected’ • Yellow: between CIR to EIR – Will be respected until the queue reaches a predefine threshold, then it will discarded • Red: above EIR – always discarded EVC1 CoS 7 UNI EVC2 EVC3 http://www.cbnetworks.fr - [email protected] EVC2 CoS 4 CoS 1 Ethernet and Legacy Access over DSL for TS2008 Slide 45 Queues/Egress Rate Limit/Scheduler • MNG Traffic Always get the Highest Queue • 4 Queues on the Egress (4th Q has the Highest Priority) • Each Queue can be configured as Strict/Weighted Fair Queue (100 Weights) • Egress Rate Limit per Queue/Port (DSL) • Scheduling: • Strict on Top of WFQ • WFQ (Weight of Q) ÷ (Weight of all Q) 4 MNG 3 Strict 2 WFQ=40 • Example: Queue #2 40 ÷ 80 = ½ Queue #1 30 ÷ 80 = 3/8 Queue #0 10 ÷ 80 = 1/8 http://www.cbnetworks.fr - [email protected] Rate Limitation /Shaping Scheduling 1 WFQ=30 0 WFQ=10 Ethernet and Legacy Access over DSL for TS2008 Slide 46 Editing And Marking • Editing the SP-VLAN ID towards the network • Stack • None • Marking the Flow Priority on the Egress according to: • P.Bit (802.1p) • IP Precedence • DSCP Editing And Marking VID’s: 10,15,20-30 SP-100 P.Bit 7 Network Editing And Marking http://www.cbnetworks.fr - [email protected] Unclassified SP-200 P.Bit 3 Ethernet and Legacy Access over DSL for TS2008 Slide 47 http://www.cbnetworks.fr - [email protected] Ethernet and Legacy Access over DSL for TS2008 Slide 48 Continuity Check (CC) OAM Customer Premises CPE Customer Premises E-NTU E-NTU Operator B CPE Operator A CC Sink CC Source CC OAM Frames • CC OAM Defined per EVC, allows for one-way connectivity monitoring • Loss of Continuity (LOC) is declared (only at the sink side) upon 3.5 seconds without receiving CC OAM frame • Loss of Continuity (LOC) is cleared upon sink receiving 2 CC OAM frames within a window of 3.5 seconds • Upon CC failure • Send trap • Update active alarm log • Update statistics • Optional uplink switch-over http://www.cbnetworks.fr - [email protected] Ethernet and Legacy Access over DSL for TS2008 Slide 49 Loopback (LB) OAM Customer Premises CPE Customer Premises E-NTU E-NTU Operator B CPE Operator A LB OAM Request LB OAM Reply • Defined per EVC, allows for non-intrusive loopback (round trip) connectivity monitoring • Sent from MEP, looped by either MEP or MIP • LB Failure is declared upon 2 seconds without receiving the specific LB OAM frame • Upon LB failure • Send trap • Update active alarm log • Update statistics • Optional uplink switch-over Service OAM MEPs and MIPs http://www.cbnetworks.fr - [email protected] Ethernet and Legacy Access over DSL for TS2008 Slide 50 Diagnostic Loopbacks • Layer 1 Loopback – loopbacks traffic from Rx to Tx • Out of service – disrupts service • Cannot traverse Ethernet bridge Tester • Performed on all traffic No Layer L2 Loopback • Loopback activation is via management not OAM protocol • Layer 2 Loopback – loopbacks traffic and swaps MAC Addresses • Replaces Source Address with Destination Address • Can traverse Ethernet bridges • Performed per VLAN (or EVC) http://www.cbnetworks.fr - [email protected] ETX Tester With Layer L2 Loopback Ethernet and Legacy Access over DSL for TS2008 Slide 51 Link Trace (LT) OAM Customer Premises CPE E-NTU Customer Premises Operator B Operator A E-NTU CPE LT Req LT Rep • Once a problem detected with CC or LB than LT can be used to pin point where the problem is • OAM is sent to the final MAC address and all nodes in the path that receive the LT request send back LT response, this way the failure point is found • Can be used also the resolve disputes when more than 1 network is used http://www.cbnetworks.fr - [email protected] Ethernet and Legacy Access over DSL for TS2008 Slide 52