The benefits of end to-end ethernet service management

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The growth in popularity of Business Ethernet services is closely linked to the level of maturity Ethernet technology has reached, enabling carriers to deliver and audit hard service level agreement (SLA) guarantees that satisfy exacting requirements from enterprise users. The following presentation shows the benefits of end-to-end service management to ensure customer SLA and better system maintenance

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The benefits of end to-end ethernet service management

  1. 1. Carrier Ethernet Network Solutions:The Benefits of End-To-End EthernetService ManagementApril 2011Ron AgamHead of Product Management &Business DevelopmentRAD Data CommunicationsCarrier Ethernet Network Solutions: The Benefits of End-To-End Ethernet Service Management Slide 1
  2. 2. Differentiate at CustomerTouch-points – Service Life Cycle Fault Service On-going Turn-up Monitoring Management & Recovery “When“Before I start “While It’s something is not paying” working” working…” Source: E&Y 2010 Carrier Ethernet Network Solutions: The Benefits of End-To-End Ethernet Service Management Slide 2
  3. 3. Reliability of L2 Services HW Based OAM mechanism Hardware SoftwareFeature HW Based OAM Benefits OAM OAM Significantly increases number ofScalability √ X local and remote MEPsRapid detection of connectivity failure √ X Fast failure restoration <50msecAccurate frame delay & frame delay Provide accurate DV/FDV √ Xvariation measurements Monitor multiple concurrent flowsMulti-Flow monitoring √ X simultaneously Allow line rate loopback for all MTULoopback at line rate √ X sizes, support PRBS stringAccurate frame loss measurements √ X Detect even a single frame loss Carrier Ethernet Network Solutions: The Benefits of End-To-End Ethernet Service Management Slide 3
  4. 4. Fault ManagementIsolation with Layer 2/3 loopback “Send a packet with “Loopback packets which VID 100 and IP SA have VID 100 & IP SA 117.155.160.13 12 and 117.155.160.13 + perform wait for a reply IP & MAC swap” NetworkTester Carrier Ethernet NID ETX-204A• Supports L2 or L3 loopbacks up to line rate• Can be used for throughput testing across routed/switched networks.• Flexible loopback criteria: – SrcDst MAC, Src/dst IP, VLAN, p bit, DSCP, etc. – Vlan+Mac, VLAN + IP, Vlan+Pbit, etc.• Non-Intrusive loopback on a dedicated flow – always “on” , with no need to configure the remote NTU• Ability to loopback many flows simultaneously (on both user & network sides) Carrier Ethernet Network Solutions: The Benefits of End-To-End Ethernet Service Management Slide 4
  5. 5. Performance Mgt. Accuracy Delay Measurement Branch A Headquarters Real Time PE UNI EVC Priority Data Real Time Best Effort PEPriority Data EVC 1 PSN Best Effort EVC 2 Branch B IP DSLAM Real Time Real Time EVC Priority DataPriority Data Best Effort Best Effort UNI SW Based OAM Example Summary of available Ethernet OAM mechanisms CPU reaction time: 1ms, variance of Fault Propagation OAM Technology End-End/Last Performance Type 2ms Segment Monitoring Delay accuracy of 2ms - typical SLA at 1ms IEEE 802.3-2005 Single Segment No Link No (formerly 802.3ah) IEEE 802.1ag HW based OAM: ANo End-to-End few micro seconds No Connectivity ITU-T Y.1731 End-to-End Yes Service Yes Carrier Ethernet Network Solutions: The Benefits of End-To-End Ethernet Service Management Slide 5
  6. 6. Performance Mgt. Accuracy Frame Loss Ratio Branch A Headquarters Real Time PE UNI EVC Priority Data Real Time Best Effort PEPriority Data EVC 1 PSN Best Effort EVC 2 Branch B IP DSLAM Real Time Real Time EVC Priority DataPriority Data Best Effort Best Effort UNI Synthetic Based OAM Example Summary of available Ethernet OAM mechanisms- 20Mbps service,Segment frame size results in ~1600Fault Propagation OAM Technology 1500 End-End/Last Performance Monitoring Type PPS-Approx. 0.01% packet loss and No IEEE 802.3-2005 Single Segment required +/-0.1% error No Link (formerly 802.3ah) 70 daysEnd-to-End IEEE 802.1ag of measurements are required No No Connectivity Non-synthetic, HW Based Yes ITU-T Y.1731 End-to-End mechanism is immediate Service Yes Carrier Ethernet Network Solutions: The Benefits of End-To-End Ethernet Service Management Slide 6
  7. 7. On-demand Throughput Testing Branch A Traffic Generation Headquarters Real Time PE ETX UNI EVC Priority Data Real Time Best Effort• Priority Data Line Rate Traffic Generator ETX EVC 1 PE• Concurrent Multiple2CoS Best Effort EVC PSN Branch B• L2 path as the service IP DSLAM Real Time ETX• Data integrity testing - PRBS Real Time EVC Priority Data Priority Data Best Effort Best Effort UNI • Create a “birth certificate” at service turn-up • Provide customer with report before service starts • Confirm troubleshooting has succeeded • Period testing for: Preventive maintenance & capacity planning Carrier Ethernet Network Solutions: The Benefits of End-To-End Ethernet Service Management Slide 7
  8. 8. Differentiate at Customer Touch-Points – Service Life Cycle Service On-going Fault Management Turn-up Monitoring & Recovery Connectivity Performance Fault Detection & Verification Monitoring Isolation• Ethernet OAM - 802.1ag • Ethernet OAM – Y.1731 • Ethernet OAM – 802.1ag • Continuity Check • Frame Delay, Frame Delay, Frame • Continuity Check • MAC Ping Loss • Loopback • Service availability (G.826) • Link Trace Diagnostic SLA Threshold Fault Propagation Loopbacks Reporting & Notification• Loopbacks • Defining SLA objectives and proactively • Ethernet OAM – Y.1731 • L1 physical interface loopback notified when crossed • Per EVC ‘Forward’ and ‘Backward ’ • L2/L3 Loopback per flow with • Alarms and traps on management Alarm Propagation (AIS and RDI) MAC/IP swap (up to line rate) system • Dying Gasp indication to active - 802.3ah • Per port Alarm Propagation SLA Verification Statistics Collection Resiliency & Testing Reporting Repair• RFC-2544 based tests • Collecting SLA statistics • Linear Protection ( “EVC Protection”) - G.8031 • Throughput, Loss and Delay tests • Statistics collection via SNMP or FTP • Ethernet Ring Protection - G.8032 • Data integrity tests (BERT) • port protection based on Link Aggregation - • Statistics can be used to generate 802.3 (formerly 802.3ad) • Delay Measurement SLA reports Managing the Service life cycle is essential to control the OpEx Carrier Ethernet Network Solutions: The Benefits of End-To-End Ethernet Service Management Slide 8
  9. 9. Tier 1 operator, USA Services: Retail, Wholesales and Mobile Backhaul.• 3rd telecom provider in the US• EPL and EVPL Services, wholesale Carrier Ethernet Network Solutions: The Benefits of End-To-End Ethernet Service Management Slide 9
  10. 10. Tier 1 Operator - Europe Carrier Ethernet Network Solutions: The Benefits of End-To-End Ethernet Service Management Slide 10
  11. 11. About RAD Data CommunicationsCarriers &Service Providers • International vendor of leading access and backhaul products • Solutions for carriers, service providers and enterprise customers • A wealth of over 160 product lines • Established in 1981 and privately owned • Part of the RAD group, 4000 employees with $1B turnover in 2010Mobile Operators Transportation Utilities Carrier Ethernet Network Solutions: The Benefits of End-To-End Ethernet Service Management Slide 11
  12. 12. Thank YouFor YourAttention www.rad.com Carrier Ethernet Network Solutions: The Benefits of End-To-End Ethernet Service Management Slide 12

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