introduction to carrier ethernet - eantc · introduction to carrier ethernet carsten rossenhövel...
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![Page 1: Introduction To Carrier Ethernet - EANTC · Introduction To Carrier Ethernet Carsten Rossenhövel Managing Director ... MEF 7– EMS-NMS Info Model MEF 15– NE Management Req OAM](https://reader037.vdocument.in/reader037/viewer/2022102607/5b1683e87f8b9a596d8c6b5c/html5/thumbnails/1.jpg)
European Advanced Networking Test Center
Introduction To Carrier Ethernet
Carsten RossenhövelManaging Director
European Advanced Networking Test Center (EANTC AG)
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European Advanced Networking Test Center
Test and certification of network components for manufacturersProof of concept evaluation, acceptance tests and network design consultancy for service providers and large enterprisesResearch and development of test methods and analysis tools
EANTC, Berlin, Germany
The European Advanced Networking Test Center offers vendor independent network quality assurance since 1991.
About EANTC
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European Advanced Networking Test Center
What is Carrier Ethernet?
Current status of the technology
Recent and future testing
Q & A
Agenda
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European Advanced Networking Test Center
Transparent business data service on the Ethernet layerNo Internet / IP routers involved
User-Network Interface (UNI) standardized by theMetro Ethernet Forum (MEF)Point-to-point service: E-LineMultipoint service: E-LAN
UNI UNI
What is Carrier Ethernet?
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European Advanced Networking Test Center
Carrier Ethernet one of the hottest topics in wirelineand wireless backhaul networking in 2006
Carriers seek for scalable and affordable solutions for Triple Play and business layer 2 servicesMany networks are upgraded after telecom investments were delayed in the early 2000‘s“Carrier Ethernet” driven by strong marketing efforts
Carrier Ethernet Justification
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European Advanced Networking Test Center
• Carrier Ethernet is a ubiquitous, standardized, carrier-class SERVICE defined by five attributes that distinguish Carrier Ethernet from familiar LAN based Ethernet
• It brings the compelling business benefit of the Ethernet cost model to achieve significant savings
Carrier Ethernet
• Scalability
• Standardized Services
• Service Management
• Quality of Service
• Reliability
Carrier Ethernet Attributes
ContentsContents Carrier EthernetCarrier Ethernet TechnicalTechnical Future WorkFuture Work CertificationCertification MembershipMembershipMarketingMarketing
Source: Metro Ethernet Forum
Carrier Ethernet Defined
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European Advanced Networking Test Center
Residential Triple Play:Video requires huge bandwidth scalability, multicast replicationVoice requires application-specific traffic prioritization, low latency, intelligent filtersData requires queue-in-queue encapsulation, MAC address scalability
Business applications:Multipoint (E-LAN) requires suitable network serviceMulticast, QoS also used
Services And Applications
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European Advanced Networking Test Center
Wireless Backhaul
Voice gateway
Voice/VideoTelephony
HD TVTVoD, VoD
Video Source
Gaming, BusinessBackup, ERP
Internet Video Source
BusinessBroadband
E-Line andE-LAN service
Global/NationalCarrierEthernet
Global/NationalCarrierEthernet
Small/Medium Business
Metro CarrierEthernetMetro CarrierEthernet
AccessCarrierEthernet
AccessCarrierEthernet
ResidentialTriple-Play
FTTx, DSLAM, Cable Modem
Broadbandmobile data/video
Source: Metro Ethernet Forum
Carrier Ethernet Access Expansion
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European Advanced Networking Test Center
Can standardization keep pace with demand?IEEE 802.1 / 802.3 CommitteesMetro Ethernet Forum (MEF)ITU NGN Focus Group
Protocols / Services Yet To Be StandardizedProvider BridgesOperation, Administration & Maintenance (OAM)Network-Network Interface (E-NNI)
Status of Standardization
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European Advanced Networking Test Center
2006
MEF 16MEF 4
MEF 2
MEF 3
MEF 6
MEF 7
MEF 8
MEF 10
MEF 11
MEF 12
MEF 13
MEF 14
MEF 15
ELMIArchitecture
Protection
Circuit Emulation
Service Definitions
EMS-NMS
Circuit Emulation
UNI Framework
UNI-IA
Traffic Management
Management
Architecture
Service Attributes
200520042003
MEF 9Services Test Suite
Source: Metro Ethernet Forum
MEF Specifications Timeline
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European Advanced Networking Test Center
TMF814 – EMS to NMS Model
Y.1730 – Ethernet OAM ReqY.1731 – OAM MechanismsG.8031 – ProtectionY.17ethqos – QoSY.ethperf - Performance
MEF 7– EMS-NMS Info ModelMEF 15– NE Management ReqOAM Req & FrameworkOAM Protocol – Phase 1Performance Monitoring
802.3ah – EFM OAM802.1ag – CFM802.1AB - Discovery802.1ap – VLAN MIB
Ethernet OAM
-
G.8010 – Layer ArchitectureG.8021 – Equipment modelG.8010v2 – Layer ArchitectureG.8021v2 – Equipment modelY.17ethmpls - ETH-MPLS Interwork
MEF 4 – Generic ArchitectureMEF 2 – Protection Req & FrameworkMEF 11 – UNI Req & FrameworkMEF 12 - Layer Architecture
802.3 – MAC802.3ar – Congestion Management802.1D/Q – Bridges/VLAN802.17 - RPR802.1ad – Provider Bridges.1ah – Provider Backbone Bridges.1ak – Multiple Registration Protocol.1aj – Two Port MAC Relay.1AE/af – MAC / Key Security.1aq – Shortest Path Bridging
Architecture/Control
-
G.8011 – Services FramewrkG.8011.1 – EPL ServiceG.8011.2 – EVPL ServiceG.asm – Service Mgmt ArchG.smc – Service Mgmt Chnl
MEF 10 – Service AttributesMEF 3 – Circuit EmulationMEF 6 – Service DefinitionMEF 8 – PDH EmulationMEF 9 – Test SuitesMEF 14 – Test SuitesServices Phase 2
-
Ethernet Services
-TMF
G.8012 – UNI/NNIG.8012v2 – UNI/NNI
MEF 13 - UNI Type 1MEF 16 – ELMIE-NNI
802.3 – PHYs802.3as - Frame
Expansion
Ethernet Interfaces
Standards Body
ITU
MEF
IEEE
Source: Metro Ethernet Forum
Ethernet Standards Overview
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European Advanced Networking Test Center
10GbE
1000Base-PX20
10BASE-T(Cu Cat5)
MaximumBandwidth (Symmetric)
100m 500m 750m 2000m 2700m 5000m 10km 20km
2Mbps
10Mbps
100Mbps
1Gbps
10Gbps
100BASE-T(Cu Cat 5)
1000BASE-T(MMF)
1000BaseB/L/PX101000BASE-LX (SMF)
ExistingIEEE 802.3standards
ExistingIEEE 802.3standards
EFMIEEE 802.3ah
EFMIEEE 802.3ah
Minimum
Reach
100Base-L/BX10 (Single Mode Fiber)
2Base-TL(SHDSL)
10Pass-TS(VDSL)
2Base-TL(SHDSL)
Bonded Pairs
100BASE-FX(MMF)
EFM CopperEFM Fiber
Source: Actelis
Ethernet in the First Mile
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European Advanced Networking Test Center
CopperDistribution Cable
Business HQ
Branch office
ISP
Elementary School
SME Customer
Ethernet over Fiber
Router
WAN Metro Ethernet,
SONET/SDH, ATM
College
Source: Hatteras Networks
Metro Ethernet AccessCopper, Fiber and Wireless Access Complement Each Other
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European Advanced Networking Test Center
UNI UNI
Media Converter
Media Converter
Carrier Edge
Carrier Edge
Media Converter
Media Converter
IEEE 802.3ah
MEF & ITU Y.1731
Access Link OAM Access Link OAM
IEEE 802.1ag, MEF &ITU Y.1731
Connectivity Layer OAM
Service Layer OAM (UNI to UNI)
100FX 100FX
CustomerEquipment
CustomerEquipment
Carrier NW
802.1aj demarcation device
802.1aj demarcation device
Source: Adva Optical
Ethernet OAM Standards
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European Advanced Networking Test Center
• OAM – Operation Administration & Maintenance – tools for:• Installation• Monitoring• Fault Detection• Diagnosing Faults• Collecting Statistics
• Goal• Minimize cost of network operation / ownership• Maximize revenue – control / report of SLA
Customer PremisesCustomer Premises
EDDCPE EDD CPE
NMS
CarrierNetwork
First Mile(Access Link)
First Mile(Access Link)
Source: Metro Ethernet Forum
First Mile Ethernet OAM Features
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European Advanced Networking Test Center
Will implementations be compliant soon?Many more vendors than in the router marketDiverse markets (core, aggregation, DSLAMs, CPEs, …)Different service provider architectures
Carrier Ethernet Testing is key to increase product quality and service provider confidence
Relevance of Carrier Ethernet Testing
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European Advanced Networking Test Center
Carrier-Specific Ethernet Test Areas:L2 Scalability to many 10,000 customers in an Ethernet cloudInterfacing with core / aggregation networks (MPLS, IP)Protection and High AvailabilitySecurity (Denial of Service attacks)User-Network Interface (facing CPEs)Multicast performance both for Triple Play and business VPN
servicesService Level Management (QoS, DiffServ)Provisioning, Network Management
Current Areas of Testing
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European Advanced Networking Test Center
Naturally: Improve Multi-Vendor InteroperabilityValidate New Carrier Ethernet StandardsDemonstrate Sample Network Design
Madrid, Sept 25-29, 2006
Organized byHosted by
Multi-Vendor Interop Testing
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European Advanced Networking Test Center
Participating Vendors
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European Advanced Networking Test Center
Extensive tests conductedat EANTC in Berlin Sept 6-15Verified end-to-end interoperability under NDAWith on-site support fromall participating vendorsService provider support
(on-site)
(test plan review)
Hotstaging
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European Advanced Networking Test Center
50+ devices30 kVA power300 network links from E1 to 10GigE3 months preparation8 days of testing53 engineers3.5 tons of equipment shipped175 liters coffee
Some Figures …
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European Advanced Networking Test Center
Transport Technologies
MPLSVLAN-based EthernetProvider BridgesProvider Backbone BridgesEthernet over RPR and Wireless (RWPR)Ethernet over SDH RingsEthernet over E1Ethernet over Copper
Network Topology
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European Advanced Networking Test Center
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European Advanced Networking Test Center
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European Advanced Networking Test Center
E-Line Service PerformanceZero packet loss throughout the whole networkLess than 1 ms end-to-end frame delay (7+ GigE hops)Bandwidth Profiles widely implemented, enabling and enforcing service levels at the edge
MPLS Services 7 devices implemented point-to-point and multipoint servicesFew issues seen; mature technology
Results Highlights
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European Advanced Networking Test Center
First Ethernet OAM Multi-Vendor Tests, Worldwide
1. Physical Layer OAM (IEEE 802.3ah)
“Dying Gasp” Message
2. VLAN-based OAM (IEEE 802.1ag Draft 7)
Continuity Check
Results Highlights (2)
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European Advanced Networking Test Center
Carrier Proof of Concept TestsCarrier Ethernet architectures are complex
In fact these are “multi-service” networksCoexistence of residential / business services with guaranteedservice levels is challengingSome Ethernetproducts havean Enterpriseheritage
Successful/Failed Tests
0
10
20
30
A B C D E F G HVendors
PASS FAIL
Example: EANTC Ethernet switch proof of concept test
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European Advanced Networking Test Center
Performance TestsCarrier Ethernet imposes new scalability, performance,
security challengesTypical issues:
Cannot learn Ethernet addresses fast enoughMAC address table too smallDoes not master MAC flooding and hijacking attacksThroughput depends on % of mcast/bcast trafficQoS implementations not easy to configure, different philosophies / hardware support…
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European Advanced Networking Test Center
Carrier Ethernet has a great future because it is a service-based idea – not limited to Ethernet transport
Stringent Network-Network Interface (NNI) specifications are required to achieve performance and interoperability goals
Further scalability, protection and multicast testing required in the future
Outlook
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European Advanced Networking Test Center
Thank you for your interest!
For further information, please contact us:
EANTC AG Einsteinufer 17 D-10587 BerlinGermany
Phone: +49.30.318 05 95-0Fax: +49.30.318 05 95-10E-mail: [email protected]
www.eantc.de