Developing Ethernet Services Offerings with MEF Specifications

1. Developing Ethernet Services Offerings with MEF Specifications Dmitry Dergalov, Technical Director RAD Data Communications-Russia www.rad.ru Tel/Fax +7 (495) 231-1239/1097

2. MEF/Carrier Ethernet Scope Host applications, Consolidated Servers HD TV, TVoD, VoD, Content Providers Gaming, DR, ERP Voice/Video Telephony Internet information & Software apps Metro, National, International UNI UNI UNI UNI UNI UNI UNI UNI E-Line E-LAN E-Tree Business Services Residential Transport Mobile Backhaul

3. Delivered Over Variety of Access Media Carrier Ethernet provides consistent services delivered to users connected over the widest variety of access networks Ethernet Ethernet Direct Fiber Ethernet over Fixed Wireless COAX Direct Fiber Bonded Copper Ethernet Ethernet SONET/ SDH TDM WDM Fiber PON Fiber Ethernet Carrier 2 DS3/E3 Bonded T1/E1 Ethernet Ethernet Ethernet Ethernet Ethernet

4. Global Interconnect – Major Impact in 2010 • Rapid growth of Carrier Ethernet exchanges • 100’s service providers connecting • Local, Region, Global Interconnections • Industry building critical mass for Carrier Ethernet Global Interconnect • New Ethernet Service providers joining Carrier Ethernet community • International Carrier Ethernet network forming Carrier Ethernet Service Providers Carrier Ethernet Service Providers Carrier Ethernet Exchange UNI UNI ENNI ENNI End-User End-User ENNI Direct Connect

5. 174 Member Companies 78 Service Providers Global Representation MEF: Defining Body of Carrier Ethernet Standards Education Compliance Program Focus 2010-2011: Global Interconnect

6. Five Attributes of Carrier Ethernet Services – must support Translation of MEF EVPL, E-Line, E-LAN service types and profiles with multiple CoS Quality of Service – Service Monitoring Must support enforceable, measurable, end-to-end service (frame delay, delay variation, availability). Service Management – Process IntegrationMust support normalized process human and system for process transactions Reliability – Protection. Must provide protection: carrier class with geographical diversity Scalability – Scalability. Must support and access millions of EVCs and worldwide locations with scalable processes

7. Carrier Ethernet Terminology • UNI (User-to-Network Interface) • Physical interface/demarcation between service provider and subscriber • Service start/end point • Ethernet Virtual Connection (EVC) • An association of two or more UNIs • Three types of EVC • Point-to-Point • Multipoint-to-Multipoint • Rooted Multipoint (Point-to-Multipoint) • EVCs and Services In a Carrier Ethernet network, data is transported across Point-to-Point, Point-to-Multipoint and Multipoint-to-Multipoint EVCs according to the attributes and definitions of the E-Line and E-LAN services • NNI (Network-to-Network Interface) • Demarcation/peering point • Between service providers (NNI) • Between service provider internal networks (I-NNI) (For full presentation of Ethernet Services visit www.MetroEthernetForum.org/presentations)

8. MEF has Standardized Ethernet Services E-Line Service – used to create Ethernet Private Lines (EPL) Virtual Private Lines Ethernet Internet Access Point-to-Point EVC UNI UNI Enterprise Clients Multi-point to Multi-point EVC • E-LAN Service – used to create • Multipoint L2 VPNs • Transparent LAN Service • Multicast networks UNI UNI UNI SoHo & Residential Triple-Play • E-Tree Service – used to create • Rooted multi-point L2 VPNs • Broadcast networks • Telemetry networks UNI Rooted Multipoint EVC UNI UNI Mobile Data/Video

9. Carrier Ethernet Architecture(1) and the elements of Global Interconnect MEF implementation recommendations key to Carrier Ethernet worldwide adoption OSS/BSS Enabled by Carrier Ethernet MEF Services, ENNI, OAM, CoS, Certification App Layer Enables Carrier Ethernet Eth Layer Tran Layer

10. Carrier Ethernet Architecture (2) Ethernet Services “Eth” Layer Carrier Ethernet Network Service Provider 1 Service Provider 2 Subscriber Site Subscriber Site UNI I-NNI E-NNI I-NNI UNI CE CE Ethernet Services Layer Terminology ETH UNI-C ETH UNI-N ETH E-NNI ETH E-NNI ETH UNI-N ETH UNI-C UNI: User Network Interface, UNI-C: UNI-customer side, UNI-N network side NNI: Network to Network Interface, E-NNI: External NNI; I-NNI Internal NNI CE: Customer Equipment

11. Bandwidth Profiles & Traffic Management Bandwidth Profiles per EVC (service) and per CoS • CIR (Committed Information Rate) • CIR assured via Bandwidth Reservation and Traffic Engineering • EIR (Excess Information Rate) • EIR bandwidth is considered ‘excess’ • Traffic dropped at congestion points in the network • CBS/EBS (Committed/Excess Burst Size) • Higher burst size results in improved performance EVC-2 EVC-1 EIR EIR CIR CIR EVC-3 CIR EIR CoS 6 1Mbps CIR for VoIP • BWPs can divide bandwidth per EVC (service) over a single UNI • Multiple services over same port (UNI) • CoS markings enable the network to determine the network QoS to provide EVC1 CoS 2 6Mbps CIR for VPN data traffic 10Mbps UNI (port) UNI EVC2 3Mbps for Internet Access CIR defines the assured bandwidth EIR improves the network’s Goodput

12. Carrier Ethernet Interconnect Challenge Operators need to interconnect their Carrier Ethernet Networks UNI B2 • Current implementations • Limited in features, proprietary and/or ad-hoc • Differing feature and functionality transparency • Do not support MEF Carrier Ethernet services • Require extensive discussions between operators in order to verify each operator’s Carrier Ethernet product and operational capabilities Operator B UNI A1 UNI A2 UNI B1 Operator A UNI B3 UNI D1 UNI A3 UNI C2 Operator D Operator C UNI D3 UNI D2 UNI C1 UNI C3 Proprietary interconnect Every Interconnect arrangement is unique

13. Towards Standardized Interconnections • Standardized Carrier Ethernet ENNI Interconnect (MEF 26) • Enables operators to… • Streamline their interconnect operations • Cost effectively scale up deployment of Carrier Ethernet services • Provide wider range of services to enterprise customers • Reach new markets at lower cost UNI B2 UNI A1 UNI A2 UNI B3 Operator B Operator A Operator C Operator D UNI D3 UNI C1 UNI C3 UNI D2 Standardized interconnect

14. Carrier Ethernet Interconnect Brings Global Reach • Interconnects facilitate service delivery that span multiple operators networks • Standard Carrier Ethernet service handoffs between operators simplifies provisioning and troubleshooting across multiple networks • Reduces time to revenue by cutting lead time to deliver the service • Lowers cost to manage the service once its turned up ISP POP CE CE Service Multiplexed Ethernet UNI Carrier Ethernet Network B Internet ENNI Carrier Ethernet Network A Carrier Ethernet Network C ENNI

15. ENNI Baseline (MEF26) Simple 2-carrier Model Subscriber Sites Transit or Carrier Ethernet Exchange Model Transit Operator or Carrier Ethernet Exchange Service Provider 1Network Service Provider 2 Network UNI UNI OVC_C OVC_A ENNI ENNI OVC_B UNI UNI Operator Network Service Provider Network Subscriber Sites UNI UNI Subscriber Sites Subscriber Sites UNI UNI OVC_B OVC_A ENNI UNI UNI • External Network-to-Network Interface (ENNI) for service availability • Simple 2-carrier and multi-carrier service models • Ethernet Virtual Connection (EVC) between UNIs spread across multiple networks • Operator Virtual Connection (OVC) for each EVC segment • Key ENNI requirements • Services: p2p and mp EVC types, single and multiple CoS per EVC • Encapsulation: Standard S-Tag frame format • Scalability: 1 and 10 Gbps PHYs • ENNI Protection: 2-link LAG, active/standby, LACP UNI UNI

16. Carrier Ethernet Exchange Model • Implements MEF ENNI to enable Carrier Ethernet interconnection at strategic points • Enables multiple virtual connections over a single physical connection • Exchange presents an MEF ENNI interface to connected service providers and acts as an MEF Operator Virtual Connection (OVC) • Simplifies and lowers implementation, costs and creates scalability up and down • Enables much larger market for Ethernet Services

17. Carrier Ethernet Exchange Model Ethernet Virtual Connection (EVC) • Eliminates NxN connections, while retaining service differentiation End-User End-User UNI UNI End-User End-User Exchange OVC Carrier Ethernet Exchange Carrier Ethernet Exchange ENNI UNI UNI End-User End-User ENNI ENNI UNI UNI Service Provider’s OVC* Service Provider’s OVC* Service Provider(Access) Service Provider

18. Carrier Ethernet Scope and Reach Wireless Backhaul Bringing vastly extended scalability for business and residential users HD TV TVoD, VoD Gaming, Business Backup, ERP Voice/Video Telephony Voice Gateway Internet Video Source Video Source COPPER, FIBER, COAX and WIRELESS E-Line and E-LAN service Broadband mobile data/video Residential Triple-Play Small/Medium Business FTTx and DSLAM , Cable Modem

19. Circuit Emulation Services over Carrier Ethernet • Enables TDM Services to be transported across Carrier Ethernet network, re-creating the TDM circuit at the far end • Runs on a standard Ethernet Line Service (E-Line) Carrier Ethernet Network TDM Circuits (e.g. T1/E1 Lines) TDM Circuits (e.g. T1/E1 Lines) Circuit Emulated TDM Traffic

20. Carrier Ethernet Architecture for Cable Operators Headend Hub Business Services over Fiber (GigE) CE E-Line Internet Access UNI Home Run Fiber Analog TV Feeds E-LAN D2A Node EoCoax EoHFC EQAM A2D Video Server CE UNI Ad Insertion CMTS Switched Fiber Digital TV, VOD, Interactive TV, Gaming Optical Metro Ring Network Business Park Business Services EoDOCSIS (future) Managed Business Applications E-NNI UNI Hub EoSONET /SDH Another MSO or carrier Network Wireless Plant Extension E-Line E-LAN PON Leased T1/DS3 Voice/Video Telephony Voice gateway WDM CE EoT1/DS3 UNI CE UNI CE Greenfield Residential & Business Services

21. Related MEF Services Specifications MEF 6.1 Metro Ethernet Services Definitions Phase II Purpose Defines the Ethernet Services (EPL, EVPL, E-Line, ELAN, and E-Tree) Ethernet Services Attributes Phase 2 MEF 10.1 Purpose Defines the service attributes and parameters required to offer the services defined in MEF 6. Updated from Original MEF 10 in October 2006 Audience Appropriate for equipment vendors, service providers, and business customers, since it provides the fundamentals required to build devices and services that deliver Carrier Ethernet. For Enterprise users it gives the background to Service Level Specifications for Carrier Ethernet Services being offered by their Service Providers and helps to plan Ethernet Services as part of their overall network.

22. Buyer Benefits • Reduce operating costs • Through aggregation and inter-operability of multiple Carrier Ethernet services over a single standards-based physical connection • Reduce capital costs • Through use of logical connections instead of capital intensive physical assets (e.g. POPs, circuits, etc.) • Increase footprint and reach larger and/or new markets • Geographic (e.g. emerging markets, regional markets) • Capacity (e.g. 1 GbE, 10 GbE) • Capability to address new market segments (e.g. residential, enterprise, etc.) • Reduce time to market and improve financial benefits • Building a standardized ENNI is faster than building out proprietary infrastructure • Quicker recognition of internal SP infrastructure projects’ financial benefits • Increase business efficiencies • Lower management costs through proven inter-operability processes (ordering, implementation, operations, billing)

23. Seller Benefits • Reduce operating costs • Spreading fixed operating costs over a large number of inter-operable, standards-based virtual connections • Reduce capital costs • Faster amortization of initial investment through larger number of virtual connections • Defend footprint • By providing efficient access to seller’s footprint under seller SP commercial terms • Reduce time to market and improve financial benefits • More efficient sales distribution channel using ENNIs instead of multiple EPLs • Enables faster revenue recognition from retail customers • Increase business efficiencies • Through standardized ENNI fulfillment and repair processes

24. Summary • Implementation of Carrier Ethernet Global Interconnects worldwide with continued acceleration in 2011 and beyond • MEF Global Interconnect Program, consisting of MEF Specifications, Certification and Connect, provides a common and standard framework for the industry • Collectively, Global Interconnect exists to enable standardized and streamlined delivery of MEF-certified Carrier Ethernet services to scale locally and globally: • For end users the worldwide connection is transparent and seamless. • For service providers it unlocks new revenue opportunities: expanding the numbers of locations that can be reached economically

25. MEF Global Interconnect Summary • Totality of interconnected autonomous Carrier Ethernet networks worldwide • Enabling • Standardized and streamlined delivery of MEF-certified Carrier Ethernet services • End-to-end Class of Service, management and protection Standards Education Compliance

26. Thank you! Visit the following MEF Web sites for more details: www.MetroEthernetForum.org and www.EthernetAcademy.net