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  • # Calix Proprietary and Confidential

    The information contained in this presentation is not a commitment, promise, or legal obligation to deliver any material, code, or functionality. The development, release, and timing of any features or functionality described for our products remain at our sole discretion.

    Metro Ethernet 101

    July 15, 2014

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    Agenda

    Overview CE 2.0 Basics Metro Ethernet and Mobile Networks Metro Ethernet Designs Q&A

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    Carrier Ethernet Defined

    The MEF has defined Carrier Ethernet as A ubiquitous, standardized,carrier-class Service and Network defined by five attributes that distinguish it from familiar LAN based Ethernet

    Carrier Ethernet is often referred to in Enterprise circles as Ethernet Business Services. The MEF is the industrys defining body for Carrier Ethernet.

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    Typical MEF ServicesSubscriber View

    Principal Applications Site-to-site access, Internet access, server consolidation, business continuity/disaster recovery, Enterprise-class cloud-based applications, XaaS, distributed imaging, CRM, manufacturing, distributed storage area networks VoIP, streamed/interactive video, L2-VPNs, virtualization,

    Top Market Sectors Finance, Healthcare, Education, Government, IT, Retail, Real Estate, Legal, Media, etc

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    Carrier Ethernet Basics

    Key Carrier Ethernet Terminology EVC: Ethernet Virtual Connection UNI: User Network Interface: the physical demarcation point

    between the responsibility of the Service Provider and the responsibility of the Subscriber

    ENNI: External Network to Network Interface: the physical demarcation point between the responsibility of the two Service Providers

    Service Provider 1

    Carrier Ethernet Network

    UNI

    End User Subscriber Headquarters

    UNIENNI Service Provider 2

    End User Subscriber

    Branch Site

    Ethernet Virtual Connection

    Carrier Ethernet Network

    UNI

    Hosted ApplicationsInternet

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    Carrier Ethernet Service Types

    UNI

    Multi-point to Multi-point EVC

    UNI UNI

    E-LAN Multipoint L2 VPNs Transparent LAN Service Multicast Networks

    UNI Point-to-Point EVC

    UNI

    E-Line Virtual Private Lines (EVPL) Ethernet Private Lines (EPL) Ethernet Internet Access

    UNI

    UNI UNI

    Rooted Multipoint EVC

    E-Tree Rooted Multi-Point L2 VPNs Traffic Segregation EP-Tree, EVP-Tree ENNI

    UNIPoint-to-Point EVC

    UNI Carrier Ethernet Access Network

    Carrier Ethernet Service Provider E-Access

    E- Access Wholesale Access Services Access EPL Access EVPL

    4 Port-Based services, 4 VLAN Aware Services

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    Ethernet Private Line (EPL)

    !Replaces a TDM Private line Port-based service with single service (EVC) across dedicated UNIs providing site-to-site connectivity Typically delivered over SDH (Ethernet over SDH) Most popular Ethernet service due to its simplicity

    Services Using E-Line Service Type

    Point-to-Point EVCs

    Carrier Ethernet Network Storage Service Provider

    UNI UNI

    CE

    CE

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    Ethernet Virtual Private Line (EVPL) !Replaces a Frame Relay or ATM Layer 2 VPN services Enables multiple services (EVCs) delivered over single physical connection (UNI) to customer premises Optimizes use of BW and ports with CoS Supports hub & spoke connectivity via service multiplexed UNI at hub site

    Services Using E-Line Service Type

    Service Multiplexed

    Ethernet UNI

    Point-to-Point EVCs

    Carrier Ethernet Network

    UNI

    UNI

    CE

    CE

    CE

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    Ethernet Private LAN Port-Based Each UNI is dedicated to the EP-LAN service Example use: Transparent LAN

    Services Using E-LAN Service Type

    Multipoint-to-Multipoint EVC

    CE

    UNI

    UNI

    UNI

    CE

    CE

    EP-LAN

    Multipoint-to-Multipoint EVC

    Point-to-Point EVC (EVPL)

    ISP POPInternet

    UNI

    UNICE

    CE

    UNIUNI

    CE

    CE

    EVP-LAN

    Ethernet Virtual Private LAN VLAN-Aware Service Multiplexing allowed at UNI Example use : Internet access and corporate VPN via one UNI

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    Services Using E-Tree Service Type

    Leaf

    Leaf

    Leaf

    Rooted-Multipoint EVC

    EP-Tree

    Root

    Ethernet Private Tree and Ethernet Virtual Private Tree Allow root-root and root-leaf communication (but not leaf-leaf) Provide traffic segregation for cloud or franchise networks EP-Tree requires dedication of UNIs to the single EP-Tree service EVP-Tree each UNI can support multiple simultaneous services

    Root

    Rooted-Multipoint EVCMultipoint toMultipoint EVC

    UNI

    CE

    UNI

    UNI

    CE

    UNICE

    EVP-Tree

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    Access Network View

    What is the UNI? (User-to-Network Interface) Services are attached to the UNI Per-service QoS is applied at the UNI Security is enforced at the UNI Network management starts at the UNI Layer 2 application awareness is gathered at the UNI

    UNI

    Internet / Public Cloud Services

    Private Cloud Services

    UNI

    UNI

    Regional Network Access NetworkAccess Network

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    What is a service? MEF View

    A service is the connection with attributes between 2 or more UNIs Point-to-point or multipoint-to-multipoint (everything else is a derivative)

    Service Multiplexing allowed at UNI Example use: Internet access and corporate VPN via one UNI Every connection has an independent, service-specific SLA level

    Private Cloud Services Example: Access to enterprise-grade business systems Secure, predictable, controlled, regulatory compliant

    UNI

    Internet / Public Cloud Services

    Private Cloud Services

    UNI

    UNI

    Multipoint-to-Multipoint EVC (EVPLAN)

    Point-to-Point EVC (EVPL)

    Point-to-Point EVC (EVPL)

    Carrier Ethernet Network

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    E-Access / Wholesale Services

    WHY? Greatly simplifies buying & selling of wholesale Ethernet, delivery of off-net services Key for local, regional and global adoption of Carrier Ethernet

    ENNI

    Wholesale Access Network

    UNI

    Internet / Public Cloud Services

    Private Cloud Services

    UNI

    UNI

    Ethernet Virtual Connection (EVC)

    Retail Service Provider Owns the customer relationship and

    responsible for EVC performance

    Access Service Provider Provides wholesale access to

    off-net customer locations

    E-Access

    New

    in CE

    2.0

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    Additional BackgroundTerminology

    CE 1.0 Original MEF Service Definition Certification of CE 1.0 is referred to as MEF 9 & 14 Certification Certification tests has many optional tests allowing a lot of variation in capabilities for those 9&14 certified

    CE 2.0 Formally announced by the MEF in 2012 Builds on CE 1.0 Builds on specifications defined in CE 1.0 timeframe but not included in 9 & 14 tests Includes a suite of tests to verify compliance

    Each topology is certified separately EP/EVP-LINE, EP/EVP-LAN, EP/EVP-TREE, and EP/EVP-ACCESS

    Test suite has few optional components Test certification is more granular, allowing less variation among certified vendors.

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    CE 2.0 Basics

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    CE 2.0 BasicsEnhancements

    Topologies are greatly enhanced from CE 1.0 !

    E-LINE and EVP-LINE Increase in MTU, enhanced egress BWP, OAM, and enhanced L2CP

    E-LAN and EVP-LAN Increase in MTU, enhanced egress BWP, OAM, and enhanced L2CP

    E-TREE and EVP-TREE Now part of CE 2.0 certification Increase in MTU, enhanced egress BWP, OAM, and enhanced L2CP

    ENNI and E-ACCESS services These topologies are all new

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    CE 2.0 BasicsUNI, BWP, and L2CP

    UNI 2.0 is now required Enhancements over UNI 1.0 include MTU, OAM, and EVC Limits

    Service classification at the UNI Essentially* unchanged from CE 1.0

    L2CP Processing Greatly enhanced MEF 6.1.1 is just L2CP

    BWP Essentially* unchanged Still per UNI, EVC or Priority per EVC Now supported on OVC endpoints on ENNI

    !!!!*There are some minor changes

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    ENNI and EP/EVP-ACCESS services added

    CE 2.0 BasicsNew: Wholesale and Retail Services

    ENNIWholesale

    Access Network

    Ethernet Virtual Connection (EVC)

    Owns the customer relationship and responsible for EVC performance

    Sells UNI to other CSP Responsible for E-ACCESS

    SLA

    E-Access

    UNIUNI

    UNI

    ENNI

    Operator Virtual Connect (OVC)

    Wholesale Service Provider Retail Service Provider

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    CE 2.0 BasicsNew

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