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Carrier Ethernet Services Overview

Carrier Ethernet Services Overview. Moderator: Ralph Santitoro - Turin Networks Panelists: Tony Tam - Anda Networks Dr. Sarath Kumar - Tejas Networks Umesh Kukreja - Atrica. 26 September2007. Ralph Santitoro Chair, MEF Web Marketing Committee Director of Carrier Ethernet Solutions

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Carrier Ethernet Services Overview

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  1. Carrier Ethernet ServicesOverview Moderator:Ralph Santitoro - Turin Networks Panelists: Tony Tam - Anda Networks Dr. Sarath Kumar - Tejas Networks Umesh Kukreja - Atrica 26 September2007

  2. Ralph Santitoro Chair, MEF Web Marketing Committee Director of Carrier Ethernet Solutions Turin Networks Ralph@Marcom-Services.net Dr. Sarath Kumar Group Director, Ethernet Products Group Tejas Networks sarath@india.tejasnetworks.com Umesh Kukreja Director of Product Marketing Atrica umesh_kukreja@atrica.com Tony Tam Sr. Product Line Manager Anda Networks ttam@andanetworks.com

  3. Agenda • Carrier Ethernet Terminology • User to Network Interface (UNI) • Network to Network Interface (NNI) • Ethernet Virtual Connections (EVCs) • Ethernet Service Types • Ethernet Service Definitions • E-Line Services • E-LAN Services • E-Tree Services • Ethernet Service Attributes • EVC and UNI Service Attributes • Bandwidth Profiles • Traffic Management • Ethernet Service Application Examples • Ethernet Private Line • Ethernet Virtual Private Line • E-LAN Services • E-Tree Services

  4. Service Definitions Ralph Santitoro 4

  5. Carrier Ethernet Terminology • User to Network Interface (UNI) • Physical interface/demarcation between service provider/Cable Operator/Carrier/ and subscriber • Ethernet Virtual Connection (EVC) • Logical representation of an Ethernet service as defined by the associate between 2 or more UNIs • Network to Network Interface (NNI) • Demarcation between carrier Ethernet networks operated by one or more carriers • An active project of the MEF UNI, EVC and NNI are the Fundamental Constructs of an Ethernet Service

  6. MEF Carrier Ethernet Terminology- User to Network Interface (UNI) • Physical Interface 10/100/1000Mbps or 10Gbps • The UNI is always provided by the Service Provider • MEF has defined two types of UNIs • MEF UNI Type I • A UNI compliant with MEF 13 • Manually Configurable • MEF UNI Type II • Automatically Configurable via E-LMI • Manageable via OAM Carrier Ethernet Network UNI UNI CE CE: Customer Equipment, UNI: User Network Interface. MEF certified Carrier Ethernet products

  7. MEF Carrier Ethernet Terminology- Ethernet Virtual Connection (EVC) • An Ethernet Service Instantiation • Most commonly identified via 802.1ad SVLAN-ID • Connects two or more subscriber sites (UNIs) • Can multiplex multiple EVCs on the same UNI • Three types of EVCs defined in MEF 10.1 TS • Point-to-Point • Multipoint-to-Multipoint • Rooted Multipoint (Point-to-Multipoint)

  8. MEF Ethernet Service Definition Framework • Ethernet Service Type • Categorizes the service based on its EVC type • Point-to-Point, Multipoint-to-Multipoint or Point-to-Multipoint • Ethernet Service Attributes and Parameters • Specifies the UNI and EVC requirements for each Ethernet Service Type The MEF defines Ethernet Services using this Framework

  9. E-Line Service Type used to create Ethernet Private Lines Virtual Private Lines Ethernet Internet Access E-LAN Service Type used to create Multipoint Layer 2 VPNs Transparent LAN Service Foundation for Multicast networks TLS, IPTV Carrier Ethernet: Two Service Types Using EVCs E-Line Service Type Point-to-Point EVC UNI UNI CE CE Carrier Ethernet Network E-LAN Service Type CE UNI Carrier Ethernet Network UNI Multipoint-to-Multipoint EVC CE MEF certified Carrier Ethernet products UNI: User Network Interface, CE: Customer Equipment

  10. Service Definitions Tony Tam 10

  11. Services Using E-Line Service Type • Ethernet Private Line (EPL) • Replaces a TDM Private line • Dedicated UNIs for Point-to-Point connections • Single Ethernet Virtual Connection (EVC) per UNI • The most popular Ethernet service due to its simplicity Storage Service Provider UNI CE UNI Carrier Ethernet Network UNI ISP POP Internet CE UNI Point-to-Point EVCs CE

  12. Services Using E-Line Service Type • Ethernet Virtual Private Line (EVPL) • Replaces Frame Relay or ATM services • Supports Service Multiplexed UNI • i.e., multiple EVCs per UNI • Enables multiple services to be offered over a single physical connection (UNI) to customer premise equipment Service Multiplexed Ethernet UNI UNI CE Carrier Ethernet Network UNI CE UNI CE Point-to-Point EVCs

  13. Services Using E-LAN Service Type • Ethernet Private LAN and Ethernet Virtual Private LAN Services • Supports dedicated or service-multiplexed UNIs • Supports transparent LAN services and multipoint Layer 2 VPNs UNI CE Carrier Ethernet Network UNI CE UNI CE Multipoint-to-Multipoint EVC Ethernet Private LAN example

  14. Services Using E-Tree Service Type • Ethernet Private Tree (EP-Tree) and Ethernet Virtual Private Tree (EVP-Tree) Services • Enables Point-to-Multipoint Services with less provisioning than typical hub and spoke configuration using E-Lines • Provides traffic separation between users with traffic from one “leaf” being allowed to arrive at one of more “Roots” but never being transmitted to other “leaves” Carrier Ethernet Network UNI CE Leaf Root Leaf UNI UNI Leaf CE CE UNI Rooted-Multipoint EVC CE Ethernet Private Tree example

  15. Service Attributes Dr. Sarath Kumar 15

  16. Service Attributes • EVC Service Attributes • Details regarding the EVC including: • Bandwidth profiles, QoS Assignment and Tagging options • Frame Delay (Latency), Frame Delay Variation (Jitter), Frame Loss Ratio • UNI Service Attributes • Details regarding the UNI including: • Physical interface capabilities • Service multiplexing capability • C-VLAN bundling capability • EVC and UNI Bandwidth Profiles Service Attributes • Committed Information Rate (CIR) • Excess Information Rate (EIR) • MTU (frame) size

  17. Bandwidth Profiles per EVC EVC2 EVC1 EIR EIR CIR CIR EVC3 EIR CIR • BW profiles per EVC • CIR (Committed Information Rate) • Frame delivery obligation per SLA • EIR (Excess Information Rate) • Excess frame delivery allowed • typically not subject to SLA • CBS/EBS (Committed/Excess Burst Size) • Size of burst window for CIR/EIR • Color Marking • Green– Forwarded frames • CIR conforming traffic • Yellow– Discard Eligible frames • Non-conformant with CIR , conformant with EIR • Red– Discarded frames • Non-conformant with CIR and EIR Total UNI BW

  18. MEF 10.1 Traffic Management Model Port-based Port/VLAN-based EVC1 EVC1 Ingress Bandwidth Profile Per EVC1 EVC2 EVC2 Ingress Bandwidth Profile Per Ingress UNI UNI Ingress Bandwidth Profile Per EVC2 UNI EVC3 EVC3 Ingress Bandwidth Profile Per EVC3 CE-VLAN CoS 6 Port/VLAN/CoS-based CE-VLAN CoS 4 Ingress Bandwidth Profile Per CoS ID 6 EVC1 CE-VLAN CoS 2 Ingress Bandwidth Profile Per CoS ID 4 UNI Ingress Bandwidth Profile Per CoS ID 2 EVC2

  19. Ethernet Service Application Examples Umesh Kukreja 19

  20. EPL Example • Simple configuration • “The port to the Internet is un-trusted” • “The port to the branches is trusted” • No coordination with MEN SP for HQ to branch subnets • Fractional bandwidth (Bandwidth Profile) options to offer sub-rate services Internet Branch EPL EPL EPL Firewall Branch HQ

  21. EVPL Example Internet Service Provider (ISP) Service Multiplexed UNI VLAN 178  BlueVLAN 179  YellowVLAN 180  Green VLAN2000  Green ISPCustomer 3 VLAN2000  Blue VLAN2000  Yellow ISPCustomer 1 ISPCustomer 2 • Efficient use of ISP router ports • Easy configuration at ISP customer sites • This port and VLAN 2000 (or even untagged) to ISP

  22. EVP-LAN Example A C EVC1 D EVC2 B Service Multiplexing Instant CashLoans, Inc. (ICL) Deadbeat Detect Credit Check, Inc. (DDCC) Walk In Drive Out Used Cars, Inc. (WIDO) • Redundant points of access for critical availability higher layer service • Multi-point to Multi-point service e.g. LAN Extension Service, IP Multi-cast • ICL and WIDO Used Cars cannot see each other’s traffic

  23. EP-Tree Example A Small Guy Travel Internet Service Provider (ISP) D B Tiny Guy Coffee EVC1 C Diminutive GuyGaming Center Root Leaves • Efficient use of ISP’s router port • Simple configuration for the little guys • Small, Tiny, and Diminutive Guys can’t see each other’s traffic • Second Root would provide redundant internet access

  24. EVP-Tree Example Elevator Video Franchises Service Multiplexing Leaves A Small Guy Travel Internet Service Provider (ISP) D B Tiny Guy Coffee EVC1 C Root Diminutive GuyGaming Center Leaves • Efficient distribution of elevator video • Small, Tiny, and Diminutive Guys can’t see each other’s traffic, EV Franchises can’t see each other’s traffic • Second Root could be added to provide redundant Internet access connections • Some limits on what routing protocols can be used

  25. Q & A Ralph Santitoro Chair, MEF Web Marketing Committee Director of Carrier Ethernet Solutions Turin Networks Ralph@Marcom-Services.net Dr. Sarath Kumar Group Director, Ethernet Products Group Tejas Networks sarath@india.tejasnetworks.com Umesh Kukreja Director of Product Marketing Atrica umesh_kukreja@atrica.com Tony Tam Sr. Product Line Manager Anda Networks ttam@andanetworks.com

  26. More at www.MetroEthernetForum.org/presentations.htm

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