Ethernet Access over Fiber

Ethernet Access over Fiber

Variety of Ethernet Access Solutions – Implementation Scenario
RICi-622GE Branch GbE STM-4/OC-12 RICi-155GE STM-1/OC-3 Ethernet over SDH/SONET RICi-4/8E1 RICi-16 SDH GbE STM-1/OC-3 10BT 100BT EoPDH GFP-VCAT Branch GFP Egate RICi-E1 Ethernet over PDH ADM MLPPP F.ETH EFM Bonding GbE LA-110 Branch IPDSLAM ATM LA-210 Ethernet over DSL ASMi-54 SHDSL.bis Service Provider Packet Switched Network Headquarters ETX-202 F.ETH GbE Metro Ethernet ETX-202A Branch Ethernet over Fiber Extending the reach of the provider’s network over a variety of access technologies Consistent Ethernet service across different access technologies

Agenda Introduction Product Line Overview Services and Applications
Service Delivery Tools Ethernet OAM and SLA Summary

Introduction

ETX Application and Product Definition
Customer Premises ETX CPE EVC A Customer Premises CPE ETX-A Operator B Operator A Customer Premises ETX CPE EVC B End-to-end OAM between demarcation points Clear demarcation between provider’s and Customer’s networks – quickly determine who is responsible for problems affecting service Operations Administration & Maintenance (OAM) Allow for end-to-end fault management and performance monitoring Traffic management starting at customer premises Service Level Agreement Monitoring Customers demand proof of SLA contract

Product Line Overview 6

ETX – Product Overview Product Physical Description Highlights
ETX-102 V3.6 Fast Ethernet NTU Compact 1U, half 19” plastic enclosure 1xFE Net, 1xFE Net/User, up to 4 FE User Switching & Bridging Ethernet OAM 802.3ah Ethernet OAM 802.1ag SLA Monitoring Uplink redundancy L1 and L2 Loopback Per VLAN Statistics Serial Craft port Configurable OOB mgt. port Wide range of SFP Temp. Hardened option Standard wide range AC/DC PSU Optional wide range DC PSU option Dying Gasp Support ETX-201 V3.6 Gigabit & Fast Ethernet NTU 1xGE Net, 1xGE Net/User, up to 4xFE user ports Auto-detect GE/FE SFP Slots ETX-202 V3.6 Gigabit Ethernet NTU Compact 1U, half 19”, metal enclosure 2xGE Net, up to 4xGE user ports

ETX – Product Overview Product Physical Description Highlights
ETX-550 GE Carrier Ethernet MTU/Aggregation Compact 1U or 1.5U, 19” Up to 4x GE SFP Optical Uplinks Up to 24x UTP 10/100 or 100 FE Optical User ports Switching & Bridging Redundant PSU AC or DC

ETX-A NTU – Product Overview
New! Gigabit Ethernet Physical Description Half 19” 1U AC/DC Power Supply 2-4 user interfaces 2 network interfaces Electrical 10/100BaseT 10/100/1000BaseT All fiber interfaces – SFP based MEF 9 & 14 Certified for EVPL/EVPLAN Temperature Hardened with dual power supply option CPE Fast Ethernet ETX-201A Ethernet 1 or 2 Available for Beta! 4 Gigabit Ethernet CPE Gigabit Ethernet ETX-202A Ethernet 1 or 2 4

Services and Applications
10

Supported Service Topologies: NTU view
Port based service: Different user ports Customer Premises POP ETX-550/or 3rd Party Edge Device VoIP Premium data Best Effort data 4 Mbps 16 Mbps ETX- series GE PSN ETH/IP/MPLS Ethernet Aggregator E-NTU Flow based service : ‘Service multiplexing‘ Same user port Different flows (e.g VLAN) Customer Premises POP ETX-550/or 3rd Party Edge Device VoIP Premium data Best Effort data 16 Mbps 4 Mbps ETX-A series GE PSN ETH/IP/MPLS E-NTU Ethernet Aggregator

MEF Services Terminology: E-LINE
Point-to-Point EVC Carrier Ethernet Network CE UNI ISP POP Internet Ethernet Private Line (EPL) Replaces a TDM Private line Dedicated UNIs for Point-to-Point connections Single Ethernet Virtual Connection (EVC) per UNI Ethernet Virtual Private Line (EVPL) Replaces Frame Relay or ATM services Supports multiple EVCs per UNI Allows single physical connection (UNI) to customer premise equipment for multiple virtual connections Service Multiplexed Ethernet UNI Multipoint-to-Multipoint EVC Carrier Ethernet Network CE UNI

MEF Services Terminology: E-LAN
Ethernet Private Line (EPLAN) Providing LAN over the WAN Multipoint-to-Multipoint service Single Ethernet Virtual Connection (EVC) per UNI Ethernet Virtual Private Line (EVPLAN) Supports multiple EVCs per UNI Allows single physical connection (UNI) to customer premise equipment for multiple virtual connections CE UNI UNI CE ISP POP Internet UNI UNI CE Service Multiplexed Ethernet UNI CE UNI

Supported Service Topologies: Summary
EPL and EPLAN are supported by current ETX products EVPL and EVPLAN are supported with new ETX A series

Service Delivery Tools

Flow Based Forwarding Model
Fixed Mapping( Classification according to flow key: 1. CE-VLAN ID 2. CE-802.1p 3. DSCP/ TOS 4. Port Queues 0 (low) 1 2 3 4 cos Strict / wfq St / wfq 5 6 7 (max) 7 Flow 1 (EVC 1) CE-VLAN ID CoS per Flow Flow 1 = CoS 3 Policer per COS CoS 3 = BW profile 1 Marking SP-Vlan P.bit per CoS: CoS 3= Profile 1= P.bit X Cos 5= Profile 2= P.bit Y Flow 2 (EVC 2) CE-802.1p CoS per Flow Flow 2 = CoS 5 Policer per COS CoS 5 = BW profile 2 Flow 2 Step 1- Flow Classification Step 2- Flow Mapping: Defines VLAN members per flow Step 3- Assigning Fixed CoS per Flow (other method is CoS per P.bit/DSCP/IP TOS according to user configured profiles) Step 4- Policer Per Cos: Define the CIR/EIR/CBS/EBS Bw criteria per CoS Step 5- Configuring Strict or WFQ priority, according to user configured profiles. Note Priority Queues are fixed to CoS. Step 6- P. Bit priority marking: Adding the P.bit to the SP-Vlan, according to user configured profiles.

Mapping User Traffic to flow
On user ingress traffic is mapped to a flow by one of the following criteria: VLAN ID P.Bit DSCP/TOS Subscriber port Up to 30 Flows Flow 3 Flow 2 Classification according to flow key: CE-VLAN ID CE-802.1p DSCP/TOS Flow 1 (EVC 1) CE-VLAN: 1, 3, User Network Mapping Service according to VLAN ID Up to 30 Flows Flow 4 Flow 3 Classification according to flow key: CE-VLAN ID CE-802.1p DSCP/TOS Flow 2 (EVC 2) CE-802.1P= 1, 4, 7 User Network Mapping Service according to P.Bit

Fixed Mapping( Classification according to flow key: 1. CE-VLAN ID 2. CE-802.1p 3. DSCP/ TOS 4. Port Queues 0 (low) 1 2 3 4 cos Strict / wfq St / wfq 5 6 7 (max) 7 Flow 1 (EVC 1) CE-VLAN ID CoS per Flow Flow 1 = CoS 3 Policer per COS CoS 3 = BW profile 1 Marking SP-Vlan P.bit per CoS: CoS 3= Profile 1= P.bit X Cos 5= Profile 2= P.bit Y Flow 2 (EVC 2) CE-802.1p CoS per Pbit Pbit1=Cos 1 Pbit7=Cos 7 Policer per COS CoS 5 = BW profile 2 Flow 2 Step 1- Flow Classification Step 2- Flow Mapping: Defines VLAN members per flow Step 3- Assigning Fixed CoS per Flow (other method is CoS per P.bit/DSCP/IP TOS according to user configured profiles Step 4- Policer Per Cos: Define the CIR/EIR/CBS/EBS Bw criteria per CoS Step 5- Configuring Strict or WFQ priority, according to user configured profiles. Note Priority Queues are fixed to CoS. Step 6- P. Bit priority marking: Adding the P.bit to the SP-Vlan, according to user configured profiles.

Class of Service Mapping
COS can be determined according to: Flow (EVC) CVLAN Pbit Customer DSCP/TOS Subscriber port EVC1 EVC2 EVC3 UNI EVC2 CoS 1 CoS 4 CoS 7 p.bit CoS/Service 7 6 5 4 3 2 1 Up to 30 Flows Flow 4 User Network Flow 3 Flow 2 (EVC 2) CE-802.1P= 1, 4, 7

Fixed Mapping( Classification according to flow key: 1. CE-VLAN ID 2. CE-802.1p 3. DSCP/ TOS 4. Port Queues 0 (low) 1 2 3 4 cos Strict / wfq St / wfq 5 6 7 (max) 7 Flow 1 (EVC 1) CE-VLAN ID CoS per Flow Flow 1 = CoS 3 Policer per COS CoS 3 = BW profile 1 Marking SP-Vlan P.bit per CoS: CoS 3= Profile 1= P.bit X Cos 5= Profile 2= P.bit Y Flow 2 (EVC 2) CE-802.1p CoS per Pbit Flow 2 = CoS 5 Policer per COS CoS 5 = BW profile 2 Flow 2 Step 1- Flow Classification Step 2- Flow Mapping: Defines VLAN members per flow Step 3- Assigning Fixed CoS per Flow (other method is CoS per P.bit/DSCP/IP TOS according to user configured profiles) Step 4- Policer Per Cos: Define the CIR/EIR/CBS/EBS Bw criteria per CoS Step 5- Configuring Strict or WFQ priority, according to user configured profiles. Note Priority Queues are fixed to CoS. Step 6- P. Bit priority marking: Adding the P.bit to the SP-Vlan, according to user configured profiles.

Policer Per Service/Flow Bandwidth Control
Traffic policing per ingress Service Dual Token Bucket mechanism (CIR+CBS, EIR+EBS) per policer TrTCM - 2 rate (CIR/EIR), 3 color (Green/Yellow/Red) marking: Green: 0 to CIR – always ‘respected’ Red: above EIR – always discarded Yellow: between CIR to EIR – Will be respected until the queue reaches a predefine threshold, then it will discarded

Bandwidth Profiles Bandwidth Profile attributes
CIR – Committed Information Rate, 64 kbps granularity CBS – Committed Burst Size, bytes, 1 x byte granularity EIR – Excess Information Rate, 64 kbps granularity EBS – Excess Burst Size, bytes, 1 x byte granularity Typical Services VoIP: CIR/CBS according to rate sold, EIR/EBS=0 High Priority Data, CIR/CBS with typically high EIR/EBS (2 x CIR) Best Effort: CIR/CBS=0, EIR/EBS according to rate sold p.bit CoS/Service B.W. Profile 7 CIR/CBS 6 5 4 (CIR/CBS):2 3 2 1 EIR/EBS EVC2 CoS 1 CoS 4 CoS 7 Flow 2 (EVC 2) CE-802.1P= 1, 4, 7 User Network

Quality of Service Class of service management: Shaping Queuing
Traffic can mapped to eight queues for eight classes of service Strict priority for low delay low jitter applications such as VoIP WFQ scheduling for Improving fairness for non critical traffic Combination of WFQ and Strict Priority Shaping Smoothes egress traffic from network port Based on leaky bucket algorithm with CIR parameter Queuing Flexible Combination of WFQ and Strict Priority Per queue WFQ configurable weight from 1 to 32 Per queue configurable length ,000 bytes, 1xbyte granularity Congestion treatment WRED – Congestion avoidance Queues 0 (low) 1 2 3 4 cos Strict / wfq WFQ 5 6 7 (max) 7 Strict Fixed Mapping(

Editing and Marking SP VLAN Editing: Traffic can be tagged, double tagged or untouched per flow Marking of Pbit on SP VLAN p.bit CoS/Service B.W. Profile Queuing Editing and Marking 7 CIR/CBS Strict SP100:Pbit7 6 5 4 (CIR/CBS):2 WFQ SP100:Pbit5 3 2 1 EIR/EBS SP100:Pbit3 Flow 2 (EVC 2) CE-802.1P= 1, 4, 7 User Network

ETX Product Line – Summary
Net Port User Port Service Topology Bandwidth Profiles Class of Service ETX-102 2 x FE 4 x FE EPL, EPLAN CIR/CBS Per port Strict Priority ETX-201 2 x GE CIR/CBS Per port ETX-202 4 x GE ETX-201A EVPL, EVPLAN CIR/CBS, EIR/EBS PER EVC.COS Strict Priority + WFQ 8 CoS ETX-202A Ethernet Private Line Support CIR/CBS bandwidth profile per port Ethernet Virtual Private Line Support CIR/CBS, EIR/EBS bandwidth profile per EVC.COS

Ethernet OAM & SLA

Standards OAM: Operations Admin. & Maintenance
Customer Premises Customer Premises CPE E-NTU E-NTU CPE Operator B Operator A 802.3ah (Access Link ME) 802.1ag/ Y.1731 (UNI-N to UNI-N ME) A summary of available Ethernet OAM Mechanisms End-End/Last Segment Performance Monitoring Type Fault Propagation ETX Implementation IEEE 802.3ah (Clause 57) Single Segment No Link Standard IEEE 802.1ag End-to-End Connectivity ITU-T Y.1731 Yes Service

ETX SLA Support SLA Parameter ETX Support Bandwidth Profile
CIR, CBS, EIR, EBS Service Connectivity Type EPL or EVPL Service CoS Real Time, Priority, Best Effort Performance: Frame Delay Based on Y.1731, Per EVC.cos Performance: Frame Delay Variance Performance: Frame Loss Performance: Availability Protection Link protection:802.3ad or 1:1 The ETX can provision up to 30 EVC with up to 240 bandwidth profiles and 48 SLA instances

Summary Match the optimal Ethernet NTU for the service requirements: ETX for EPL or ETX-A for EVPL Offer profitable EVC based service and not just port based service Support for available bandwidth with CIR/CBS EIR/EBS traffic profiles Supports a complete OAM package with standard 802.3ah, ag and Y.1731 Support for SLA reports to your end-customers

Appendix

ETX-202A Available Configurations
Ordering Option Description ETX-202A/NULL/NULL/1NULL 1 x Net, 1 x Net/User ports GE/FE SFP ready, 1 User port GE/FE SFP ready ETX-202A/NULL/NULL/4NULL 1 x Net, 1 x Net/User ports GE/FE SFP ready, 4 User ports GE/FE SFP ready ETX-202A/NULL/NULL/1UTP 1 x Net, 1 x Net/User ports GE/FE SFP ready, 1 User ports 10/100/1000BaseT ETX-202A/NULL/NULL/4UTP 1 x Net, 1 x Net/User ports GE/FE SFP ready, 4 User ports 10/100/1000BaseT ETX-202A/UTP/UTP/1UTP 1 x Net, 1 x Net/User ports 10/100/1000BaseT, 1 User ports 10/100/1000BaseT ETX-202A/UTP/UTP/4UTP 1 x Net, 1 x Net/User ports 10/100/1000BaseT, 4 User ports 10/100/1000BaseT ETX-202A/NULL/NULL/1NULLUTP 1 x Net, 1 x Net/User ports GE/FE SFP ready, 1 x User SFP GE/FE port, 1 x User 10/100/1000BaseT ETX-202A/WRDC Wide range DC PSU (+24 to -48) available with above options ETX-202A/H/DCR/NULL/NULL/4UTP or /4NULL Dual wide range DC PSU (+24 to -48), temperature hardened in full 19” enclosure SFP-5, SFP-6, SFP-7, SFP-8, SFP-9G SFP-5D, SFP-6D, SFP-7D, SFP-8D Other SFPs may be used but may not be recognized by the ETX SW SFP-5H, SFP-6H, SFP-8H, SFP-8DH, SFP-5DH Temperature Hardened SFP required for /H options. These SFP are currently Beta By default unit ships with a wide range AC power supply, WRDC is optional Temp. Hardened unit (-30 to 65 Celsius) is available in full 19” with dual DC power supplies

ETX A Series Roadmap Version Date Main Features Auto-detect GE/FE SFP
Beta ETX-202A Today Auto-detect GE/FE SFP Support for EVPL service and CIR/PIR, CBS/EBS Multiple services per user port EVC.COS Enhanced QoS with Strict Priority, Weighted Fair Queue and WRED MEF 9 & 14 EPL/EVPL certified RADview-EMS v1.8 available May-08 Version 1.6 ETX-201A Q208 ETX-201A HW with 2xGE Net and 4xFE User Jumbo frame, 9K support Per EVC Shaping Hierarchical scheduling Standard IEEE 802.1ag CFM OAM: LBT, LT and CC Standard ITU-T y.1731 PM OAM: (Two way delay) L3 loopback, (IP loopback)

Access Link OAM: Standard IEEE 802.3ah
Customer Premises Customer Premises CPE ETX ETX CPE Operator B Operator A 802.3ah (Access Link ME) ETX Support Passive mode designed for network termination Auto Discovery - Discovers if next hop supports 802.3ah Loopback - Remote layer 1 loopback of all traffic Excludes 802.3ah OAM messages from loopback MIB retrieval - No IP needed to get MIB parameters Remote failure indication Link Fault upon discovery of disconnect, log alarm, send trap Dying Gasp: Upon a power failure 802.3ah dying gasp message. Additionally, SNMP trap is sent.

802.1ag/Y.1731 Service OAM 8 OAM levels MEP/MIP/MEG concept
MEP = Maintenance-End-Point MIP = Maintenance-Intermediate-Point 8 OAM levels MEP/MIP/MEG concept Main messages: CC LB LT AIS RDI Lock (performance measurements) Service OAM MEPs and MIPs Service OAM Header 37

Continuity Check (CC) OAM
Customer Premises Customer Premises CPE E-NTU E-NTU CPE Operator B Operator A CC Sink CC Source CC OAM Frames CC OAM Defined per EVC, allows for one-way connectivity monitoring Loss of Continuity (LOC) is declared (only at the sink side) upon 3.5 seconds without receiving CC OAM frame Loss of Continuity (LOC) is cleared upon sink receiving 2 CC OAM frames within a window of 3.5 seconds Upon CC failure Send trap Update active alarm log Update statistics Optional uplink switch-over

Loopback (LB) OAM Customer Premises Customer Premises CPE E-NTU E-NTU CPE Operator B Operator A MEP MEP LB OAM Request LB OAM Reply Defined per EVC, allows for non-intrusive loopback (round trip) connectivity monitoring Sent from MEP, looped by either MEP or MIP LB Failure is declared upon 2 seconds without receiving the specific LB OAM frame Upon LB failure Send trap Update active alarm log Update statistics Optional uplink switch-over

ETX CFM+PM OAM Future Support
Type Message Type V1.2 Support V1.6 Support Comments Fault Management CC Pre-standard Standard 100msec support LB IP ping equivalent LT N/A IP Trace rout equivalent AIS/RDI Standard RDI No CC -> Send RDI LOCK TEST Performance Management Delay Roundtrip +/- Microsecond Delay Variance Packet Loss One-way Availability Yes

ETX Ethernet OAM Tools – Summary
OAM Function Tools Comments Connectivity Verification 802.3ah heartbeat Heartbeat rate is 1 second 802.1ag CC pre-stand. 1 sec today msec in v3.8 802.1ag LB pre-stand. Can be used continuously as CC Fault Detection & Isolation 802.1ag LT Trace route like functionality 802.1ag LB Ping like functionality Virtual Cable Test (VCT) Discover copper faults and locate them L3 Ping and Trace route Limited as troubleshoots IP connectivity Fault Propagation Subscriber port shutdown Effective currently since no CE with OAM 802.3ah Dying Gasp Trap Send trap upon power failure Diagnostic Loopbacks L1 loopback Does not traverse L2 Bridge L2 loopback Line rate per VLAN or port 802.3ah loopback Entire port. L2 no MAC Swap Performance Monitoring Y.1731 based, proprietary RT measurements, +/- microsec Per VLAN/EVC Statistics On actual data (no sampling) Etherstats* per RMON RFC 2819

OAM: Performance Monitoring
Counter/Statistics Details Minimum round trip delay Minimum round trip delay measured in the interval up to now Average round trip delay Average Round measured in the interval up to now Maximum round trip delay Maximum round trip delay measured in the interval up to now Minimum delay variation Minimum delay measured in the interval up to now Average delay variation Average delay variation measured in the interval up to now Maximum delay variation Maximum delay variation measured in the interval up to now Num of Frames Above Delay objective Number of frame exceeded frame delay Performance objective Num of Frames below or equal to Delay objective Number of frame below or equal to frame delay Performance objective Num of frames above Frame delay variation objective Number of frame exceeded frame delay variation Performance objective Num of frames below or equal to Frame delay variation objective Number of frame below or equal frame delay variation Performance objective Frame loss ratio (FLR) Total interval frame loss ratio Frame transmitted counter Total number of frame transmitted counter in interval Frame loss counter Total number of frame loss in interval Elapsed time Seconds from the beginning of the interval 0-900 Unavailable seconds Number of seconds where the service is unavailable

Failure propagated to user port
Fault Propagation Failure propagated to user port Network port failure CPE Switches to alternative path CPE E-NTU Packet Switched Network Eth/IP/MPLS ‘Link down’ status on the Network port causes ‘link down’ status on the user port. In case of multiple user ports cause ‘link down’ status on all user ports or part of them according to parameter ‘Wait to restore’ parameter - defines the time between network port becoming ‘up’ and restoring user port link up

Diagnostic Loopbacks Layer 1 Loopback – ETX loopbacks traffic from Rx to Tx Out of service – disrupts service Cannot traverse Ethernet bridge Supported on any ETX port Performed on all traffic of the ETX port Loopback activation is via management not OAM protocol Layer 2 Loopback – ETX loopbacks traffic and swaps MAC Addresses ETX replaces Source Address with Destination Address Can traverse Ethernet bridges Performed per VLAN (or EVC) Tester No Layer L2 Loopback With Layer L2 Loopback Tester ETX

Management Remote management In-band management, SNMP based
Dedicated VLAN Management traffic can be blocked from user port Management applications RADview EMS RADView Lite Telnet, Web browser Local management via craft port (RS-232) and/ or Ethernet out of band port. Optional use of DHCP to automatically obtain IP address and default gateway Remote software and configuration download All local configurations can also be done remotely Full SNMPv3 agent

* RADview-EMS v1.8 available May-08
Discover and present of all ETX in the customer network GUI cut-through application - visual EMS Provides a visual view of the device with its panel and ports Provides visual indication of alarm conditions (color coded) User friendly interface to complex configuration (e.g. OAM) Statistics presentation Provides current and historical view of collected statistics from device * RADview-EMS v1.8 available May-08

* RADview-EMS v1.8 available May-08
Alarm Management De-duplication – create a single alarm from multiple alarms Alarm threshold – create new alarms from alarm conditions Automatic clearing of alarms – Show only active alarms Forwarding of alarms to pre-configured 3rd party OSS/NMS Security management Create profiles with allowed actions and associated users Associate permitted actions to each profile Statistics Collection – TFTP Efficient collection of device statistics into CSV file format Easily integrates into customer existing NMS Northbound CORBA interface * RADview-EMS v1.8 available May-08

Security Encryption Secure SNMPv3 communications
SSHv2/SSL Secure Telnet and web sessions for management Secure SNMPv3 communications Prevent intrusion into management Access to management station via user ports is blocked (configurable) Management information from network port only (configurable) Management VLAN from user ports is blocked Controlled Access and Authorization Only specific IP addresses will be allowed to manage the device; Authorization levels per access method (SNMP, Telnet, Terminal) Read/Write Communities mechanism RADIUS Centralized Authentication and Authorization of management access Denial of Service (DoS) Prevention Rate limitation on traffic direct to CPU Broadcast/Multicast rate limitation Ping of Death prevention – no ping larger than 1484 bytes to CPU

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