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optiMA ULC A Unified Loop Carrier

optiMA ULC A Unified Loop Carrier. Agenda. ULC Architecture ULC Broadband Features EMS ULC for Triple Play Roadmap. Unified Loop Carrier (ULC). ULC-2300. ULC-1100. Broadband. GE. SDH (STM-1/4)/RPR. GE over WDM. V5.2: 63 E1s, 4 Instances. POTS. NX64 & E1. PSTN. BRI/PRI.

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optiMA ULC A Unified Loop Carrier

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  1. optiMA ULC A Unified Loop Carrier

  2. Agenda • ULC Architecture • ULC Broadband Features • EMS • ULC for Triple Play • Roadmap

  3. Unified Loop Carrier (ULC) ULC-2300 ULC-1100

  4. Broadband GE SDH (STM-1/4)/RPR GE over WDM V5.2: 63 E1s, 4 Instances POTS NX64 & E1 PSTN BRI/PRI ULC Architecture ADSL/ADSL2+/G.SHDSL ULC-RT FE FE (Fiber) VDSL2

  5. ULC - RT Configurations ULC-1100 ULC-2300

  6. BBCC0 BBCC1 GIS0 GIS1 GIS2 GIS3 GIS4 GIS5 GIS6 GIS7 GIS8 GIS9 UPLINKGIS10 OWMCGIS11 NBCC0 NBCC1 ULC - Main Shelf Notations: BBCCx – BB Controller Card Slot x, GISx – Generic Interface Slot x, NBCCx – NB Controller Card Slot x GIS 10 - Up link slot GIS 11 - OWMC slot

  7. Stack Card Stack Card GIS0 GIS1 GIS2 GIS3 GIS4 GIS5 GIS6 GIS7 GIS8 GIS9 GIS10 GIS11 GIS12 GIS13 ULC - Expansion Shelf Notations: GISx – Generic Interface Slot x, GIS 12 & 13 - Only for NB line interface cards

  8. Mid-plane Architecture • Connecterization in the front • Mid-plane architecture – Flexible Interface options • Compact form factor • CPCI Backplane connectors

  9. ULC - Line Cards • POTC Card • 16 / 32 ports • Per port 16 Khz metering / polarity reversal • Per port line testing (Resistance, Capacitance & Voltage) • BRA ISDN • 8 / 16 ports with 2B1Q line coding • G.961 compliant ISDN interface • ITU-T K20 compliant line protection (Optional) • 100 VDC power feed for long haul applications • PRA ISDN • 8 / 16 port • G.703 compliant • V5.2 / Transparent • ADSL2+ Card • 24 ports • G.SHDSL Card • 24 ports • N * 64K and E1 • 4 / 8 ports • G.SHDSL G.991.2 compliant • FE Access • Support 12/24 Ports in the Controller card

  10. Broadband Controller Card • 12.8Gbps Switch Fabric • 9.5Mpps Switching Throughput • GE Copper/ Fibre Uplink • 12 Ports of FE available per Card • 1+1 Redundancy provided in system • less than 3 seconds switch over time when the active card is removed

  11. ADSL Card FE Subscriber Access ADSL ADSL2 ADSL2+ ADSL Line Card • 24 Ports on a single card • ADSL • ADSL2 • ADSL2+ (Annex A,B,L) • Rear Card has Built in Splitter for voice

  12. Subscriber Access SHDSL SHDSL Line Card • 24 Ports on a single card • G.SHDSL Service

  13. Narrowband Controller Card • TDM Crossconnect • TDM Controller • Management of Narrowband services • 1+1 Redundancy provided in system

  14. E1 Card • 8 Port E1 Card • Uplink V5.2 Subscriber Access

  15. ISDN BRI Card • 16 Port ISDN BRI • G.961 compliant ISDN interface • ITU-T K20 compliant line protection (Optional) • 100 VDC power feed for long haul applications

  16. OWMC Card • Supervisory Card for the system • Interface to Alarm Panel • Order wire interface

  17. PSTN Line Card (POTC) • 32 Port POTS Interface • Per port 16 Khz metering / polarity reversal • Per port line testing (Resistance, Capacitance & Voltage)

  18. ULC - COT Configurations • Narrowband • STM - 1 Optical interface to the PSTN (dual fiber ring) • 4 STM-1 Rings (dual fiber) towards the RT Network • V5.2 interface to the PSTN • Level-1 and Level-2 Concentration • Broadband • Access to Core Network with multiple GEs. • Aggregation of Access Network traffic (GE, EoSDH) • Centrally managed by EMS • NB-Options • Subscriber Interface • Remote EMS • Single Fiber STM-1 Ring • 21/42/63 E1 PSTN interface • Input voltage • Nominal : -48 VDC • Range : -36 to –60 VDC • Interfaces • STM-1 Optical : ITU-T Rec. G.957 • Leased E1 : ITU-T Rec. G.703, G.706 • Gigabit Ethernet : IEEE 802.3z

  19. V5.2 Interface • V5.2 interface to the PSTN • up to 4 instances • BHCA (1:8 concentration) • 150K BHCA for 21 E1s • 400K BHCA for 63 E1s • Physical - STM-1 optical Interface : ITU-T Rec.G.957 • Protocol ETSI - 300-324/347 • 10 km optical range, 40 km option

  20. ULC - Voice Dimensioning • Three levels of Concentration - Distributed switch fabric • Level 1 and Level 2 at COT, Level 3 at RT • STM-1 Network Interface (PSTN) • Scalable from 21 to 63 E1s • Traffic dimensioning (1:8 concentration) • 21 E1s - 5040 POTS max. • 42 E1s - 10080 POTS max. • 63 E1s - 15120 POTS max. • STM-1 Access Ring Interface (COT) • Scalable from 21 to 63 E1s • Bandwidth shared by 14 RT’s (E1 level granularity) • STM-1 Access Ring Interface (RT) • up to 4 E1 ADD/DROP • Bandwidth shared by subscriber interfaces (DS0 granularity)

  21. Agenda • ULC Architecture • ULC Broadband Features • EMS • ULC for Triple Play • Roadmap

  22. ADSL/ADSL2+ FE FE (Fiber) VDSL2 Broadband Services ULC DSL Tested with 0.5mm diameter cable and without noise.

  23. ULC: Broadband Features • L2 Functionality • 802.1Q VLAN • 802.1p • 16K MAC address • Limiting MAC Address Learning per port • IEEE 802.1D (STP) • RSTP • 802.3ad (Link Aggregation) • QinQ • QoS • Policing & Marking • Shaping & Scheduling (WRR, SP) • Multicast Support • IGMPv1 & v2 Snooping • MVR support

  24. ULC: Broadband Features • Security & Access Control • L3-L7 Extended Access List • Trusted manager list • Half Bridge Mode • Bandwidth Management • Ingress and egress rate limiting • Storm control • Management • CLI • SNMPv2 (upgradeable to v3) • Telnet • Remote S/w update (TFTP) • EMS

  25. S2 S1 Port Aggregation • Increases the bandwidth by Aggregating multiple links of equal capacity. • Cost-effective way of increasing the bandwidth with simple links. • Provides Elegant redundancy

  26. Virtual Connection (VC) Access Circuit (AC) CE1 PE1 PE2 CE2 UNI Ethernet Virtual Private Line • Point-to-Point Virtual Connection • Packets from CE1 is transparently sent to CE2, • The packets from the CE1 is delivered to CE2 unaltered • Mapping between the AC and VC is static. • No Packet based switching is required in PEs

  27. Virtual Connection (VC) with Multi point Capability Access Circuit (AC) CE1 PE1 PE2 CE2 PE3 CE3 Ethernet Virtual Private LAN Service • Provides Multipoint connectivity • L2VPN Capability connecting multiple site over a metro-Ethernet • The packets from the CE1 is delivered to CE2 unaltered • Mapping between the AC and VC is static. • PE should run a virtual switch instance for each VPLS. • Switching based on MAC address

  28. PE3 CE3 PE3 CE3 EVPL & EVPLn • Adding a new site through EVPL requires creating EVC for each peer and configuring in other locations. Also the CE is responsible for switching traffic to different sites. • Adding a site in EPLn, just requires configuration of the new site EVPL EPLn PE2 CE2 PE2 CE2 CE1 PE1 CE1 PE1

  29. Storm Control • Provision to throttle ingress Broadcast/ Multicast traffic • Provision to throttle ingress unknown traffic • ACL Filters • L2-L7 Filters Access Security ULC • Intelligent IP Spoofing • Avoid IP spoofing attacks by learning and monitoring DHCP and ARP pkts

  30. Multiple PVCs • Each PVC can be allotted to carry different services • In upstream, CPE classify and transmit traffic to different PVCs • Single PVC, Multiple VLAN • Each VLAN is allotted to carry different services • In upstream CPE separate traffic onto separate VLAN’s Subscriber/ Service Identification for Triple Play

  31. 6 1 A S2 S1 A 7 2 B B 10 5 8 3 C Trunk Ports C Access Ports Access Ports Q-In-Q : VLAN Transparency Metro Tag 7 1 6 6 2 2 2 2 2 48-1500 4 PA SFD DA SA TPI Tag TPI Tag Type/Len Data CRC Customer VLAN

  32. Subtending DSLAMs • Separate Tunnel-id for each subtending DSLAM for unique identification in BRAS and Network. Tunneling & Node Identification • Tunneling • Q-in-Q used for Tunneling VLAN packets • Eliminates VLAN limitation • Used for Node identification in BRAS and Network.

  33. QoS Features • Scheduling • 4 Queue on DSL egress • WRR, SP • WRR+SP • Policing • Policing on each PVC on the DSL ingress • Marking • 802.1P

  34. Advance Line Testing Capability • Can Measure • Channel Characteristic (H) • Signal to Noise Ratio (SNR) • Quiet Line Noise (QLN) • Result of previous initialization • Last Transmit state And Detect Bridge TAP Load coils Split pairs RF interference Crosstalk

  35. STP-1 A 1 S1 S2 Router B1 5 4 2 S4 S3 C 3 STP-2 B2 STP Drawbacks • Per VLAN STP • Redundant Links are unused in the STP • Defines multiple instances of spanning trees • Set of VLANs can be mapped to a STP Instance • RSTP (IEEE 802.1w) • In STP, the convergence time for fail-over is in the order of few tens of seconds • RSTP (IEEE 802.1w), to reduce the convergence time.Inter-VLAN • Exploits the point-to-point topology for fast convergence

  36. Multicast Features • IGMP v1/v2 Snooping • Proxy Reporting • Support for IGMP Filtering list • Provides Access Control for multicast services • Efficient delivery of Multicast Streaming Video • GMRP

  37. Switch Is the member A 1 Router S1 S2 B1 Video Server 5 4 2 S4 S3 B2 C 3 IGMP Snooping & Multicast Streaming • Multicast Stream is Broadcasted in a separate VLAN • L2-Switch snoops the IGMP requests for multicast streams • Generates only one IGMP request for a particular stream • Switches video streaming from the multicast VLAN to the subscriber ports • Eliminates duplicate video streaming in the metro network

  38. End Node is the member A 1 Router S1 S2 Video Server 5 B1 4 2 S4 S3 3 C B2 Multicast Streaming • IGMP • Subscribers join the multicast, using the IGMP Protocol, with the router/L3 switch • For each subscriber (Different VLANs), individual multicast stream transmitted • Metro Links flooded with duplicate traffic

  39. Agenda • ULC Architecture • ULC Broadband Features • EMS • ULC for Triple Play • Roadmap

  40. EMS Features • Configuration support for all managed objects • Support for Subscriber line testing • Diagnostic tests • Software upgrade for all network elements • Alarms indicated at System, Sub-System, Shelf, Slot and Port Level. • Alarms categorized as critical, major, and minor. • Configurable alarm filter • Performance statistics of DSL and FE ports • Security functions at various levels • Multiple GUI clients with different access privileges

  41. EMS • Model & functionality varies with the service provider. • NB & BB EMS as different entities • NB, BB & Transport as different entities • Tightly Integrated • Skeletal EMS provided, which will be customized based on the feedback from operator. • Flexible North Bound interface • Integration of EMS to NMS & OSS.

  42. ULC : EMS Screenshot

  43. ULC : EMS Screenshot

  44. Agenda • ULC Architecture • ULC Broadband Features • EMS • ULC for Triple Play • Roadmap

  45. Triple Play Enablers • Service Classification and differentiation in access & transport • Multi-PVC and Multi VLAN in access • 802.1p & RPR CoS in the Transport • Optimized ZAP time • Less than 3 seconds [Acceptable less than 6 secs] • Bandwidth management and admission control • Reliability & High Resilient • LACP and RSTP • RPR (in Future)

  46. Triple PlayDSLAM Features • Standards Compliant • TR-058 Multi Service Architecture and Framework Requirements • TR-059 DSL Evolution – Architecture Requirements for the support of QoS-Enabled IP Services • Supports TR-094 Multi Service Delivery Framework for Home Networks • CPE Management • MEF Service Delivery Forum

  47. Case: Typical deployment

  48. Node headEnd RPR 2.5/10G (MPLS/QinQ) CO ULC, 1000 Port Direct + 1000 Port Subtending DBRAS, 2000 Subscriber Support Content Cache Distributor and Manager 1-Gig RPR/GE QinQ ULC, 240 – 480 Port Network PVR ULC, 240 – 480 Port ULC, 240 – 480 Port Subtending DSLAM, 24-120 Ports GE Major City Deployment Architecture

  49. RPR Fiber Uplink to Parenting City BRAS Network PVR 1Gig I/F Satellite Receiver – Encoder Optional 1 Gig RPR/Ethernet COT RPR Aggregator With Multi Gig Switch Video Headend Firewall CO ULC, 240 Port Direct + 480 Port Subtending Content Cache Distributor and Manager ULC, 24 - 240 Port xDSL Modem / FE Line Interface ULC, 24 - 240 Port ULC, 24 - 240 Port Small City Deployment Architecture

  50. Agenda • ULC Architecture • ULC Broadband Features • EMS • ULC for Triple Play • Roadmap

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