1 / 53

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.

zach
Download Presentation

optiMA ULC A Unified Loop Carrier

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  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

More Related