The Next Cable Access Technology What the Future Holds in the Gigabit DAA World. Copyright 2017 ARRIS Enterprises, LLC. All rights reserved

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Marjory Neal
6 years ago
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The Next Cable Access Technology What the Future Holds in the

2 What s Coming in the Access Network Customer and Competition Drivers Exponential Bandwidth Growth Increased Competition SPs & OTT Technological Bifurcation Topology Evolution Mid-split High-Split? Fiber Deeper or FTTH? MSO Decisions, Decisions, Decisions Evolution vs. Revolution Architectural Bifurcation Centralized vs. Distributed Architecture RPHY vs. RMACPHY Appliance-based vs. Virtual (SDN/NFV) vs. Both PNF & SDN DOCSIS 3.1 / Extended Spectrum / FDX / RFoG - AgileMax / GPON / 10G EPON - DPoE / Wireless 11 April 2018 ARRIS Confidential Roadmap Subject to Change 2

3 US Avg BW per Sub (kbps) DS BW per Sub (kbps) Recent MSO Average Bandwidth Traffic Trends DS Avg BW per Subscriber (2017 Avg=1070 kbps, 5 yr Avg CAGR = 36%) Year DS Tavg passes 1Mbps in 2017 DS Tavg CAGR below 40% Not quite doubling every other year Average MSO A MSO B MSO C MSO D US Tavg almost 100Kbps in 2017 US Tavg CAGR below 20% Doubling every ~4-5 years For Network Capacity planning, typically use 20% to double every 4 years US Avg BW per Subscriber (2017 Avg = 95 kbps, 5 yr Avg CAGR = 17%) Year Average MSO A MSO B MSO C April 2018 ARRIS Confidential Roadmap Subject to Change 3

What is Driving this Incredible Bandwidth Growth IN THE NEXT THREE YEARS: RESOLUTION MPEG2 MPEG4/H.264 HEVC/H.265 480i30 2.5 4 Mbps 1.5 2.5 Mbps - 720p60 (or 1080i60 ) 9 18 Mbps 4.

4 What is Driving this Incredible Bandwidth Growth IN THE NEXT THREE YEARS: RESOLUTION MPEG2 MPEG4/H.264 HEVC/H i Mbps Mbps - 720p60 (or 1080i60 ) 9 18 Mbps Mbps 2 5 Mbps 4Kx2Kp Mbps Mbps 8Kx4Kp Mbps 8Kx4Kp Mbps Over The Top & MSO-Managed IP Video: More Sessions at higher resolution Unicast video replacing Bcast IoT: Upstream Transmissions of many surveillance IP video streams per home The Simulcast Bubble : Simultaneous Transmissions of TV channels in QAM and IP video during the IP video transition Service Snappiness : Desire for rapid response times Marketing Pressures: The need to respond to higher PON bandwidth offerings IN 3-15 YEARS: New Ultra High Definition Video-based Applications: Video-phone, Webpages, and Games Machine-to-Machine Applications: The nextphase of IoT Virtual Reality & Immersive Video: For TV and Gaming New and Yet to be Invented Applications: TBD 11 April 2018 ARRIS Confidential Roadmap Subject to Change 4

5 Changes Leading to Changes and more Changes Bandwidth Growth Year High SLA BW (Gbps) , CCAP CCAP CCAP 2 λ on Fiber -splits 4 λ on Fiber 100 subs (limited BW/sub) 100 subs (limited BW/sub) 50 subs (more BW/sub) 50 subs (more BW/sub) 50 subs (more BW/sub) 50 subs (more BW/sub) Networking & Infrastructure Issues The Head-end Rack-Space Issue The Head-end Power Issue The Lambda Exhaustion Issue on DWDM Fibers The SNR Decrease Issue Relief Techniques Move functions out of the Head-end and into the Use Digital Ethernet on Fiber instead of AM Optical Signals (80 lambdas instead of 32 better SNRs) 11 April 2018 ARRIS Confidential Roadmap Subject to Change

6 Integrated CCAP and Distributed Architectures Architectural Divergence along our Journey CAA I-CCAP (DOCSIS or PON) CCAP Core & RPHY Virtualized Core (vcore) & RPHY DAA Remote MAC/PHY RMD Mgr & RMD Remote OLT OLT Mgr & R-OLT I-CCAP (MAC & PHY) Management, Control & Data Planes CCAP Core (MAC) (Management, Control & Data Planes) vcore (MAC) (Management, Control & Data Planes) RMD Manager (Management Plane Only) Router OLT Manager (Management Plane Only) Router DAAs HFC No Software No Data Processing + RPHY Module (PHY) Data Plane + RPHY Module (PHY) Data Plane + RMACPHY Module (MAC & PHY) (Control & Data Planes) + R-OLT Module (MAC & PHY) (Control & Data Planes) Benefits: No Software / Simple Lowest OSP Power Lowest MTBF / MTTD / MTTR Familiar OAM&P MAC = Packet-level processing PHY = Bit-to-RF level processing Benefits: Low Rackspace in HE Low Power in HE Med Power in the OSP More Lambdas on Fiber Purpose Built Performance Benefits: Med. Rackspace in HE Low Power in HE Med Power in the OSP More Lambdas on Fiber Elasticity & Feature Velocity w/ SDN & NFV Benefits: Lowest Rackspace in HE Lowest Power in HE Med Power in the OSP More Lambdas on Fiber Elasticity & Feature Velocity w/ SDN & NFV 11 April 2018 ARRIS Confidential Roadmap Subject to Change Benefits: Lowest Rackspace in HE Lowest Power in HE Med Power in the OSP More Lambdas on Fiber Elasticity & Feature Velocity w/ SDN & NFV 6

Headend Space Migration: 2014 to ~2018+ with I-CCAP, R-PHY & R-CCAP Access Architecture (Central - CAA or Distributed - DAA) Time Frame Space Needed For ~200 SG SG per Rack SG Scale Older CMTS + Low

4X CAA E6000 + High Density UEQAM + Ext B-cast + AM Optics 2014 ~7 Racks ~28 SG 1X CAA E6000 Gen 2 with B-cast + AM Optics ~2016-17 ~1½ Racks ~128 SG 4.

7 Headend Space Migration: 2014 to ~2018+ with I-CCAP, R-PHY & R-CCAP Access Architecture (Central - CAA or Distributed - DAA) Time Frame Space Needed For ~200 SG SG per Rack SG Scale Older CMTS + Low Density EQAM + Older AM Optics Pre Racks 4-10 SG X CAA E High Density UEQAM + Ext B-cast + AM Optics 2014 ~7 Racks ~28 SG 1X CAA E6000 Gen 2 with B-cast + AM Optics ~ ~1½ Racks ~128 SG 4.5X R-PHY DAA: Gen2 MAC Core + Ether Aggregation + WDM ~ ~⅔ Rack ~250 SG 9X R-MACPHY DAA: Router + Aggregation + WDM mux/demux ~ ~½ Rack ~384 SG 14X Early R-CCAP DAA: Ethernet Aggregation + WDM mux/demux ~ ~⅟ 5 Rack ~960 SG 34X Existing Headend 2014 I-CCAP Headend ~2017 R-PHY ~2018 R-MACPHY ~2018+ R-CCAP ~2018+ Power Distribution - Fuses Power Distribution - Fuses Power Distribution - Fuses Optical Cable Management Fiber Patch Panel Optical Cable Management Fiber Patch Panel Optical Cable Management Fiber Patch Panel Ether QAM CCAP (E6000 ) Edge Router 11 April 2018 ARRIS Confidential Roadmap Subject to Change 7

Evolution: HFC > RPHY WDM > RPHY DWDM RF CCAP Today Parent served by two fibres Parent - RPHY HFC ~400 HP Target: 64 HP/node RPHY CCAP N MUX N DMUX N DMUX N MUX Splice the Install

8 Evolution: HFC > RPHY WDM > RPHY DWDM RF CCAP Today Parent served by two fibres Parent - RPHY HFC ~400 HP Target: 64 HP/node RPHY CCAP N MUX N DMUX N DMUX N MUX Splice the Install existing Migrate MUXes two Parent fibres and to DMUXes to RPHY MUX/DMUX daytime pairs Install & provision RPHY CCAP Build local fibre and activate RPHY children as needed Please view animated mode

9 RPD Deployment at Scale Boy.. I m glad this RPD stuff is easy 12 April 2017 ARRIS Confidential Roadmap Subject to Change 9

10 Many Evolutionary Options I-CCAP DAA PON Architecture Remote PON OLT FTTH Head-end PON OLT FTTH DAA RFOG FTTH DAA HFC FTTLA/FTTT Normal DAA HFC FTTN I-CCAP RFoG FTTH I-CCAP HFC FTTLA/FTTT I-CCAP HFC FTTN CCAP OLT CCAP Core I-CCAP Enet Optics AM Optics OLT DAA ~1-10 Gbps ~1-10 Gbps xpon Optics AM Coax AM Coax ONU CM CM ~1-25 Gbps w Ext Spectrum? New - FDX ~1-25 Gbps w Ext Spectrum? ~1-200 Gbps w Ext Spectrum? ~1-200 Gbps w Ext Spectrum? ~ Gbps? ~ Gbps? ~ Gbps w Ext Spectrum? ~ Gbps w Ext Spectrum? Fiber Depth +X (X>6) FTTLA (+0) FTTT FTTH 11 April 2018 ARRIS Confidential Roadmap Subject to Change 10

11 Data Plane & WAN & WAN & WAN & WAN Traditional I-CCAP (e.g. I-CCAP DOCSIS System) Purpose Built CCAP Based DPoE System (Aggregation) Operator (CLI) IPDR Collector TOD Server SYSLOG Server SNMP Server DHCP Server File Server 100G WAN Ports Core Router Core Router CLI over SSHv2/ Telnet IPDR Streaming Protocol NTP/ SNTP SYSLOG CCAP Management Interfaces SNMP DHCP FTP/ SFTP/ TFTP Route Fabric Card DCAM, UCAM, & EPFM Client Cards DS UM DS Scheduler DS LM DS PHY US UM US Scheduler US LM US PHY High Speed WAN Ports High Speed WAN Ports Management Plane Management Plane Control Plane (L3) Control Plane (L3) Data Plane (L3) Data Plane (L3) DS TM 10G PHY US UTM US LTM EPON MAC DPoE Mediation vcm vcm Control Plane Active-Active & WAN Active-Active Non-Blocking Access Line Cards x Client Slots DS RF Ports US RF Ports 10G EPON Ports 10G Ethernet using DWDM PON Extender 11 April 2018 ARRIS Confidential Roadmap Subject to Change 10G EPON Ports 11

12 & WAN & WAN & WAN & WAN Traditional I-CCAP (e.g. I-CCAP DOCSIS System) Purpose Built CCAP Based DPoE System (Aggregation) Operator (CLI) IPDR Collector TOD Server SYSLOG Server SNMP Server DHCP Server File Server 100G WAN Ports Core Router Core Router CLI over SSHv2/ Telnet IPDR Streaming Protocol NTP/ SNTP SYSLOG CCAP Management Interfaces SNMP DHCP FTP/ SFTP/ TFTP RPD Disruptions High Speed WAN Ports High Speed WAN Ports Management Plane Management Plane Control Plane (L3) Control Plane (L3) Data Plane (L3) Data Plane (L3) Active-Active & WAN Active-Active Non-Blocking DS UM DS Scheduler DS LM DS PHY US UM US Scheduler US LM US PHY Access Line Cards x Client Slots DS RF Ports US RF Ports 11 April 2018 ARRIS Confidential Roadmap Subject to Change 12

13 & WAN & WAN & WAN & WAN Traditional I-CCAP (e.g. I-CCAP DOCSIS System) Purpose Built CCAP Based DPoE System (Aggregation) Core Router Core Router External Network Interconnect MAC CORE to Remote PHY PE Router 100G WAN Ports L2/3 Network or DS UM US UM DS Scheduler US Scheduler DS LM US LM De-Populated PICs PHY in RPD High Speed WAN Ports High Speed WAN Ports Management Plane Management Plane Control Plane (L3) Control Plane (L3) Data Plane (L3) Data Plane (L3) L2/3 Network or Active-Active & WAN Active-Active Non-Blocking RPD External Network Interconnect Remote PHY to MAC CORE 11 April 2018 ARRIS Confidential Roadmap Subject to Change 13

Closer Look at Ethernet Fabrics Leaf Converged Interconnect Network CIN Topology Layer 2 and or Layer 3 Physical & Logical Mesh Options for Fabric Networks 5RU Spine S-Leaf Roles of Leaf, Spine,

14 Closer Look at Ethernet Fabrics Leaf Converged Interconnect Network CIN Topology Layer 2 and or Layer 3 Physical & Logical Mesh Options for Fabric Networks 5RU Spine S-Leaf Roles of Leaf, Spine, S-Leaf Leaf terminates edges into Mesh Spine is a the backbone of Mesh S-Leaf a MACSEC implementation Leaf Switch serving RPD s Authentication S-Leaf is a NAS NAS in a Controller Discovery for RPD to CORE DHCP Based Relay in the S-Leaf Relay in a Controller RPHY CCAP Leaf Spine S-Leaf CIN Fabrics Enable Consolidation of all Remotes : Remote PHY, Remote MAC, Wireless and Remote OLT PON Services N MUX N DMUX N MUX N MUX 11 April 2018 ARRIS Confidential Roadmap Subject to Change 14

Average BW per 3.85Gb/s Bandwidth per CORE 416.

15 Deploying 1.2 M RPD Based Subscriber Operator Model Non Fiber Deep RPD 250 subs per node Total nodes 4,800 Assume MAC 108 SG ( 44 CORES ) Average SG per Hub 120 Average BW per 3.85Gb/s Bandwidth per CORE 416.5Gb/s Total Hubs 40, Total Headends subs per, Total Hubs per Headend 10 Model leaves spare ports per RU for other services such as PON and ~6.8GB/s bandwidth headroom per SG Downstream Bandwidth determined by MHz, DS NC 16x38Mbps, DS NC D3.0 32x38Mbps, DS 3.1 1xOFDM 162MHz+1x114MHz =5x6MHz@48Mbps, DS BC Video 60 SC-QAMx38Mbps 18 February 2018 ARRIS Confidential Roadmap Subject to Change 15

16 Model an RPD Hub Assume 120 SG in the Hub All SG are shown as RPDs Per BW 3.8GB/s Leaf is: 48 x 10 South + 6 x 40 Uplink 2.5 Leaf Switches required ( 3 ) Each Hub Presents 6 x 40GbE to Dual Spine in Rack R-PHY ~2018 Power Distribution - Fuses Optical Cable Management Fiber Patch Panel Hub 5 RU Fabric WDM to OSP Spine S-Leaf 40 GB *6 240GbE Full Mesh 120 RPD 10GB/s Phy CCAP (E6000 ) 18 February 2018 ARRIS Confidential Roadmap Subject to Change 16

17 Model a Headend Sized to 300,000 Subs Assume 10 Hubs per Headend Per Hub Total Bandwidth 456Gb/s Each Hub Presents 6-9 x 40GbE bandwidth to HE Aggregated onto 100G East - West 100G λtransport to Headend Assumed OTN R-PHY ~2018 Power Distribution - Fuses Optical Cable Management Fiber Patch Panel Hub Rack 5RU Fabric Optionally collapse MAC Core to a Regional MHE CCAP (E6000 ) 120 RPD Serviced Hub 1 18 February 2018 ARRIS Confidential Roadmap Subject to Change 17

Hub 6 Hub 5 Collapsing Headends @10Hubs 1,200 Service Groups Hub 1 Hub 2 Hub 3 Hub 4 λ 1Drop+Add λ 2, λ 3, λ 4, λ 5 Continue λ1drop+continue λ 2, λ 3, λ 4, λ 5 Continue λ2drop +Add λ 1, λ3, λ 4, λ 5

18 Hub 6 Hub 5 Collapsing 1,200 Service Groups Hub 1 Hub 2 Hub 3 Hub 4 λ 1Drop+Add λ 2, λ 3, λ 4, λ 5 Continue λ1drop+continue λ 2, λ 3, λ 4, λ 5 Continue λ2drop +Add λ 1, λ3, λ 4, λ 5 Continue λ2drop +Continue λ 1, λ 3, λ 4, λ 5 Continue λ3drop + Add λ 1, λ 2, λ 4, λ 5 Continue Regional Headend Add Drop 5 x 100G λ s 5λ x 100G Transport λ3drop + Continue λ 1, λ 2, λ 4, λ 5 Continue λ5drop + Continue λ 1, λ 2, λ 3, λ 4 Continue λ5drop + Add λ 1, λ 2, λ 3, λ 4 Continue λ4drop + Continue λ 1, λ 2, λ 3, λ 5 Continue λ4drop + Add λ 1, λ 2, λ 3, λ 5 Continue Hub 10 Hub 9 Hub 8 Hub 7 18 February 2018 ARRIS Confidential Roadmap Subject to Change 18

Remote PHY Timing Dependencies Remote PHY Timing IEEE 1588 Precision Time Protocol (PTP) Types of Clocks Grandmaster Clock (Ultimate Source) Boundary Clock (Slave to Grandmaster) Transparent Clock

19 Remote PHY Timing Dependencies Remote PHY Timing IEEE 1588 Precision Time Protocol (PTP) Types of Clocks Grandmaster Clock (Ultimate Source) Boundary Clock (Slave to Grandmaster) Transparent Clock (Independent Compensation) Packet Delay Variation (PDV) is critical Both CCAP Core and RPD OC slaves to an external Grand Master The network path Between the GM and Core/RPD is 1588 unaware (not a BC nor a TC) Reference Source RPHY CCAP 1588 Grand Master Periodic Sync Messages Max of ~2-3 hops (1588 unaware) between the GM and Core/RPD The 1588 packets must be placed in the highest QoS flow (e.g. DSCP value of 46) in order to maintain reasonable PDV For routed L3 networks, it is a must to ensure that the forward and reverse paths have similar delays between each slave and its master (GM or BC) to ensure accurate 1588 delay calculation Leaf PTP Packet PDV impact through non-participant hops Spine S-Leaf 1588 Boundary N MUX N DMUX 1588 Re-Stamp N MUX N MUX 16 September 2017 ARRIS Confidential Roadmap Subject to Change 19

20 Installing Remote Phy Process Flow to the Field Technician Dispatched for Cut In Inventory Technician Work Order associated with RPD Unique ID Truck loaded per Work Orders from Staged Inventory RPD Installed in plant Tech uses Workforce tool to check install with operator back office provisioning & assurance Work Order closes once RPD status is online OSS Inventory Workforce integrated Inventory Inventory Matched to Install Inventory-less Tech selects Remote from Truck ARRIS vmanager Inventory-less Technician pulls RPD from staged inventory RPD Installed in plant Technician uses App to activate RPD into Service Group RPD is status online Workforce ARRIS vmanager 11 April 2018 ARRIS Confidential Roadmap Subject to Change 20

Onboarding RPD Process Flow Power on to In Service RPD authentication at the Network Discovery of Principle & AUX Cores via DHCP L2TPv3 Tunnel Setup to

21 Onboarding RPD Process Flow Power on to In Service RPD authentication at the Network Discovery of Principle & AUX Cores via DHCP L2TPv3 Tunnel Setup to CORE(s) Authentication Encryption Pseudo wires for DEPI and UEPI and OOB paths In Service 11 April 2018 ARRIS Confidential Roadmap Subject to Change 21

pre-standards state When deployed, solution for US exhaust scenarios and Competitive Symmetrical Services such as Commercial Data US DS Spectrum 5

22 Crossover Reaching N+0 realizes FDX DOCSIS Augmenting Upstream for Symmetrical Service 10G DS x 5G US is the target BW 684 MHz US versus 42 or 85 MHz today The biggest change in FDX is the expanded upstream spectrum Optimized for Fiber Deep (+0) with DOCSIS Remote PHY s Currently FDX is in a pre-standards state When deployed, solution for US exhaust scenarios and Competitive Symmetrical Services such as Commercial Data US DS Spectrum US Spectrum DS Spectrum FDX Band Freq Freq 11 April 2018 ARRIS Confidential Roadmap Subject to Change 22

23 Last Mile Technology Options Going Forward Different MSOs may choose to use Different Options on this list at Different Times in Different Orders MSOs have a real path today toward bandwidth in future 2040 terms 11 April 2018 ARRIS Confidential Roadmap Subject to Change 23

Copyright 2018 ARRIS JANUARY Enterprises, 2018 LLC.

Evolution of HFC Network

4º Workshop AMX Brasil Panel B2 Evolution of HFC Network Hugo Amaral Ramos - CALA CTO Fiber to the Home is the right direction to go Http All IP Video is the Right Way to Go http All IP What is Driving