Introduction to Distributed Access Architecture DAA RPhy SCTE

Introduction to Distributed Access Architecture (DAA) / R-Phy SCTE Aston, PA July 2018 ARRIS Confidential The ARRIS product roadmaps contained herein are for discussion purposes only to demonstrate our thoughts behind the evolutionary development of the ARRIS product offerings. ARRIS is not obligated to develop the software or hardware with the features and functionality discussed in these materials. The roadmaps are subject to change. Copyright 2017 – ARRIS Enterprises, LLC. All rights reserved.

Agenda • What is Distributed Access Architecture – Description – Benefits & Drawbacks / Use cases – Forms of DAA • Deeper Dive: Remote PHY – Standards (include Open. RPD) and Interop – Ecosystem • Beyond Remote PHY Copyright 2017 – ARRIS Enterprises, LLC. All rights reserved. July 18, 2017 ARRIS Confidential and Proprietary 2

What Is Distributed Access Architecture? Copyright 2017 – ARRIS Enterprises, LLC. All rights reserved.

Techniques and solutions for increasing bandwidth capacity • Better encoding algorithms DOCSIS 3. 1 Ongoing HFC improvements Fiber Deep Node Splits SDV CCAP Home Gateways Copyright 2017 – ARRIS Enterprises, LLC. All rights reserved. • Better modulators • Expanded frequency • • range/modified split Better optics Frequency reuse/bandwidth reclamation Denser space/power Reduced in-home losses July 18, 2017 ARRIS Confidential and Proprietary Distributed Access Architecture 4

Centralized & Distributed HFC Access Architectures MSO Facility Node / Gateway Optical Xmtr Fiber RF Optical Rcvr Signals RF Signals Remote PHY Node Digital Optics DEPI/UEPI/ GCP/OOB Digital Optics (Optical Ethernet / G. 709 / PON) PHY DAC (DS) PHY ADC (US) Digital Optics RF Signals Distributed Access Architecture (DAA) – Remote MACPHY MLSR Remote MACPHY Node Digital Optics (Optical Ethernet / G. 709 / PON) M LSR OTN-G. 709 AWG P 2 P NG-EPON NG-PON 2 10 G EPON 10 G Ethernet Hybrid Fiber Coax R-DTI 10 G EPON 10 G Ethernet DEPI/UEPI/GCP M LSR OOB HFC Node Distributed Access Architecture (DAA) - Remote PHY CCAP MAC Core OOB Amplitude Modulation Copyright 2017 – ARRIS Enterprises, LLC. All rights reserved. Digital Optics OOB MAC PHY ADC (US) Amplitude Modulation R-DTI M LSR MAC PHY DAC (DS) MAC (US) Passives Centralized Access Architecture – I-CCAP MAC (DS) Actives MAC (DS) MAC (US) PHY DAC (DS) PHY ADC (US) Digital Optics July 18, 2017 ARRIS Confidential and Proprietary RF Signals 5

Distributed Architecture Benefits Increase HFC Bandwidth Capacity Better end-of-line signal quality Better spectral efficiency More wavelengths, better reach Reduce headend power, space, and cooling requirements; hub consolidation Operational Efficiencies Add QAMs without changing RF combining network, plant balance Partitions scope of change on a node-by-node basis Digital fiber “set and forget” Extend IP network to the node IP Convergence Alignment with FTTx build-out Leverage standards-based interconnectivity & economies of scale Copyright 2017 – ARRIS Enterprises, LLC. All rights reserved. July 18, 2017 ARRIS Confidential and Proprietary 6

Headend Space: Case Study - I-CCAP, multiple nodes per SG Power Distribution - Fuses Power Distribution - Fuses Optical Mux Optical Demux TX AM Optics RX AM Optics Optical Transport Optical Demux Optical Mux RX AM Optics TX AM Optics TX AM Optics RX AM Optics RX AM Optics TX AM Optics RX AM Optics DS BC/NC Combining DS SG/Node Splitting Return US Combining RX AM Optics DS BC/NC Combining Return RF Splitter BC Distribution Return RF Splitter I-CCAP Return RF Splitter OOB RF Combining ARPD RF Combining OOB OOB ARPD Copyright 2017 – ARRIS Enterprises, LLC. All rights reserved. July 18, 2017 ARRIS Confidential and Proprietary 7

Headend Space: Case Study - CCAP Core, single node per SG Power Distribution - Fuses Fiber Mgmt Rapid Fire Patch Panel Optical Mux/Demux Spine Ethernet Switch Daa. S Switch – 48 ports CCAP Core Copyright 2017 – ARRIS Enterprises, LLC. All rights reserved. July 18, 2017 ARRIS Confidential and Proprietary 8

DAA Solutions • Virtual Hubs • Node-based Ethernet • Node-based QAM Modulators • Node-based x. PON OLT • Remote MACPHY / v. CCAP / Remote CCAP • Remote PHY (Cable. Labs MHAv 2) • Full Duplex DOCSIS (FDX) Copyright 2017 – ARRIS Enterprises, LLC. All rights reserved. July 18, 2017 ARRIS Confidential and Proprietary 9

Key RPHY Benefits vs RMACPHY R-MACPHY Vendor Ecosystem and Standards • More vendor competition—can choose • No cable-specific networking protocols best-in breed for Core/Node separately. • Ethernet /PON spec maturity (vs • More scope for virtualization DEPI/UEPI/GCP) • DEPI/UEPI/GCP explicit specifications • No need for R-DTI clock Node • • MAC Scaling • MAC and PHY can scale independently • Supports Multi-Gbps MAC for FDX • Can support small scale / “as needed” deployment better • Shorter distance from MAC to subscriber – possible latency benefits Operations • Management and provisioning similar to I-CCAP • Supports existing I-CCAP vendor enhancements without needing multivendor Core/PHY interop Copyright 2017 – ARRIS Enterprises, LLC. All rights reserved. Less power, lower module cost • Doesn’t require Core/RPHY “handshake”— Simpler software (less risk of “bricking”) operates as an Ethernet/IP-attached device Can fit in smaller footprint • Headend becomes agnostic to ”flavor” of DAA Lower thermal profile (DOCSIS, PON, Wi. Fi, …) July 18, 2017 ARRIS Confidential and Proprietary 10

What Is Remote PHY? - Standards and Interop Copyright 2017 – ARRIS Enterprises, LLC.

Cable. Labs MHAv 2 Specifications www. cablelabs. com/specs DOCSIS Modular Headend Architecture • CM-SP-R-PHY (Remote PHY Specification) aka “R-PHY” • CM-SP-GCP (Generic Control Plane Specification) aka “GCP” • CM-SP-R-DEPI (Remote Downstream External PHY Interface Specification) aka “R-DEPI” • CM-SP-R-UEPI (Remote Upstream External PHY Interface Specification) aka “R-UEPI” or “UEPI” • CM-SP-R-DTI (Remote DOCSIS Timing Interface Specification) aka “R-DTI” • CM-SP-R-OOB (Remote Out-of-Band Specification) aka “R-OOB” • CM-SP-R-OSSI (Remote OSSI) aka “R-OSSI” • CM-SP-DRFI Appendix D • CM-TR-MHAv 2 (Modular Headend Architecture v 2 Technical Report) • CM-TR-DCA (Distributed CCAP Architectures Technical Report) • Also – Cable. Labs Remote PHY ATP working group (ATP-Init, ATP-Service, ATP-Management) – Cable. Labs Open. RPD software working group Copyright 2017 – ARRIS Enterprises, LLC. All rights reserved. ARRIS Confidential and Proprietary July 18, 2017 12

Remote PHY Interoperability • Cable. Labs® Interops – Monthly in Denver, starting December 2016 • Cable. Labs Dry Run – First ATP Dry Run July 24 -Aug 4, 2017 • Cable. Labs Qualification – Ongoing • Customer-driven activities • Vendor-driven activities Copyright 2017 – ARRIS Enterprises, LLC. All rights reserved. July 18, 2017 ARRIS Confidential and Proprietary 13

Interoperability: Cable. Labs Open. RPD Software Working Group • Framework for multi-vendor collaboration , with an emphasis on spec interpretation • Started March 2016 Copyright 2017 – ARRIS Enterprises, LLC. All rights reserved. July 18, 2017 ARRIS Confidential and Proprietary 14

What is included in the Open. RPD software? • Open. RPD software modules are a CLI subset of an RPD’s software suite GCP – Target Open. RPD modules include CLI, OOB HAL GCP, DEPI, UEPI, HAL, L 2 TPv 3 – Other modules will be either developed in-house or licensed from third-party suppliers – Focus on interpretation for interoperability MACSec Legends: Open Source Modules, under preexisting licenses Copyright 2017 – ARRIS Enterprises, LLC. All rights reserved. July 18, 2017 ARRIS Confidential and Proprietary Open. RPD Module, under Apache Vendor proprietary modules ? Or open sourced ? 15

What Is Remote PHY? - CCAP Core and Remote PHY Device (RPD) Copyright 2017

R-PHY Internal Components • Also: Security, Management, Out of Band Copyright 2017 – ARRIS

Cabinet TX Remote Shelf RX CCAP Core v. Core Switch 10 Gigabit Ethernet 10 Giga Gi ga Video E 6000 I-CCAP TX bit Eth er ne t Remote Shelf bit Ethe r net or a nalog fib er link Remote PHY Node TX RX Copyright 2017 – ARRIS Enterprises, LLC. All rights reserved. HFC Node Analog f iber link RX Anal MDU <250500 HP <250 HP og fib er lin k x 32 Digital link Analog link Headend or Datacenter MDU Mininode RFo. G / CWDM 8 -40 HP 10 RF-Comb. Management / Monitoring OOB x 32 Remote PHY Access Architecture Variations Small Headend/Hub July 18, 2017 Cabinet OBI Free RFo. G ONU SFU Outside Plant / Home ARRIS Confidential and Proprietary

How Does the Ecosystem Change? - Data, Switching, Timing, OOB, Video Copyright 2017 –

Ethernet Switch Considerations • • IPv 6 vs IPv 4 PTP/IEEE 1588 Transparent Clock DHCP Relay Security (MACSec, 802. 1 x) Multicast Features IEEE 802. 3 ad/LACP Open. Flow (future SDN) Port mix (100 G, 40 G, 10 G) Copyright 2017 – ARRIS Enterprises, LLC. All rights reserved. July 18, 2017 ARRIS Confidential and Proprietary 20

IEEE 1588 Precision Time Protocol (PTP) Grandmaster Clock • Receives a GPS input as a primary reference for high-precision packet network synchronization • Vendors at Cable. Labs as of July 2017 – Microsemi – ADVA Copyright 2017 – ARRIS Enterprises, LLC. All rights reserved. July 18, 2017 ARRIS Confidential and Proprietary 21

Video OOB Support (SCTE 55 -2) from CM-SP-R-OOB-I 05 -170111 Copyright 2017 – ARRIS

Video OOB Support (SCTE 55 -1) from CM-SP-R-OOB-I 05 -170111 Copyright 2017 – ARRIS

Other OOB Signals • • • Leakage AGC Alignment and other pilot tones Sweep Telemetry (Ingress detection, amp control, etc) Depending on vendor solution, these can be supported natively or via NDF/NDR or forward/return HFC overlay Copyright 2017 – ARRIS Enterprises, LLC. All rights reserved. July 18, 2017 ARRIS Confidential and Proprietary 25

Legacy HFC Architecture (Video + DOCSIS) Ethernet/IP Network Reverse Path Demodulator (ARPD) Video Back office App. OOB Modulator Analog Video EQAM Broadcast Bulk Encryptor RF Combine Network Analog Optics Video Source Internet 500 subs Amps XMIT RG CPE RCVR EQAM VOD/SDV Router Copyright 2017 – ARRIS Enterprises, LLC. All rights reserved. CMTS DOCSIS July 18, 2017 ARRIS Confidential and Proprietary 26

DOCSIS + Video with Remote PHY Video Back office App. OOB Modulator Analog Video Source EQAM Broadcast Bulk Encryptor RF Ethernet/IP Combine Network Reverse Path Demodulator L 2/L 3 Switch Provides IP Multicast Routing Ethernet/IP Network Copyright 2017 – ARRIS Enterprises, LLC. All rights reserved. CCAP CORE VOD/SDV (FD or FTTLA) Node-1 250 subs RPD Node-2 250 subs CPE RG CPE RPD Digital Optics L 2/L 3 Network Router Node + 0 (No Amps) CPE RG CPE IGMP/MLD Joins EQAM VOD/SDV Internet Node with RPD but no Analog Overlay saves power and reduces the form factor of the Node Legacy Video equipment need to provide Ethernet IP packets instead of RF as output Multicast DEPI is utilized to: • Send broadcast video stream to multiple Nodes • Combine multiple Nodes into one Service Group (for VOD and DOCSIS data) • Multicast replication performed by external L 2/L 3 switch in the network • Primary Core manages RPD-Multicast Group mapping • • July 18, 2017 ARRIS Confidential and Proprietary 27

Is DAA Right for You? - Migration considerations, and what comes next? Copyright 2017

Is DAA right for you? • Does it solve a problem for you cost-effectively? In the right timeframe? • Is it in line with your corporate strategy? • Does it provide sufficient flexibility to avoid stranded investments? – – – Video infrastructure (broadcast, narrowcast, conditional access) Data bandwidth capacity, DOCSIS 3. 1, FDX, US/DS split, frequency expansion OOB infrastructure Fiber build out HFC distances / hub consolidation / inside and outside plant infrastructure Personnel expertise and training, competitive services Copyright 2017 – ARRIS Enterprises, LLC. All rights reserved. July 18, 2017 ARRIS Confidential and Proprietary 29

What’s Next? Evolution, not Revolution v. CCAP FDX Remote PHY v. Hub v. Core ? ? ? Node PON Copyright 2017 – ARRIS Enterprises, LLC. All rights reserved. July 18, 2017 ARRIS Confidential and Proprietary 30

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