Private 5G or Wi-Fi 6? – Both! Jan Gahde Product Specialist September 2020 Mobility is a major IT trend, largely enabled by Wi-Fi Enterprise Data Growth 12 billion mobile devices by 2021 Over 3 billion Wi-Fi devices hit the market every year © 2017 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Wireless technology is dominating digitization Workplace © 2017 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Vertical Markets Rising requirements for wireless networks More Demanding Apps Apps Must Work Ubiquitously AR Field Services Enterprise Inside here Service Provider Remote Control/Operation Heterogeneous Network Context VR Collaboration Intent-based Networking © 2017 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Enterprise QoS / Security Policy Both 5G and Wi-Fi 6 are next generation wireless technologies The two dominant wireless access ecosystems in the world are in transformation today © 2017 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 5G & Wi-Fi 6 promise the same capabilities Higher data rates & lower latency Increase in network capacity IoT at scale Support new applications and outcomes Seamless Connectivity Explosion of devices including IOT © 2017 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Wi-Fi 6 mainstreams well ahead of 5G SA Wi-Fi 6 First clients First APs 2018 Timeline to reach technology & ecosystem maturity Full-featured APs 2019 Massive proliferation of clients 2020 2021 2022 2023 and beyond Potential 5G SA* initial URLLC Devices Ubiquitous use cases Fixed Fixed Carrier rollout globally in all Wireless Wireless in (majority with Massive major cities begins curb to home/ NSA*) n select mainstream SMBs (5G cities in US, Expected initial 5G NR WAN) Enterprise Use Japan, China roll-outs © 2017 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Cases on 5G SA* *Non-Standalone/ Standalone 5G Wi-Fi and 5G are complementary Wireless technology 5G Optimization for Outdoor Wi-Fi Private 5G Outdoor + Indoor Coverage Indoor Capacity, density Target applications Outdoor Workers Outdoor Assets Data and experience Carrier managed © 2017 Cisco and/or its affiliates. All rights reserved. Cisco Confidential ownership AR/VR Apps Field production Production Carpeted Enterprise owned Wi-Fi 6 has improved capabilities to support new applications and scenarios Higher data rates • 1024-QAM for up to 9.6 Gbps per radio and single-antenna speeds of 1.2 Gbps Increase in overall network capacity • 3x to 4x more throughput than Wi-Fi 5 via OFDMA • 8x8:8SS • Up to 4x capacity gain in dense scenarios with BSS coloring • Enables next-generation 4K/8K and AR/VR video • Multiuser MIMO gains on all client types © 2017 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Reduced latency and greater reliability • Scheduled uplink and downlink OFDMA for deterministic “cellular-like” latency, reliability, and QoS • Optimized for IoT scale with hundreds of devices per AP Improved power efficiency • Up to 3x better battery life with Target Wake Time (TWT) • New coding structure and signaling procedures for better transmit and receive efficiency Wi-Fi 6 and 5G use similar technologies Performance Low Latency QoS SLA OFDMA OFDMA 1024 QAM 10 bits per symbol Up to 256 QAM 8 bits per symbol Massive MU MIMO & Beamforming Flexible NR Protocol © 2017 Cisco and/or its affiliates. All rights reserved. Cisco Confidential MU MIMO & Beamforming Overlapping Channels Wi-Fi 6 with OFDMA provides determinism at scale: Enabling highquality voice/video/data services cost effectively Wi-Fi 6 (ax) Wi-Fi 5 (ac) CBP* Consistent DATA throughput Throughput (Mbps) Latency (ms) Linear VOICE delay *Cisco Best Practice Client Count Source: Cisco sponsored research Wi-Fi 6 (ax) Wi-Fi 5 (ac) Client Count Wi-Fi 6 is not only cost-effective & ubiquitous but is now capable of delivering SLAs © 2017 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Source: Cisco sponsored research Wi-Fi 6 potential throughput @ 80/160 MHz (depending on # of Spatial Streams/MCS) @ 80 MHz @ 160 MHz BW (MHz) # Spatial Streams MCS (QAMr5/6) PHY Rate (Mbps) MAC Throughput (Mbps)* 80 1 1024 600 420 80 2 256 960 672 80 2 1024 1200 840 80 3 1024 1800 1260 80 4 256 1921 1344 80 4 1024 2402 1681 80 8 1024 4804 3362 160 1 1024 1200 840 160 4 1024 4804 3362 160 8 1024 9607 1x1 Smartphones: 420 Mbps* 2x2 Tablets/Laptop: 840 Mbps* 3x3 High End Laptops: 1,26 Gbps* © 2017 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Wi-Fi 6 max. throughput * Based on 70% MAC efficiency Security Considerations 5G Air Interface Security Subscriber Security Identity: SUPI & SUCI mechanism (address 3/4G vulnerabilities) Auth: EAP-AKA or 5G-AKA • • Identity: Enterprise identity Framework applied Auth: Via enterprise authentication framework SEcurity Protection Proxy (SEPP) function enhance roaming interface security preventing Diameter source address spoofing & SS7 rerouting attacks • • Within Enterprise/Roaming domain Globally: OpenRoamiing (Cisco Solution) Encryption: SNOW 3G, AES-CTR, and ZUC Integrity: SNOW 3G, AES-CMAC, and ZUC. Key AHMAC-SHA-256. • • Roaming Interface • 192-bit minimum-strength security protocols Encryption: 256-bit Galois/Counter Mode Protocol (GCMP-256) & OWE for open networks, Key HMAC-SHA384 • • • • Wi-Fi 6 3GPP TS 33.501 Security framework defined by 3GPP – mainly driven by SIM/eSIM use cases • • WPA3 Enterprise can integrate security and policy framework with enterprise policy (e.g. IBN with ISE/DUO etc) © 2017 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 13 What Spectrum do Wi-Fi 6 and 5G Use? 24GHz 6GHz 100GHz N77-78 bands 3.3-4.2GHz <1GHz Mid Band Low Band High Band (e.g. mmWave) 24.25-52.6 GHz Frequency Range 2 (FR2) 5G NR 5G NR (mMIMO) 10Gbs 1-2Gbs 5G NR mmWave (muMIMU & BF) Licensed or Managed Spectrum 100Mbs <10Gbs 2.4 GHZ LOW 5 GHZ Unlicensed Bands (Spectrum) 6Ghz MEDIUM HIGH Data Rates (Throughput) VERY LOW Coverage Area & Penetration DENSIFICATION Challenge V HIGH MEDIUM © 2017 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Will NOT penetrate building walls, glass or even human body New Use cases with Wi-Fi 6 Enhanced mobile broadband Mission critical services Massive scale IOT Higher performance to mobile devices Ultra reliable and low latency applications Support a high density of IoT devices • 50 Mbps or higher to every user in dense environments • Process automation, Automatic Guided Vehicles, Real-time analytics • Asset tracking, Context based services, Electronic Payments • Enhanced video (4K, 8K), AR/VR, Immersion Experience, • Next gen e-classrooms, Stadiums, Modern Workspaces © 2017 Cisco and/or its affiliates. All rights reserved. Cisco Confidential • Manufacturing, Remote healthcare, Warehouses • "Live" connectivity • IT & IOT Integration, Automation • Hospitality, Retail, Smart Buildings Enterprises will not use one wireless technology User Data Profiles WiFi -> WiFi 6 • • • • General Purpose Local Data Mobility Self-Management Streaming Media Inexpensive Endpoint Low Power High Bandwidth Private Shared (2.5-4.2Ghz) • General Purpose • Local Data Mobility • Self-Management • Interactive Media 5G • • • • mmWave Fixed Wireless Wireless Backhaul Interactive Media Network Slicing LTE-A / 5G Sub-6Ghz • Macro Mobility • Protected Coverage • Voice and Messaging • Streaming Media © 2017 Cisco and/or its affiliates. All rights reserved. Cisco Confidential High Density Low Latency Deep Penetration Low Interference Long Distance Wifi 6 and (private) 5G Wifi 6 5G Frequency 2,4 and 5 Ghz 3,7 - 3,8 Ghz Frequency usage unlicensed / free licensed with fee Peak Data Rate (Therory) 9,6 Gbps 20 Gbps Modulation OFDMA OFDMA Latency (Client <-> Radio) a few ms (depending on Load of the Radiocell) 1-10ms Authentication optional mandatory Authentication method Password or Certificate SIM-Card or eSIM Deployment Complexity low to high (depending on Features) very high Deployment Modes various, from eWLC to DNA-C always "Full Stack" Guest Access Modes various none Availability of Hardware good limited © 2017 Cisco and/or its affiliates. All rights reserved. Cisco Confidential A few other clear differences Neutrality Data Perimeter Device Support Consumption Cost = Global compatibility – BYOD, Guest No Lock-In Enterprise has full control over data perimeter Wi-Fi 6 apps can support previous generation devices Any consumption model possible DIY, aaS, MS. No spectrum dependence Lost cost devices and low cost infrastructure Geo specific bands with device Lock-In to carrier Depends on if Private network or if SP service what SP offer 4G devices not compatible with 5G networks Models driven by availability of spectrum Higher cost devices and higher cost, more complex, infrastructure © 2017 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Wi-Fi architecture has a smaller footprint than 5G Authenticates and Authorises users using external subscriber DB and assigns security policy User Equipment Identity DB LDAP Identity Services Engine Base Station DNAC ISE WiFi Client Radius WiFi AP CAPWAP Ethernet WLC Switch/ Router Wireless LAN Controller Enterprise Network Provides simple single point of management and configuration for multiple WiFi APs. Mobility anchor © 2017 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Enterprise controller, fulfilment, analytics and assurance How will Private 5G Networks be Deployed? SP Shared RAN Isolated Network Public Network Subscriber Information Mobility Mgmt Gateway Radio Access Network Local Services Subscriber Information Mobility Mgmt Mobility Mgmt Subscriber Information Mobility Mgmt Private Enterprise Gateway Local Services Subscriber Information Gateway SP Shared RAN and Control Plane Mobility Mgmt Gateway SP Shared RAN, Control Plane and User Plane Gateway CNTL + UPF Radio Access Network Private Enterprise Subscriber Information Radio Access Network Private Enterprise Public Network Public Network Public Network Subscriber Information Mobility Mgmt Gateway Radio Access Network Local Services Gateway UPF © 2017 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Private Enterprise Local Services Enterprise Owns & Manages How will Enterprises consume Private 5G and Wi-Fi Services? Enterprise Controller Controller Enterprise IT / OT Wi-Fi SP Manages Some Services for Enterprise Private LTE / 5G Enterprise Domain Enterprise IT / OT Managed Service Network Operations SP Manages All Services for Enterprise Enterprise Controller Controller Controller Managed Service Network Operations Enterprise Controller Controller Controller Wi-Fi Private LTE / 5G Public LTE / 5G Enterprise IT / OT Wi-Fi Enterprise Premise Private LTE / 5G Public LTE / 5G Service Provider Domain Enterprise Premise © 2017 Cisco and/or its affiliates. All rights reserved. Cisco Confidential Service Provider Domain Enterprises need network management solutions that include all access technologies Network management Public Cloud Private Cloud SDLAN Other Sites 5GC + vRAN • • • • • • Complete network management solution as single pane of glass Simplified workflows Policy management Monitoring Integrated security Automation for provisioning Services © 2017 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 22 Key messages Organisations should focus on the right technology with the right delivery model for the use cases - not on any particular access technology. WI-FI 6 and 5G are complementary and will co-exist. Organisations need to look at fully integrated offerings to avoid silo solutions that are far away from company policies and standards. © 2017 Cisco and/or its affiliates. All rights reserved. Cisco Confidential
