5G: The Software Network and Virtualization Opportunities J-L. Beylat, VP European programs, Bell Labs, Alcatel-Luc
Challenging scenarios
WHAT ARE WE TRYING TO BUILD? THE HIGHEST PERFORMANCE NETWORK? (BW, Latency, Availability, Programmability) THE LOWEST COST PER BIT NETWORK? (Capex, Opex, inc. Energy) THE MOST PERSONALIZED NETWORK? (User-optimized, Predictive, Sentient?) ALL OF THE ABOVE BUT WHY? 3
TO SERVE HUMAN NEEDS Hierarchy of Human Needs (Based on Maslow Model) And help others achieve too And feel that we have achieved something To allow time to appreciate life And knowledge & wisdom To acquire status and respect And connect, communicate & collaborate Securely To live 4
WE NEED TO BUILD THE NETWORK OF YOU THAT Allows you to connect, communicate and collaborate with PEOPLE PLACES POSSESSIONS 5
WE NEED TO BUILD THE NETWORK OF YOU THAT Creates time by creating a virtual you but how and when? 6
THE WORLD IS CHANGING FASTER THAN EVER 1.5B TABLETS (2017) 2B WEARABLES (2018) CUMULATIVE UNITS 6.5B M2M CONNECTIONS (2017) 6.5M CLOUD SERVERS (2015) 0.5B SDN INVESTMENT (2013) 0 1 2 3 4 5 6 7 YEARS AFTER INTRODUCTION 7 ALCATEL-LUCENT CONFIDENTIAL SOLELY FOR AUTHORIZED PERSONS HAVING A NEED TO KNOW PROPRIETARY USE PURSUANT TO COMPANY INSTRUCTION
SERVICE PROVIDER CLOUD SERVICES 1B SESSIONS DELIVERED WEBSCALE VALUE CREATION THE CHALLENGE WEBSCALE & ENTERPRISE
THE UBB FUTURE: SOLVING THE RADIO CAPACITY PROBLEM 2x 10x more 3x more 2x MORE SPECTRAL EFFICIENCY (Bits/Sec/Hz) MORE SPECTRUM (Hz) 5G WIRELESS CAPACITY MORE SPATIAL EFFICIENCY (Bits/Sec/Hz/User) >10x THE FUTURE OF WIRELESS IS SMALL...AND WIRED (CONVERGED) 3x more 9 N
Broadband efficiency Integrate all available spectrum New air IF Licensed, Shared & Unlicensed spectrum Mm-wave MORE SPECTRUM (Hz) Smart approaches: - target user experience - cross- layer optimization --> Less bits per service Unified framework for multiantenna Efficient support (massive) MIMO MORE SPECTRAL EFFICIENCY (Bits/Sec/Hz) INCREASE CAPACITY MORE SPATIAL EFFICIENCY (Bits/Sec/Hz/User) Small cells Flat architecture Interference handling One step: Integration of design
THE UBB FUTURE: THE WIRELINE ANSWER CO-Home Distance (km) Mbps per subscriber Mbps per subscriber (DS) Node-Home Distance (km) 1 25 0.1 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5 10 1 20 10 50 20 80 50 100 120 75 150 100 300 300 500 10-20x MORE SPECTRUM (Hz) 500 1000 1 1000 1 2 3 4 EFFICIENCY 5 6 8 10 EFFICIENCY 12 14 (Bits/Sec/Hz) 0.1 0.5 (Bits/Sec/Hz/User) 2x MORE SPECTRAL WIRELINE CAPACITY DS/US ratio MORE SPATIAL 5x LOWEST COST PER MBPS/SUB LOWEST COST PER MBPS/SUB 100 ADSL2+ DOCSIS Bonded 3.1 ADSL2+ (WITH NODE SPLITS) FTTLA VSDL2 FTTH (GPON) VDSL2 + Vectoring BondedVDSL2 + Vectoring 1 GPON/G.Fast Bell Labs Modeling THE FUTURE OF WIRELINE IS DEEP FIBER... AND SHORT COPPER LOOPS
NETWORK OPERATORS Assets: Ultrabroadband Access New Services: Limited and Closed E/R: Increasing Network spend, flat revenue Innovation Speed: Years WEBSCALE OPERATORS Assets: Massive global compute and storage New Services: Limited but Open APIs to Web E/R: Increasing DC spend, growing revenue Innovation Speed: Days IP TECHNOLOGIES IT TECHNOLOGIES THE NEW OPPORTUNITY
THE REVOLUTION: SOFTWARE-DEFINED NETWORKS CREATE & EXPOSE VIRTUAL PRIVATE NETWORKS (OF VNFs AND PNFs) SDN NFV CREATE & MANAGE VIRTUAL NETWORK FUNCTIONS (VNFs) SCALE THE BUSINESS SCALE THE NETWORK AND NETWORK FUNCTION VIRTUALIZATION
WHY NFV? VIRTUALIZED APPLICATION PHYSICAL INTERFACES TOR APP VM VSWITCH HYPERVISOR Application A SWITCH STORAGE SERVER SERVER SERVER Application B Application C MEMORY NETWORK PROVIDER DATA CENTER COMPUTE SERVER SERVER SERVER Application(s) X IT DATA CENTER SERVER CARD
WHY & WHEN NFV? HIGH MEDIA SERVERS & CDN CPE MEDIA GATEWAYS NETWORK APPLIANCES DYNAMIC CONTROL GAIN EDGE ROUTERS PACKET GATEWAYS RADIO ACCESS NETWORK CONTROL PLANE FUNCTIONS NETWORK APPS (IMS) CHARGING APPLICATIONS EMS/NMS ANALYTICS PLATFORMS NFV/SDN CONTROL YES MAYBE NEVER CORE ROUTERS & 100G+ SWITCHES FTTx, RF, COHERENT OPTICAL, CMTS OSS/BSS NOW LOW LESS COST GAIN MORE
WHAT AND WHY SDN? GLOBAL NETWORK WAN CLOUD PLATFORM APP APP X SDN CONTROLLER NP NP NP NP NPNP NPNP TOR TOR TOR TOR APP I m here and I m App X APP APP APP APP Automatic, Optimized IP Networking & Transport Massive (Ms of VMs) Scalability No VM limitations Any User IP @ Multi-tenant Security ANY NETWORK ANY NETWORK 16 ALCATEL-LUCENT CONFIDENTIAL SOLELY FOR AUTHORIZED PERSONS HAVING A NEED TO KNOW PROPRIETARY USE PURSUANT TO COMPANY INSTRUCTION
THE ESSENTIAL BUSINESS VALUE OF NFV + SDN WEBSCALING THE NETWORK 17 ALCATEL-LUCENT CONFIDENTIAL SOLELY FOR AUTHORIZED PERSONS HAVING A NEED TO KNOW PROPRIETARY USE PURSUANT TO COMPANY INSTRUCTION
STARTING POINT: SEPARATE NETWORKS 18
THE START OF TOR vcpe vcpe vcpe vpe vfan vfan VINE SDN CONTROLLER TOR vcdn vcdn vcdn vcdn vcdn vcdn TOR vran vran vran vran vran vran VINE Node TOR vbng vbng vsgw vsgw vsgw vpgw WAN SDN CONTROLLER L2 CPE vpe Router Federation Enterprise DC Base Station w/l1 SDN Enabled L2 CPE SDN Enabled L2 CPE SDN Enabled (Small/L1) Access Node SDN-Enabled OLT SDN Enabled Router SDN Enabled Packet- Optical Node Virtualized Integrated Network Edge Access Metro Core DC SDN CONTROLLER Federation Fixed, Mobile & Enterprise Service Core (IMS/VoLTE, AAA, OSS/BSS) Core Router Internet THE NEXT WAVE
Bringing It all Together Building the Infinite Capacity, Adaptable Network Monitor, control, and manage failures to achieve the expected customer experience. CONSUMERS BUSINESSES HOMES UBB ACCESS Optimized Experience Graceful Failure Optimized Placement DYNAMIC CLOUD vnf vnf vnf vnf vnf SDN Cross-Layer Control Use analytics-driven placement of functions within heterogeneous pools of network, storage, and compute resources. Zero Contention CLOUD OPTIMIZED PLATFORM CLOUD OPTIMIZED ROUTING Monitor customer experience. Balance customer needs, application characteristics, and network conditions. Provide network wide, application-aware command and control capabilities. PROGRAMMABLE NETWORK Anticipate, prevent, and resolve shared resource conflicts.
TECHNOLOGY & ARCHITECTURE SHIFTS IP IP WIRELESS STATIC CLOSED IT OPTICAL WIRELINE DYNAMIC OPEN CENTRALIZED DISTRIBUTED
conclusion CONVERGE: WIRELINE+WIRELESS; IP+OPTICAL; BUSINESS+CONSUMER; OPCOs+OSSs TRANSFORM: LEGACY TO IP; COMPLEXITY TO SIMPLICITY; BYTES TO SERVICES VIRTUALIZE: ALL SW AND LOWER CAPACITY SYSTEMS DISTRIBUTE: CLOUD AND NETWORK FUNCTIONS; NODES AND CELLS OPTIMIZE & AUTOMATE: EVERYTHING, EVERYWHERE, ALWAYS 22
THE TIME IS NOW 23