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5G and Open Reference Platforms

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This presentation covers an industry perspective and a roadmap towards 5G with open and democratized interfaces. It covers examples of open reference platforms and how open source communities can complement standard bodies such as 3GPP and IEEE. It characterizes RAN and user and control plane core micro services and discusses opportunities for embedded network telemetry for emerging machine learning applications.

Speaker: Tom Tofigh, Principal Member of Technical Staff (Architect) at AT&T

Publicada em: Software
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5G and Open Reference Platforms

  1. 1. © 2015 AT&T Intellectual Property. All rights reserved. AT&T and the AT&T logo are trademarks of AT&T Intellectual Property. AT&T Proprietary (Internal Use Only). Not for use or disclosure outside the AT&T companies except under written agreement. Intersection of 5G and Open Reference Platforms Tom TOFIGH, PMTS , AT&T
  2. 2. Driving Force for 5G and Beyond Disruptive Network Connectivity Better, Faster, Flexible, Elastic Access , edge cloud and Services Emerging Operating Models – Modular Capabilities – Open Source Platforms – Economically Viable Eco Systems – Digital Traceability / Dynamic Analytics – AI/ ML , AR/VR, Robotics, Flying objects – Predictive & Scenario Driven – Micro Services & Third Party Applications Empowered Customers – Seamless data sharing – Remote Diagnostics – Increase Trust and Transparency – Enable Human and Machine Collaboration – Lower Operating Cost – Predictive Maintenance IC Vendor ODM OEM Operator Content Supplier Artificial wall
  3. 3. Rise of Open RAN -> Unified SD-RAN
  4. 4. Separation of Control and User plane  SD-RAN PDCP High RLC Low RLC High MAC Low MAC High PHY Low PHY Radio/MIMO User Plane Power Control Frequency/Beam Control Antenna Configuration Admission Control Measurement Reporting AMF Control Bearer Control Scheduling Control (E2) System Broadcast SON Control (E2) SMF Control (Core) Carrier Agg. Control (E1) Handover Control (E2) Paging Control Slice MLB Control (E2) RRC Control SD&C Control Interface SO Interface (A1) RAN Slicing Control (E2) Control Plane FCAP Control ( NEM) ICIC Control
  5. 5. Radio Resource Manager -> (SD-RAN) -> ORAN • Common Control & Configuration for Split Architecture • Extended Control Configuration options to vendors specific features • Unified vProbe and Analytic Registration process • Well Known Functional Interface & APIs • Measurement Configuration, Control and Reporting • RRC Measurement Config • RRC Measurement Report • L2 Measurement Config • L2 Measurement Report • Frequency Selections • Power Level • Antenna & Beam Forming Commands • Handoff Actions • Scheduling and Slicing RAN Control • UE Admission Control • Cell Configuration
  6. 6. What Open Reference Platforms Offer • Offers new user experiences • AR/VR , battery life , M2M, Edge clouds, • Provides for new types of connectivity services • Seamless, carrier aggregation, QOS, Metering, etc • Provides for autonomous operational flexibility • Performance, latency scale, security, Reliability, and programmability • Performs frequent “control” across the RANs • hyper densified set of technologies and macro, small and micro cells. RRC Measurement Config RRC Measurement Report L2 Measurement Config L2 Measurement Report Frequency Selections Power Level Antenna & Beam Forming Handoff Actions Scheduling , Slicing RAN Control UE Admission Control Cell Configuration
  7. 7. Maximize Throughput Bigger Pipes More Efficient Data Handling Better Faster Optimal Pipes Connectivity and Mobility Reconfigurable Dynamic Pipes Edge Cloud Solutions That Support Increased Data Usage & A Richer Multimedia Experience Leads to Adaptive Analytics for 5G with Open Reference Platforms “The Services of The Future” LTE/5G Collaborative Communications Compression Untapped Spectrum 5G-6G Wireless Local Content Routing Femto / WiFi / LiFi Cognitive Spectrum Management M2M / IOT
  8. 8. Rise of Open Reference Platform & the Need for Real time Observability Radio Resource Control Split Architecture ControlSlicing Manager Control 5G Applications … Applied ML Services Unified Open Mobility Resource Manager & Interface (SD-RAN, Fronthaul , SD-CORE) 5G Services Modular and Disaggregated Mobility CORE Functions Time critical operations offloaded to FPGA • Disaggregated control from user planes and micro services • Common Control & Configuration of RUs, DUs, and CUs • Dynamic vProbe and applied ML • Open Interface & APIs • Context Driven Networking ( Closed feed back loops) Master Orchestrator [Open Network Automation Platform (ONAP)] RU CORE Edge Cloud Open ToolsRANDU/CU Configuration Management Slicing Management Services CORE ….. Virtualized and democratizedOpen Reference Platform Modular and Disaggregated Virtual RAN Functions: DU, CU Common RAN and CORE Pipeline Source: The Linux Foundation/AT&T RAN CORE …. + MEC
  9. 9. Open Source Communities & Standards Open Reference Platforms X-RAN/ORAN ONAP ONF TIP Etc. On-Going Collaboration Efforts Open Source EPC, RAN Non-Open Source EPC, RANMicro-Services Applications 3GPP IETF IEEE MEC ETSI
  10. 10. Impact of Open Platforms
  11. 11. Resources CaaSSDN Ctrl App VNF Controller • Defines Authoritative State • Mediates Trust • Enforces Policy/Invariants • Activates Data Path Ctrl App VNF Adopts Micro-Services with Control as a Service Source; ONF
  12. 12. Challenges: Open and Democratized Architecture know-hows Graph abstraction Representing Radio Networks (Multi-RATs) Graph: G = ( N, E, L, B, etc.) or ( nodes, Links, Slices, Beams ) N = set of routers = { u, v, w, x, y, z } E = set of links ={ (u,v), (u,x), (u,w), (v,x), (v,w), (x,w), (x,y), (w,y), (w,z), (y,z) } L = set of Slices = {sub ((u,v), sub (u,x), sub(u,w), sub(v,x), sub (v,w), sub (x,w), sub(x,y), sub (w,y), sub (w,z), (y,z) } B = set of beams at time T = Associated beams for { u, v, w, x, y, z } Beams Goals: • Understand principles behind Abstraction • Understand principles behind service Layers & Multi Tenancy • Understand principals behind R-NIB and Trigger Functions
  13. 13. SD-RAN: Programmable RAN Operation Examples RF Coordinator of Multi RAT Access technologies
  14. 14. Example: SD-RAN & Micro Services master Orchestrators Optimization Practices Mobility Policy Carrier Aggregation vRAN Applications SD-RAN (M-CORD) Radio Resource Abstracted graph X.RAN Open APIs Local RAN Agent Controls Telemetry & Observability Virtualized RAN Micro Services
  15. 15. Unified Platforms & Blue-Prints Infrastructure VMs, VNFs, Containers, etc. TaaS ( active & passive) Edge Operations Tools Edge Operation Tools Master Orchestartion such as ONAP (DCAE, Policy, Service Models, etc.) vRAN 5G Components Events Akraino Tool sets Edge Service Design&Creation Policy Creation Analytics Application Design • AR/VR ( acceleration) • Massive IOT ( scale ) • Critical IOT ( Delay sensitive, BER) Edge Example Services Real-time Life Cycle Management Akraino Blue Prints N O D E T O S C A M O D E L PLUGINPLUGIN Accelerators
  16. 16. Adaptive Analytics Service Vehicular Slice vRAN Probe Management Virtual probe 1 2 3 4 vRAN Software Platform Model driven Passive Monitoring Anomaly detection & Closed loop automation Active Test as a service 1 3 4 RAN VNFs CORE VNFs 1) Assurance as a Service (Passive) - Feed UP Session Metrics to vRAN RIC Monitoring Service Closed loop automation Stop QoS Active PM Testing Perf Monitoring Thresholds Active Test as a Service 2) vRAN RIC triggers test request for connectivity/PM session in an slice 3) Active Virtual Measurement Agents - Deploy Mgmt. Agent VM instances - Run TWAMP Perf Monitoring sessions Service Slices IoT Device Slice Start 2
  17. 17. Summary Remarks • Aggressive spectrum allocations for 5G and beyond will require unified, open and democratized Interfaces. • Opening up the interfaces, disaggregating RAN, white box deployment models with coexistence should be a key focus for service providers and open source community and standardization bodies. • ORAN’s Radio Intelligent controller provides coordination and when feasible synchronization of multi vendor and white boxed radio access. It can boost performance and quality service consistency. • Open Source + ML + In-band Radio analytics will play a key role 5G and beyond.
  18. 18. Contact:, tofigh@att.com