Evolution of Open RAN and O-RAN in Telecom Networks
Explore the evolution from legacy RAN architectures to open, disaggregated, and intelligent RAN solutions like Open RAN and O-RAN. Learn about the standardization efforts, architecture details, O-RAN Alliance working groups, and the O-Cloud service management framework within the telecom industry.
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Presentation Transcript
Open RAN, O-RAN Overview Sukhdev Kapur Senior Distinguished Engineer Juniper Networks 1 Non-Juniper
RAN Evolution to Disaggregation, Openness, and Intelligence INTELLIGENT & OPEN RAN LEGACY NON-VIRTUALIZED SITE CENTRALIZED RAN (C-RAN) VIRTUALIZED RAN (V-RAN) DISAGGREGATED RAN 4G 4G 5G 4G 5G 4G 4G EPC EPC vEPC vEPC/5GC vEPC/5GC Backhaul Backhaul IP IP IP Backhaul Backhaul IP Backhaul RIC IP O-CU Apps vCU Open Midhaul Open Midhaul IP IP BBU vBBU vDU O-DU Fronthaul CPRI Fronthaul CPRI Open Fronthaul Open Fronthaul eCPRI eCPRI RRH RRH BBU RRH BBU RRH RRH RRH RU RU O-RU O-RU EPC Evolved Packet Core RRH Remote Radio Head BBU BaseBand Unit CPRI Common Private Radio Interface vEPC Virtualized Evolved Packet Core vCU Virt. Centralized Unit vDU Virt. Distributed Unit RU Remote Unit eCPRI Ethernet CPRI RIC RAN Intelligent Controller 2 Non-Juniper
Open RAN Standardization O-RAN Software Community COTS HW definition & Reference products Specifications Reference implementation of specs Backed By Facebook, Large SPs, Vendors Creating Open Architecture, Standards and interfaces, Multivendor, Open Software Open source Open interfaces RAN intelligence Goal: Increase access by simplifying and lowering cost of infrastructure 3 Non-Juniper
O-RAN Architecture 4 Non-Juniper
O-RAN Alliance Wiki Page - https://oranalliance.atlassian.net/wiki/spaces/OAH/overview?mode=global O-RAN Alliance is Organized in 11 Working Groups 1. WG1 Use Cases and Architecture 2. WG2 Non-RT RIC and A1 Interface 3. WG3 Near-RT RIC and E2 Interface 4. WG4 Open Fronthaul Interface 5. WG5 Open F1/W1/E1/X2/Xn Intergaces 6. WG6 Cloudification and Orchestration 7. WG7 White-box Hardware 8. WG8 Stack Reference Design 9. WG9 Open X-haul Transport 10. WG10 OAM for O-RAN 11. WG11 Security Workgroup 5 Non-Juniper
O-RAN O-Cloud Service Management & Orchestration Framework O2 O-Cloud instance * Services are optional on all resource pools O2 Infrastructure Management Services (Logical & Distributed) * O-cloud node Compute Svc Deployment Management Services (Logical & Distributed) * Compute Svc, w Accel Storage Svc Deployment Plane (Logical) NF Deployment NF Deployment NF Deployment Compute Svc Storage Svc Distributed across locations O-Cloud Resource Pooln O-Cloud O-Cloud O-Cloud Resource Pool1 Resource Pool3 Resource Pool2 O-cloud instance 6 Non-Juniper
Cloudification & Orchestration Overview 7 Non-Juniper
Cloudification & Orchestration Overview 8 Non-Juniper
Cloud Deployment Scenarios 9 Non-Juniper
