Far Edge with VMs and Containers and beyond Open Infrastructure Summit 2019, Denver, CO Wednesday @ 14:30 Room 501/502 Eric Lajoie, Senior Solution Architect Timo Jokiaho, Principal Technologist Red Hat EMEA Telco May 1st 2019
Today’s Topics Agenda details ● Edge, what Edge? ● Edge Basics & Challenges Latency constraints ○ Distribution & scalability ○ ● Radio Access Network (RAN) Evolution & Edge ● Edge Summary ● Edge Scenario 2 Open Infrastructure Summit 2019, Denver, CO
DISCLAIMER These slides are created for the strict purpose of discussion only. Red Hat Inc. does not plan or commit to offer any functionality described in this material as part of its portfolio of products. Red Hat Inc. does upstream open source software development work and will continue to participate in upstream activities and communities relative to technologies described in this presentation. This does not imply Red Hat will or have products associated with those software communities Nor is Red Hat committing to having such offerings in future. Red Hat Inc. does not commit to or subscribe to any opinions, statements regarding third parties described in this presentation. Any disclosures associated with third party companies are a matter of conjecture and should not be taken as known facts or stated strategy of those third parties. Acknowledgements: we would like to acknowledge the contributions of our colleagues at Red Hat. We have used some of their material in this presentation to make the point. 3 Open Infrastructure Summit 2019, Denver, CO
Speakers Today Passionate about Telecoms & Infrastructure ● ~40yrs of age ○ ○ ~15yrs @ Telco (Cisco, HPE) ○ Red Hatter since 2016 Eric Lajoie Senior Solution Architect ● Passionate about Telecoms & Network Equipment Providers ○ ~0x40yrs of age ~40yrs @ Telco (Nokia, Huawei, Samsung) ○ ○ Red Hatter since 2014 Timo Jokiaho Principal Technologist 4 Open Infrastructure Summit 2019, Denver, CO
What Does Edge Mean? “Edge is the next infrastructure paradigm for delivering applications and services closer to the user. Edge allows efficient processing and delivery of time sensitive data” “Edge refers to the geographic distribution of compute nodes in the network” “Edge is a distributing computing paradigm in which computation is largely performed on distributed devices sitting closer to end users” Edge is Edge must be ● ● Independent Automated ● ● Elastic/Optimized Resilient ● ● Massive scale Be built using public, private or hybrid cloud Edge is about building ultra-reliable experiences Edge is anything that sits between the Subscriber / for people and objects when and where it matters User / Endpoint and regional or core data center 5 Open Infrastructure Summit 2019, Denver, CO
High Level Overview On vRAN (4G / LTE) Distributed RAN Centralized RAN BaseBand Units @ Antenna Site BaseBand Units @ Central Office (Cloud) Target for NFV, (virtualization or containers) + Edge Compute Full base station functionality distributed on each antenna Part of base station functionality (BaseBand Units, BBU) sites -> expensive, no scalability, radio interference control centralized (base station split). challenges, etc ... http://xhaul.eu/wp-content/uploads/2015/10/workshop-FSAN-09-2015-atlanta-orange.pdf X2: “fast” handover protocol between base stations 6 Open Infrastructure Summit 2019, Denver, CO D-RoF: Digital Radio over Fibre
ITU-T: Evolving From 4G To Split Function In 5G Option 2 6 7 8 (3GPP) Mapping of CU and DU functions according to the split points: - 5G(a): high layer split (F1) - 5G(b): low layer split (F X ) - 5G(c): cascaded split https://www.itu.int/dms_pub/itu-t/opb/tut/T-TUT-HOME-2018-PDF-E.pdf 7 Open Infrastructure Summit 2019, Denver, CO
RAN Cloudification → vBBU (4G), vCU/vDU (5G) RAN Requirements on Telco Cloud CU → Distributed Cloud, Low Footprint + DU → Realtime, PTP, HW Acceleration (FPGA, Smart NICs) 8 Open Infrastructure Summit 2019, Denver, CO
4G / LTE vRAN and 5G vRAN Evolution BBU RRU RRU vBBU CU DU RRU RRU DU CU RRU DU 9 Open Infrastructure Summit 2019, Denver, CO
Adding Edge to RAN Evolution BBU RRU RRU vBBU CU DU RRU RRU DU CU RRU DU Compute Nodes at - DU (Distributed Unit), CU (Centralized Unit) and Edge Compute for Application in addition to Packet core and Data Centre Massive scale and distribution → automation is the key! 10 Open Infrastructure Summit 2019, Denver, CO
Location & Timing Constraints ≤ ≤ ≤ ≤ ≤ ≤ ≤ ≤ ≤ ≤ ≤ RAN scheduler works on very tight time budget ⇒ Lower parts of BBU (DU) cannot be centralized too far! 11 Open Infrastructure Summit 2019, Denver, CO
Edge Deployment Summary DU RU Metro Ethernet vCPE GPON ONT ONT Adhoc or Emergency Network 12 Open Infrastructure Summit 2019, Denver, CO
Edge Use Cases 13 Open Infrastructure Summit 2019, Denver, CO
Edge Scenario Mapping DU DU DU DU DU ≤ Metro Ethernet vCPE 14 Open Infrastructure Summit 2019, Denver, CO
Distributed Container Nodes DU DU DU DU DU ≤ Metro Ethernet vCPE 15 Open Infrastructure Summit 2019, Denver, CO
Distributed Container Nodes ≤ RH DU DU Metro Ethernet vCPE 16 Open Infrastructure Summit 2019, Denver, CO
Multi-Cluster Environment DU DU DU Pool DU DU Metro Ethernet vCPE Stack or Multi-Tenant 17 Open Infrastructure Summit 2019, Denver, CO
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