Hierarchical Orchestration Joao F. Santos, Luiz A. DaSilva of - PowerPoint PPT Presentation

ORCA-PROJECT.EU ORCA-PROJECT.EU CONNECT | Trinity College Dublin Hierarchical Orchestration Joao F. Santos, Luiz A. DaSilva of End-to-End Networks WInnComm Europe Berlin 2019-05-15 ORCHESTRATION AND RECONFIGURATION CONTROL ARCHITECTURE

Outline 1. Problem Definition 2. RAN as a Service Challenges 3. Experimental Results 4. Conclusions WWW.HUB4NGI.EU ORCA-PROJECT.EU 2

1 Problem Definition 3

End-to-End Network Orchestration Network Orchestrator Wired Wireless Network Network Segment Segment WWW.HUB4NGI.EU E2E Network Infrastructure ORCA-PROJECT.EU 4

Current Approaches OpenStack ● OSM ● OPNFV ● M-CORD ● WWW.HUB4NGI.EU ORCA-PROJECT.EU 5

Problems Centralised one-size-fits-all management ● Oversimplification of the wireless network management ● Do not support or consider RAN/radio slicing ● Operating in different timescales ● WWW.HUB4NGI.EU Need for cohesive resource allocation across RAN and CN ● ORCA-PROJECT.EU 6

Hierarchical Orchestration Scheme Hyperstrator Domain Requirements Available resources Wired Orchestrator Wireless Orchestrator NFV Path RFV Radio Monitoring Monitoring Manager Provisioning Manager Provisioning WWW.HUB4NGI.EU ORCA-PROJECT.EU 7 J. F. Santos, J. van de Belt, W. Liu, V. Kotzsch, G. Fettweis, I. Seskar, S. Pollin, I. Moerman, L. A. DaSilva and J. Marquez-Barja “Orchestrating Next-generation Services Through End-to-end Network Slicing” ORCA White Paper.

Hierarchical Orchestration Scheme E2E Service Request Hyperstrator Domain Requirements RAN Slice CN Slice Request Request Available resources Wired Orchestrator Wireless Orchestrator NFV Path RFV Radio Monitoring Monitoring Manager Provisioning Manager Provisioning Function Deployment Function Deployment Service #1 VNF VNF VNF VRF VRF VRF Chain #1 #2 WWW.HUB4NGI.EU #N #1 #2 #N Service #N VNF VNF VNF VRF VRF VRF Chain #1 #2 #N #1 #2 #N ORCA-PROJECT.EU 8 J. F. Santos, J. van de Belt, W. Liu, V. Kotzsch, G. Fettweis, I. Seskar, S. Pollin, I. Moerman, L. A. DaSilva and J. Marquez-Barja “Orchestrating Next-generation Services Through End-to-end Network Slicing” ORCA White Paper.

Hierarchical Orchestration Scheme E2E Service Request RAN Slicing & RANaaS Hyperstrator Domain Requirements RAN Slice CN Slice Request Request Available resources Wired Orchestrator Wireless Orchestrator NFV Path RFV Radio Monitoring Monitoring Manager Provisioning Manager Provisioning Function Deployment Function Deployment Service #1 VNF VNF VNF VRF VRF VRF Chain #1 #2 WWW.HUB4NGI.EU #N #1 #2 #N Service #N VNF VNF VNF VRF VRF VRF Chain #1 #2 #N #1 #2 #N ORCA-PROJECT.EU 9 J. F. Santos, J. van de Belt, W. Liu, V. Kotzsch, G. Fettweis, I. Seskar, S. Pollin, I. Moerman, L. A. DaSilva and J. Marquez-Barja “Orchestrating Next-generation Services Through End-to-end Network Slicing” ORCA White Paper.

Our Contribution Creation of RAN slices as a service ● Supporting RAN slices with different technologies ● RAN Slices isolated in spectrum and performance ● Integration with higher-layers of the stack ● WWW.HUB4NGI.EU ORCA-PROJECT.EU 10

2 RAN as a Service Challenges 11

RAN Slicing RAN Slice Request RAN Slice #1 RANaaS Platform Virtual Radio #1 Software Radio Radio Resource Broker RAN Slice #2 Radio Hypervisor Virtual Radio #2 Baseband Unit RAN Slice #N WWW.HUB4NGI.EU Real RF Front-end Virtual Radio #N Waveform Trace ORCA-PROJECT.EU 12

RAN Slicing Challenges 3. Resource Negotiation 4. SDR-SDN Integration RAN Slice Request RAN Slice #1 RANaaS Platform Virtual Radio #1 Software Radio Radio Resource Broker RAN Slice #2 Radio Hypervisor Virtual Radio #2 Baseband Unit RAN Slice #N WWW.HUB4NGI.EU Real RF Front-end Virtual Radio #N Waveform Trace 1. Technology Agnostic Slicing 2. Performance ORCA-PROJECT.EU 13 Isolation

1. Technology Agnostic Radio Slicing WWW.HUB4NGI.EU ● FFT-Based Technology Agnostic Radio Hypervisor ORCA-PROJECT.EU 14 M. Kist, J. Rochol, L. A. DaSilva, and C. B. Both, “SDR Virtualization in Future Mobile Networks: Enabling Multi-Programmable Air Interfaces,” IEEE ICC, Kansas City, MO, 20-24 May 2018.

2. Radio Performance Isolation Window Buffer IQ Sample Buffer Virtual RF Timed Software Radios Radio Hypervisor Input front-end RF Front-end Buffer Transmitter Window Buffer IQ Sample Buffer Virtual RF Timed Output front-end Buffer Receiver WWW.HUB4NGI.EU Virtual Radios ● Computational Isolation and Multiplexing Padding ORCA-PROJECT.EU 15 J. Santos, M. Kist, J. van de Belt, J. Rochol, and L. A. DaSilva, “Towards Enabling RAN as a Service: The Extensible Virtualisation Layer,” IEEE ICC, Shanghai, China, 20-24 May 2019.

3. Radio Resource Negotiation Client Transmit/ 6 1 Request resources receive IQ samples Server Allocate 2 resources Instantiate 5 virtual radio Resource Virtual Radio Manager Create virtual 4 Radio front-end Virtual RF Hypervisor front-end Interface WWW.HUB4NGI.EU 3 with the Real RF hypervisor front-end ● ZMQ-based Messaging Radio Resource Broker ORCA-PROJECT.EU 16 J. Santos, M. Kist, J. van de Belt, J. Rochol, and L. A. DaSilva, “Towards Enabling RAN as a Service: The Extensible Virtualisation Layer,” IEEE ICC, Shanghai, China, 20-24 May 2019.

4. SDR-SDN Integration To/from Radio To/from an SDN Controller Resource Broker Data Radio Hypervisor Open vSwitch Plane instance Software-Defined Radio Virtual Radio #1 MAC TUN/TAP interfaces WWW.HUB4NGI.EU Packet to PDU translation PHY RANaaS Platform IQ samples ORCA-PROJECT.EU 17

3 Experimental Results 18

RAN Slicing - Spectrum WWW.HUB4NGI.EU ORCA-PROJECT.EU 19

RAN Slicing - Provisioning Delay WWW.HUB4NGI.EU ORCA-PROJECT.EU 20 J. Santos, M. Kist, J. van de Belt, J. Rochol, and L. A. DaSilva, “Towards Enabling RAN as a Service: The Extensible Virtualisation Layer,” IEEE ICC, Shanghai, China, 20-24 May 2019.

RAN Slicing - Service Delay WWW.HUB4NGI.EU ORCA-PROJECT.EU 21 J. Santos, M. Kist, J. van de Belt, J. Rochol, and L. A. DaSilva, “Towards Enabling RAN as a Service: The Extensible Virtualisation Layer,” IEEE ICC, Shanghai, China, 20-24 May 2019.

RAN Slicing - Computational Complexity WWW.HUB4NGI.EU ORCA-PROJECT.EU 22 J. Santos, M. Kist, J. van de Belt, J. Rochol, and L. A. DaSilva, “Towards Enabling RAN as a Service: The Extensible Virtualisation Layer,” IEEE ICC, Shanghai, China, 20-24 May 2019.

4 Conclusions 23

Conclusions Contributions: Technology agnostic RAN slicing platform ● Dynamic deployment of virtual radios in real time ● Isolated virtual radios in spectrum and performance ● Initial SDR-SDN integration ● Next Steps: WWW.HUB4NGI.EU Optimal virtual radio resource allocation ● Dynamic reconfiguration of the radio stack ● ORCA-PROJECT.EU 24

THANK YOU FOR YOUR ATTENTION ORCA-PROJECT.EU This project received funding from the European Union’s Horizon2020 research and innovation programme under grant agreement No 732174

End-to-End Prototype Concept Hyperstrator Control Plane Wired Network Wireless Network Orchestrator Orchestrator Traffic Endpoint Traffic Wired Network Wireless Network WWW.HUB4NGI.EU Endpoint Segment Segment Traffic Endpoint E2E Network ORCA-PROJECT.EU 26

Current Set-Up End-to-End Hyperstrator Container Wired Network Wireless Network Wired Network Wireless Network ZMQ Orchestrator Orchestrator Messaging Container Container Ryu SDN OpenFlow Controller HyDRA Container Control Paths Traffic Endpoint Radio Hypervisor USRP B210 USRP B210 Physical High-Throughput Route Traffic Endpoint NIC Ethernet USB USB 10 Mbps 40 msec OpenWiFi Open WiFi vSwitch Radio Hypervisor FPGA Traffic Endpoint Ethernet WWW.HUB4NGI.EU NIC Containers Ethernet Ethernet Low-Latency Route USB 1 Mbps 4 msec Legend Linux Containers Data Plane Virtualisation Server Control Plane ORCA-PROJECT.EU 27