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

▶
hierarchical orchestration
SMART_READER_LITE
LIVE PREVIEW

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

Dec 22, 2022 217 likes •498 views

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

slide-1
SLIDE 1

ORCA-PROJECT.EU ORCA-PROJECT.EU

ORCHESTRATION AND RECONFIGURATION CONTROL ARCHITECTURE

WInnComm Europe

Berlin 2019-05-15

CONNECT | Trinity College Dublin

Joao F. Santos, Luiz A. DaSilva

Hierarchical Orchestration

  • f End-to-End Networks
slide-2
SLIDE 2

WWW.HUB4NGI.EU

ORCA-PROJECT.EU

2

Outline

1. Problem Definition 2. RAN as a Service Challenges 3. Experimental Results 4. Conclusions

slide-3
SLIDE 3

Problem Definition

3

1

slide-4
SLIDE 4

WWW.HUB4NGI.EU

ORCA-PROJECT.EU

4

End-to-End Network Orchestration

E2E Network Infrastructure

Wireless Network Segment Wired Network Segment

Network Orchestrator

slide-5
SLIDE 5

WWW.HUB4NGI.EU

ORCA-PROJECT.EU

5

Current Approaches

  • OpenStack
  • OSM
  • OPNFV
  • M-CORD
slide-6
SLIDE 6

WWW.HUB4NGI.EU

ORCA-PROJECT.EU

  • Centralised one-size-fits-all management
  • Oversimplification of the wireless network management
  • Do not support or consider RAN/radio slicing
  • Operating in different timescales
  • Need for cohesive resource allocation across RAN and CN

6

Problems

slide-7
SLIDE 7

WWW.HUB4NGI.EU

ORCA-PROJECT.EU

7

Hierarchical Orchestration Scheme

Wired Orchestrator Path Provisioning Monitoring NFV Manager Wireless Orchestrator Radio Provisioning Monitoring RFV Manager Hyperstrator Available resources Domain Requirements

  • 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.

slide-8
SLIDE 8

WWW.HUB4NGI.EU

ORCA-PROJECT.EU

8

Hierarchical Orchestration Scheme

RAN Slice Request Wired Orchestrator Path Provisioning Monitoring NFV Manager Wireless Orchestrator Radio Provisioning Monitoring RFV Manager Hyperstrator E2E Service Request Available resources VNF #1 VNF #N Domain Requirements VNF #2 VRF #1 VRF #N VRF #2 VNF #1 VNF #N VNF #2 VRF #1 VRF #N VRF #2 Service #1 Chain Service #N Chain Function Deployment Function Deployment CN Slice Request

  • 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.

slide-9
SLIDE 9

WWW.HUB4NGI.EU

ORCA-PROJECT.EU

9

Hierarchical Orchestration Scheme

RAN Slice Request Wired Orchestrator Path Provisioning Monitoring NFV Manager Wireless Orchestrator Radio Provisioning Monitoring RFV Manager Hyperstrator E2E Service Request Available resources VNF #1 VNF #N Domain Requirements VNF #2 VRF #1 VRF #N VRF #2 VNF #1 VNF #N VNF #2 VRF #1 VRF #N VRF #2 Service #1 Chain Service #N Chain Function Deployment Function Deployment CN Slice Request

  • 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.

RAN Slicing & RANaaS

slide-10
SLIDE 10

WWW.HUB4NGI.EU

ORCA-PROJECT.EU

  • 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

10

Our Contribution

slide-11
SLIDE 11

RAN as a Service Challenges

11

2

slide-12
SLIDE 12

WWW.HUB4NGI.EU

ORCA-PROJECT.EU

12

RAN Slicing

Radio Resource Broker Radio Hypervisor Real RF Front-end Virtual Radio #N

RAN Slice #N

Virtual Radio #2

RAN Slice #2

Virtual Radio #1

RAN Slice #1 RANaaS Platform

Software Radio Baseband Unit Waveform Trace

RAN Slice Request

slide-13
SLIDE 13

WWW.HUB4NGI.EU

ORCA-PROJECT.EU

13

RAN Slicing Challenges

Radio Resource Broker Radio Hypervisor Real RF Front-end Virtual Radio #N

RAN Slice #N

Virtual Radio #2

RAN Slice #2

Virtual Radio #1

RANaaS Platform

Software Radio Baseband Unit Waveform Trace

RAN Slice Request

  • 4. SDR-SDN

Integration

  • 3. Resource

Negotiation

  • 1. Technology

Agnostic Slicing

  • 2. Performance

Isolation

RAN Slice #1

slide-14
SLIDE 14

WWW.HUB4NGI.EU

ORCA-PROJECT.EU

14

  • 1. Technology Agnostic Radio Slicing
  • 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.

  • FFT-Based Technology Agnostic Radio Hypervisor
slide-15
SLIDE 15

WWW.HUB4NGI.EU

ORCA-PROJECT.EU

15

  • 2. Radio Performance Isolation
  • 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.

Virtual Radios Timed Buffer Input

Window Buffer

Timed Buffer

IQ Sample Buffer

Output

Window Buffer IQ Sample Buffer

Virtual RF front-end Receiver Virtual RF front-end Transmitter Software Radios Radio Hypervisor RF Front-end

  • Computational Isolation and Multiplexing Padding
slide-16
SLIDE 16

WWW.HUB4NGI.EU

ORCA-PROJECT.EU

  • ZMQ-based Messaging Radio Resource Broker

16

  • 3. Radio Resource Negotiation
  • 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.

Client Real RF front-end Resource Manager Radio Hypervisor Virtual Radio Virtual RF front-end 3 Interface with the hypervisor 4 Create virtual front-end 6 Transmit/ receive IQ samples 5 Instantiate virtual radio Server 2 Allocate resources 1 Request resources

slide-17
SLIDE 17

WWW.HUB4NGI.EU

ORCA-PROJECT.EU

17

  • 4. SDR-SDN Integration

RANaaS Platform

Open vSwitch instance TUN/TAP interfaces Packet to PDU translation Software-Defined Radio IQ samples Radio Hypervisor Virtual Radio #1 MAC PHY To/from Radio Resource Broker To/from an SDN Controller Data Plane

slide-18
SLIDE 18

Experimental Results

18

3

slide-19
SLIDE 19

WWW.HUB4NGI.EU

ORCA-PROJECT.EU

19

RAN Slicing - Spectrum

slide-20
SLIDE 20

WWW.HUB4NGI.EU

ORCA-PROJECT.EU

20

RAN Slicing - Provisioning Delay

  • 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.

slide-21
SLIDE 21

WWW.HUB4NGI.EU

ORCA-PROJECT.EU

21

RAN Slicing - Service Delay

  • 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.

slide-22
SLIDE 22

WWW.HUB4NGI.EU

ORCA-PROJECT.EU

22

RAN Slicing - Computational Complexity

  • 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.

slide-23
SLIDE 23

Conclusions

23

4

slide-24
SLIDE 24

WWW.HUB4NGI.EU

ORCA-PROJECT.EU

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:

  • Optimal virtual radio resource allocation
  • Dynamic reconfiguration of the radio stack

24

Conclusions

slide-25
SLIDE 25

ORCA-PROJECT.EU

THANK YOU FOR YOUR ATTENTION

This project received funding from the European Union’s Horizon2020 research and innovation programme under grant agreement No 732174

slide-26
SLIDE 26

WWW.HUB4NGI.EU

ORCA-PROJECT.EU

26

End-to-End Prototype Concept

Wired Network Segment Traffic Endpoint Wireless Network Segment Traffic Endpoint E2E Network Wired Network Orchestrator Wireless Network Orchestrator Hyperstrator

Control Plane

Traffic Endpoint

slide-27
SLIDE 27

WWW.HUB4NGI.EU

ORCA-PROJECT.EU

27

Current Set-Up

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