Leveraging Virtualization Technologies to Build the World s First Open Programmable Smart City

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Roland Wiggins
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1 Leveraging Virtualization Technologies to Build the World s First Open Programmable Smart City Dimitra Simeonidou Director of Smart Internet Lab, University of Bristol ( CTO, Bristol Is Open ( Co-Founder, Zeetta Networks (

2 Bristol Is Open Programmable City Digital city testbed where an SDN-based Network Operating System (City OS) controls a programmable city infrastructure

3 A Test-bed for Diverse Requirements Demand Applications Media Transport ehealth... Services Clouds IMS Service Delivery Platforms... Infrastructures Wireless / Sensors Fixed/ Wired Compute/ Storage Peripherals/ Device Enabling Technology Users

4 Bristol Is Open (BIO) We built a research network integrating optical, wireless, IoT and computing to provide an open and experimental platform in the centre of Bristol We offer the test-bed as utility for experimentation: City Experimentation as a Service It supports City-driven digital innovation Three main technology pilars: Technology agnostic SDN Hardware programmability

An Open Infrastructure for Innovation Manage a diverse Network-ofNetworks Optical, packet wired, wireless, compute, storage, IoT, cameras, etc Multi-Technology Support Virtual Network B Virtual

5 An Open Infrastructure for Innovation Manage a diverse Network-ofNetworks Optical, packet wired, wireless, compute, storage, IoT, cameras, etc Multi-Technology Support Virtual Network B Virtual Network A Network Operating System User terminals Eliminate Vendors Lock-ins Abstractions of the underlying hardware, SDN Control Data centres & Cloud Technology Agnostic-Future Proof-White Box? Multi-Tenant Solution Sensors, M2M, IoT Network to share resources among many users (Virtualization) Efficient utilization & monetization Courtesy Zeetta Networks Optical & wireless INFRASTRUCTURE

6 Key Aim A1 Develop a NETWORK TECHNOLOGY USB which will enable any network device to be pluggable, discoverable, describable, interoperable and programmable in the network

7 Slide 6 A1 Add outdoor LiFi Anna, 9-Sep-14

8 The Infrastructure

The Bristol Is Open Network Optical Network 144-fiber core network connecting 4 nodes Wireless Network 1Gbps access network Wi-Fi, LTE, LTE-A, 6Ghz,

9 The Bristol Is Open Network Optical Network 144-fiber core network connecting 4 nodes Wireless Network 1Gbps access network Wi-Fi, LTE, LTE-A, 6Ghz, Massive MIMO IoT Network 54 Fiber-connected lamppost Clusters & canopy of 15 sensors Cloud Infrastructure HPC and commodity compute and storage centralised & edge

10 A New Way to Think About Network Control

11 Software Defined Networking Applications Orchestrator Hypervisor SDN Controller and Virtualisation Controller Data Center Compute Network Technologies Storage

12 Cloud APP Cloud APP Network APP IoT APP IoT APP IoT APP IoT Platform Cloud Service/Orchestration Platform Network APP SDN Network Operating System Edge Node Any Thing Virtualized Resource Pool Switch Edge Processi ng Any type of connec tion Wifi 3G/4G/5G Fiber Route rs Ports Optical Network Links vstora ge vcpu vram Cloud DB DB

13 City Operating System (CityOS)

14 SDN Controller Extended OpenFlow Protocol Resource Model OpenFlow Agent Technology specific interface Li-Fi 82.11ac Flex-grid ROADM WDM ROADM Space Switch LTE

Multi-dimension Resource Abstraction Mechanism λ, λ, λ O pticalsw itching Elem ent W irelessa ccess PointorEN odeb ⑤ O ptical D om ain Space λ λ 3 2 = 4 2 2 5 4 3 1 4 3 = 4 3 4 3 2 2 Space = = 1 F ②

15 Multi-dimension Resource Abstraction Mechanism λ, λ, λ O pticalsw itching Elem ent W irelessa ccess PointorEN odeb ⑤ O ptical D om ain Space λ λ 3 2 = = Space = = 1 F ② Flow λ Space 2 ④ λ = Flow 1 Flow 2 Flow 3 1 Frequency λ λ O utputm atrix 2 3 W ireless D om ain Frequency ③ 1... Frequency 4 Resources A llocation λ 1 F ROADM InputM atrix 2 3 λ λ λ λ λ Flow 1 Flow 2 Flow 3 Space ① X 1 t1 = X.1 1 t2 = t1 t2 t3 X 1 t = t4 T.5.5 X 1 t4 = 5 5 T

Multi-dimension Resource Abstraction Mechanism Multi-Dimensional Optical Flow Port Core Signal Type Bandwidth Format Modulation Type Header Time Slot Constraints Bit

16 Multi-dimension Resource Abstraction Mechanism Multi-Dimensional Optical Flow Port Core Signal Type Bandwidth Format Modulation Type Header Time Slot Constraints Bit rate Option Frequency Abstraction Optical Flow Space Frequency Range Fibre Lambda/ Centre Frequency Time Time Range Li-Fi 82.11ac Flex-grid ROADM WDM ROADM Space Switch LTE

17 Converged Virtual Infrastructure Mapping Algorithm Virtual Infrastructure Request Abstract Resource Pool Virtual Infrastructure

18 Network Infrastructure Virtualisation Abstraction and Virtualisation

19 Network Slicer App 1... App N Extended SDN Controller 1 App 1... Virtual network 1... App N Extended SDN Controller N Virtual network N FlowVisor Slicer Classifier Topology Controller Flow Message Control Node Constraints Extended OpenFlow Protocol Comms Circuit Switches Many Virtual Networks ( slices ) can coexist. They are isolated and can be controlled and operated individually. Packet Switches Topology Planner Slice QoT Checker We can define network slices by any combination of: Switch ports Wavelengths Spectrum (layer /1) Ethernet address or type (layer 2) IP address or type (layer 3) TCP/UDP port or ICMP code (layer4) Physical Layer impairments are taken into account before network slicing. The network slices have guaranteed Quality of Transmission (QoT)

Single-Line-Rate and Mixed-Line-Rate WDM Networks, IEEE/OSA Journal of

20 Physical Layer Impairment Assessment Shuping Peng, Reza Nejabati, Dimitra Simeonidou, Impairment-Aware Optical Network Virtualization in Single-Line-Rate and Mixed-Line-Rate WDM Networks, IEEE/OSA Journal of Optical Communications and Networking (JOCN), 5(4), pp , April 213.

Fully Programmable Network Fabric OVS OVS OVS Rack1 Rack2 Rack3 Server Server Server Server Server Server Server Server Server Topology Manager OVS OVS OVS Forwarding Rules Manager OVS OVS OVS

21 Fully Programmable Network Fabric OVS OVS OVS Rack1 Rack2 Rack3 Server Server Server Server Server Server Server Server Server Topology Manager OVS OVS OVS Forwarding Rules Manager OVS OVS OVS Service Abstraction Layer 1G SFP+ OF lib with proposed extension ToR3 (FPGA) Agent ToR2 (FPGA) Agent Ethernet Frame ToR1 (FPGA) Agent Agent TL1 Agent Back Plane ( Polatis) Plugin extended OF msg. OPS Extended modules Application Agent Raw socket REST SDN Controller

22 VDC deployment and configurations

Slice Digital City Virtualization Network Slicing Compute/Cloud Control Compute Slicing Network Control

23 API API City Experimentation As a Service City Experimentation As a Service Virtual City Control & Virtual City Control & Management Management City OS SDN Enabled Virtual Infrastructure Control City Slice City Slice Digital City Virtualization Network Slicing Compute/Cloud Control Compute Slicing Network Control Multi-tenancy & Usage Policy Devices Control SDN Enabled Virtualization SDN Enabled Infra. Vendor and Technology Agnostic

Compute/Cloud Control Net Traffic Stat Compute Slicing Network Control Knowledge Building User Behavior SDN Enabled Virtual Infra

24 API API City App Store City Experimentation As a Service Test-bed as service Test-bed as service Virtual City Control Kwonledge Virtual City Control Kwonledge City OS City Slice City Slice SDN Enabled Virtualization Digital City Virtualization Network Slicing Compute/Cloud Control Net Traffic Stat Compute Slicing Network Control Knowledge Building User Behavior SDN Enabled Virtual Infra Control Mobility Pattern Multi-tenancy & Usage Policy Devices Control User defined Knowledge Knowledge SDN Enabled Infra. Vendor and Technology Agnostic

25 What is on offer? First SDN-based solutions for Smart Cities & Smart Venues New applications User Administrator Showcases at Bristol as leading innovator in smart environment technologies Access to SDN & Network Virtualization expertise Opportunity to commercially exploit the solutions through an ecosystem of encouraging and supporting technology SMEs/spin-outs

26 Thank you for your attention!

Bristol Is Open. Dimitra Simeonidou Prof. of High Performance Networks CTO, Bristol Is Open 17/03/15

Bristol Is Open. Dimitra Simeonidou Prof. of High Performance Networks CTO, Bristol Is Open 17/03/15 Bristol Is Open Dimitra Simeonidou Prof. of High Performance Networks CTO, Bristol Is Open 17/03/15 The first Joint Venture between the Council & the University Why are we doing this? How are we doing