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1 Infrastructure virtualization using OpenFlow HIDEyuki Shimonishi System Platforms Research Labs, NEC corp 11 th Feb, 2009 Page 1

2 Backgrounds Illusion of one fits all IP network Variety of new services have added variety of new mechanisms complicated system management Closed access to infrastructure Expectation for Future Internet Clean slate architecture Variety in architecture t and birth-and-death d evolution Keep research(er) running; faster and faster Accelerate birth-and-death evolution with virtualization Page 2

3 Goal of our study Our goal is to develop technologies for infrastructure virtualization (and verify them on experimental NW) Openness to infrastructure Virtualization of infrastructure Modularity of infrastructure Programmability in infrastructure Substrate Site A Virtualisation of Resources ( Task 3.2) PWN PWN Urban Grid Access Network Sensor Net Suburban Hybrid Access Network PEC PEN PEN PEN GGW Internet Site B GGW PCN PCN Provisioning of Virtual Networks ( Task 3.3) GENI Backbone PCN Virtualised substrate Page 3 PWN USA: NSF GENI Project PWN: Programmable Wireless Node PEN: Programmable Edge Node PEC: Programmable Edge Cluster PCN: Programmable Core Node GGW: GENI Gateway Virtual Network Virtual Network Management of Virtual Networks ( Task 3.3) EU: FP7 4WARD Project

4 Basic approach Loosely coupled independent systems with embedded control-plane closed infrastructure Variety of data plane equipments and integrated control- plane open interfaces between them (control-plane := signaling plane or routing protocol plane, rather than management plane) Control system Service Control system Computer Control system IP network Control system Programmability at control plane (rather than data plane) Openness to infrastructure Integrated control plane Service Integrated control system Open interfaces Optical transport Mobile network Plain data-plane

5 Basic idea of OpenFlow (Network wide) separation of control and switching Variety of control software on controller Centralized programming Control software (routing, etc ) Hardware Control software (packet switching) (routing, etc ) OSPF/BGP Router / Switch Hardware (packet switching) Page 5 Control software (routing, etc ) Hardware (packet switching) Router / switch ルータ スイッチ NEC Confidential Controller Programmability for 制 御 ミドルウエア ミドルウエア (central) control Control (ルーティングなど) software (ルーティングなど) (routingf etc ) Virtualization of Network OS network control Open Interface Virtualization of switch instance Hardware プログラマブルノード ハードウエア ) (packet (フロー switching) 転 送 ) OpenFlow switch

6 Operation of OpenFlow switch Flow-based operation Proactive and reactive actions Flexible definition of Flow Variety of actions OpenFlow Switch specification OpenFlow Switch sw Secure Channel Deeply programmable (without modifying data-plane;, thus no performance cost) OpenFlow Controller Server hw Rule Action Statistics Rule Action Statistics Flow Table Add/delete flow entries Encapsulated packets Controller discovery Page 6

7 OpenFlow switch prototype development Works as OpenFlow switch : ) Switch virtualization (Virtual switch instance per VLAN) Multiple projects / complex network on a switch Legacy switch function for production traffic One virtual switch instance can be used as legacy switch Off cause, OpenFlow can emulate legacy functions... Controller A OpenFlow A VLANs Flow Table Controller B OpenFlow B VLANs Flow Table Controller C Stanford Sa oduniversity es OpenFlow C VLANs Production VLANs Flow Table Normal L2/L3 Processing Trials at 8 US universities and companies, as well as GENI Working in campus wiring closet University A University B Company B University C University D Company A University E Page 7 Copyright 2009 NEC Corporation All Rights Reserved.

8 Infrastructure virtualization Creating a virtualized infrastructure Collect a set of virtualized resourcesrces switch instances, virtual machines Install control programs into your own control-plane Your own routing, security, monitor, etc... Integrated control-plane ITS as virtualized infrastructure Tele-surgery Life-log Emergency care Grid Sensor Data-plane as virtualized resources Page 8

9 A system view of virtualized infrastructure Network OS is a key for Openness, Virtualization, Modularity, and Programmability e ) egrated rol plane ontroller Inte contr (on co Saa S Broadcasting Communication Service Service Carrier & Distributed Data Center Entertainment Personal Life Programmable Sports Emergency Medical Next-Generation SNS Virtualization Disaste Human r Sensor Sensor Traffic Weather Sensor Sensor Sensor Network Control software suite for virtual infrastructure B Control software suite for virtual infrastructure A Routing Modularity VM Mgmt. Openness Open interfaces (e.g. OpenFlow, IPFIX, ) Measurement monitoring Network OS Network and computing components OpenFlow Optical WiFi/WiMAX Virtual switch node base station machine Security Storage system Res source m gmt. Page 9

10 Our implementation of network OS A virtual network operator programs his own control on application framework APIs gets resources from service repository Virtual infrastructure A Virtual infrastructure B User User User User User User module module module module module module Open APIs A set of Application Frameworks (OpenFlow, measurement, etc...) Network OS core (Module management, scale-out, etc...) OS/server OS/server OS/server OS/server Service repository Resources Controller OpenFlow Optical WiFi/WiMAX Virtual switch node base station machine Page 10

11 Network OS as a research platform Some research activities in our Lab. Flow aggregation extension Efficient multipath calculation extension Researches on mobile network Researches on virtual machine control Topolo ogy discov ery Path manag ger Path resolv ver IP emulat tion OpenFlow application framework Netwo ork topogra aphy Network OS core Activ ve prob e Loop detect tion Network measurement application framework Open APIs Research testbed (data-plane) In-band management network Control BETA Page 11

12 Experiments at JGN2plus network Wide area OpenFlow deployment on JGN2plus network 17 OpenFlow switches at 9 locations, 5 major cities Sapporo snow festival demonstration(6-7, Feb. 2010) Collaboration with TV company and Korean OF-NW Point-to-multipoint and tri/bi-casting HD video transmission Sapporo (2x10G + 48x1G) x17 Fukuoka k Tokyo Osaka Osaka Flow and topology visualization GUI Okinawa Page 12 Copyright 2009 NEC Corporation All Rights Reserved.

13 Experiments at JGN2plus network cont d Sliced (virtualized) experimental infrastructure On-demand slice creation (tools need to be developed...) Network OS installed Researchers can plug-in their modules (management system need to be developed...) Fukuoka Okinawa Sapporo Tokyo Osaka 6 slices created Fukuoka Okinawa Sapporo Tokyo Osaka, st P-to-MP i/try-cas P bi Flow visualize Network OS Control

14 Conclusion Infrastructure virtualization Openness to infrastructure Virtualization of infrastructure Modularity of infrastructure Programmability in infrastructure Enabling technologies OpenFlow and network OS Research on network OS Experiments at JGN2plus network Page 14 Copyright 2009 NEC Corporation All Rights Reserved.

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