Future Internet Research using OpenFlow

Transcription

1 13 th German-Japanese Symposium Future Internet Research using OpenFlow NEC Corporation 13 September, 2010 Page 1

2 Agenda Trend of ICT world Infrastructure virtualization and Network OS OpenFlow for network programmability Research activity examples OpenFlow trials Conclusion and future issues Page 2

3 Trend of ICT world Page 3

4 Internet innovations from consumers Innovato University, Industry Students, Small Any Infrastructur evolution Infrastructur first Tunable infrastructur Infrastructure and service co-design Innovating 1K x 100K x 10M x technologie =3/year =300/year =30K/year User participation Big Bang in the number of innovators Page 4

5 Cloud as a resilient and metamorphous Infrastructure Various applications and services are coming by many innovator Various applications and services require ICT infrastructure to support optimized and customized environments ICT infrastructure should provide the required environment to servicers rapidly and dynamically Each application and service requires ICT infrastructure to realize different topology, different characteristics, and different quality. Resilient and Metamorphous ICT infrastructure Page 5

6 Goal of our study Re-innovate ICT infrastructure Programmability and virtualization Re-adapt ICT infrastructure to future ICT society Rapid deployment and optimization of ICT infrastructure Infrastructure like a software OpenFlow Providing network programmability Network OS Providing infrastructure programmability and visibility Page 6

7 Infrastructure virtualization and network OS Page 7

8 Infrastructure virtualization for innovators Control programs + Virtualized resources Routing Saa S Broadcasting Application/ Communication Service Service service Scope of Carrier Network & Distributed OS Data Center VM Mgmt. Entertainment Personal Life Sports Emergency Medical Next-Generation SNS Routing Security Disaste r Sensor Traffic Sensor Web-like interfaces for mash-up Security Weather Sensor Sensor Network Routing Measurement monitoring Human Sensor Virtual infra. Resource allocation and programming Physical infrastructure OpenFlow switch Optical OpenFlow Virtualized WiMAX Virtual machine Page 8

9 Software platform for infrastructure virtualization Network OS := platform software for integrated control plane Control server Communication Service Saa S Broadcasting Service Carrier & Distributed Data Center Control software suite for virtual infrastructure B Control software suite for virtual infrastructure A Routing VM Mgmt. Entertainment Personal Life Sports Emergency Medical Next-Generation SNS Measurement monitoring Network OS Disaste r Sensor Traffic Sensor Sensor Network Security Weather Sensor Human Sensor Resource and service mgmt. OpenFlow switch Optical OpenFlow Virtualized WiMAX Virtual machine Physical infrastructure Page 9

10 Requirements for a Network OS Provide platform for virtualized infrastructure control Controls for virtualized network, computer and storage resource, etc Abstraction and uniformed management of resources Realize rapid research prototyping and collaboration Rapid prototyping and deployment Collaboration between isolated virtual infrastructures Experiment at a scale for production use Distributed and scalable controller platform Dynamic service/experiment plug-in Runtime program module management, FCAPS Page 10

11 Dynamic research collaboration Services created by one researcher are utilized by other researchers Recursive cooperation of slices Controllers Experiment on Packet switch Real-time cooperation of slices on Network OS Experiment on dynamic routing Experiment on CDN Experiment on mobility Planning and management Clearing House Service := synthesized resource provided by a slice Slice := a set of software modules + virtualized resources Packet Switch Optical Switch Virtualized WiMAX Virtual machine Page 11

12 Network OS implementation; Helios Virtual infrastructure A Virtual infrastructure B User User User User module module module module Open API OpenFlow Measurement and visualization application framework application framework Distributed system platform (messaging, module management, etc) Service repository Linux Linux Linux Linux Page 12

13 OpenFlow for network programmability Page 13

14 OpenFlow overview Network node: dumb but fast Control server: as dumb or intelligent as you want it to be Internet NGN OpenFlow Path calc Forwarding Application / service TCP/IP Security QoS Path calc Forwarding Application / service SDP Forwarding Security QoS Path calc New API Open Interface(s) Control server Router Router OpenFlow switch Page 14

15 OpenFlow switching mechanism Flow-based operation Flexible definition of Flow Variety of actions Proactive and reactive actions sw OpenFlow Switch Secure Channel OpenFlow Protocol Rule Action Statistics Deeply programmable (without modifying data-plane; thus no performance cost) OpenFlow Controller Packet hw Rule Action Statistics Rule Action Statistics Flow Table Packet Add/delete flow entries Encapsulated packets Page 15

16 Flexible programmability through Flow Traditional switching/routing L2(MAC) switching L3(IP) routing Port /λ/vc Wireless Dest. MA Src MA VLA tag Dest. IP Sr IP Dest. port Src Por Payloa Flow FLOW =arbitral combination of L1, L2, L3, and L4 headers Flow-based switching can be packet forwarding at any layers (multi-modal forwarding) Page 16

17 Research activity examples on virtualized network infrastructure Page 17

18 Our local research testbed Research activity mush-up in our lab IP emulation ALL research prototyping on Helios Birth-marriage-death cycle of technologies in our lab Mutually utilize, mutually dependent Flow aggregation extension Path manager Path resolver Efficient multipath calculation extension Topology discovery Network topography Active probe Network OS Helios Flow measurement Control Researches on mobile network Open APIs Controller Researches on virtual machine control Research testbed (data-plane) Page 18

19 Location-free IP routing OpenFlow-based ID/locater separated routing ID : IP and MAC addresses (not used for locator) Locator : Switch ID and port Logical subnets with dynamic host allocation Flow-driven dynamic path setup Legacy L2/L3 communication emulation Controller Logical subnet A OpenFlow network Logical subnet B Dynamic path setup ARP/DHCP/DNS handling by controller Page 19

20 Flow-based mesh network Why flow-based mesh network Changes of traffic pattern in data center Classical tree network topology makes less sense Replacing big box to a number of commodity switches Cost and power consumption benefits Our researches Efficient multi-path path calculation (MLB routing) Flow-table compression (SourceFlow) Page 20

21 Virtual datacenter cloud Clearinghouse GUI Flow Visualization Tool GUI Server Load Monitor GUI Server allocation Location-free IP routing Flow-based mesh NW Server allocation to subnet groups GUIs for virtual network A and B Server load at virtual network A Controllers Switch pool Demo Start Physical infrastructure Server pool Page 21

22 Other researches on our local testbed Network tomography Network failure location analysis via a set of probe traffic Arbitral probe traffic routing via OpenFlow Flow quality measurement Integrated IPFIX support In-band management channel Control channel (between switches and controllers) Dynamic flow and topology visualization Helios stores centralized view of various network data WiFi-WiMAX seamless handover Page 22

23 OpenFlow trials Page 23

24 OpenFlow switch prototyping and trials 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 (OpenFlow can emulate legacy functions, though...) Controller A Trials at 8 US universities and companies OpenFlow A VLANs OpenFlow B VLANs OpenFlow C VLANs Production VLANs Flow Table Flow Table Flow Table Normal L2/L3 Processing Controller B Controller C Stanford university Working in campus wiring closet University A University B Company B University C University D Company A University E Page 24

25 OpenFlow demonstration at GEC 3rd Transpacific demonstration between JGN2plus and GENI Engineering Conference 3 rd, Oct., 208 (1) Flow dragging (2) VM and session migration for mobile PC (3) Transpacific VM Migration JGN2plus / APAN Internet 2 CENIC Stanford campus backbone Tunnel JGN2plus POP in Tokyo OpenFlow controller PC Tunnel Stanford Gates Building VM PC PC Switch Switch OpenFlow OpenFlow VM switch switch Page 25

26 OpenFlow Project with Stanford Mixed network of production network and research network 1 x legacy slice : Legacy VLAN / Internet Traffic. 2 x OpenFlow production slice : faculty and student s network 1 x OpenFlow experimental slice: 4 different on-going experiments NEC Wiring closet in Gates building Page 26

27 OpenFlow mobile integration WiMA BS ODU OpenFlow (w/ Mobility M WiMA BS WiMAX Handover WiFi Wireless APs deployed in Gates (30 APs) Gates104 Streaming Router OpenFlow switch network OpenFlow I/F Dataplane IDU : Indoor Unit ODU : Outdoor Unit MS : Mobile Station Trial at Stanford: 1)OpenFlow mobility trial using 100 Wifi, 1 NEC WiMAX BS. 2)Trial of Wifi-WiMAX vertical H/O, And potential use of dynamic flow management OpenFlow use model For mobile operator Mobile WiMAX Basestation (NEC) GHz Tx power (Max): 40dBm (10W) Bandwidth: 5 or 10MHz FCC Experimental License : Upto 27dBm (502.1mW) Antenna (3dBi) ASN-GW (Linux PC) Basestation Page 27 On wiring tray along the corridor Client card (CardBus)

28 OpenFlow on GENI network (planned) Page 28

29 Experiments at JGN2plus network Wide area OpenFlow deployment on JGN2plus network 17 OpenFlow switches at 10 locations, 5 major cities 10Gbps links for uncompressed HD-TV transmission 6 slices are created for individual virtual OpenFlow networks Sapporo snow festival demonstration(6-7, Feb. 2010) Collaboration with TV company and Korean OpenFlow network Sapporo Sapporo Fukuoka Tokyo Osaka 6 created Fukuoka Okinawa Tokyo Osaka Page 29 Okinawa

30 Experiments at JGN2plus network cont d Extension for Helios modules P2p, p2mp, bi/tri-cast extension to Path Manager Real-time flow monitor module Experiments HD video transmission via p2p/p2mp path Dynamic path setup = 7msec/path Real time flow/topology monitoring Flow and topology visualization GUI screen shot Page 30

31 Conclusions and future issues Page 31

32 Conclusion Programmable and virtualized infrastructure OpenFlow enables flexible programmable network Network OS provides software platform for integrated control plane of virtual infrastructure Communication Service Saa S Broadcasting Service Carrier & Distributed Data Center Entertainment Personal Life Sports Emergency Medical Next-Generation SNS Network OS Disaste r Sensor Traffic Sensor Weather Sensor Sensor Network Human Sensor Controller Page 32 OpenFlow switch Optical OpenFlow Virtualized WiMAX BS Physical infrastructure Virtual machine

33 Future issues Helios as Open Source Software More and more mash-up on network OS Network control IT system control Network OS Broadcasting Mobile Phone Resource sharing Smart Grid Sensor Network Various applications Control Open APIs Controller Research testbed (data-plane) Page 33

34 Thank you! Page 34

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