1. Grid Optical Bust Switched Networks GGF16 R. Nejabati Report on Progress of : Grid Optical Burst Switched Networks Draft The draft aims to inform the community about set of ideas regarding a new optical infrastructure able to support evolving and emerging Grid applications

2. Grid Optical Bust Switched Networks GGF16 R. Nejabati New Solutions, Architectures and Technologies are Emerging n Evolving Grid applications: n Need infrastructures that makes vast amount of storage and computation resources potentially available to a large number of users. n Need for user controlled network infrastructure : n Scientific collaboration in smaller scale (e.g. bioinformatics, environmental research) n Distributed virtual laboratories (e.g. remote instrumentation), n E-health, n National security and defense, n Personalized learning environments and digital libraries n Evolving broadband user services (i.e. high resolution home video editing, real-time rendering, high-definition interactive TV). n A wavelength-switched based optical network for transport between job origin and remote resource location will be very inefficient

3. Grid Optical Bust Switched Networks GGF16 R. Nejabati Optical Burst Switching (OBS) a Promising Technology for Grids Optical Burst n Bandwidth granularity n From packet level to circuit (wavelength) level n Separation of control and data plan n Electronic processing of the burst-control packet at each node n All-optical data transmission Grid Application n Native mapping between bursts and Grid jobs n Clear job delivery semantics n Single control protocol layer n the network infrastructure can offer Grid protocol-layer functionalities n OBS can deal with a wide variety of applications and accommodate, medium and large size jobs, short lived & long lived Grid relationships

4. Grid Optical Bust Switched Networks GGF16 R. Nejabati Grid Optical Burst Switched Networks Draft Current Situation n Contribution from 11 organisations n 7 contributors from 4 European countries (UK, Italy, Greece, Belgium) n Ephotone/one n University of Essex (D.Simeonidou, R.nejabati, G.Zervas) n Nextworks s.r.l (Nicola Ciulli, Gino Carrozzo) n Scuola Superiore Sant'Anna (Pierro Castoldi, Luca Valcarenghi ) n DEIS – University of Bologna (Franco Callegati ) n University of Gent (Piet Demeester, Marc De Leenheer,Bart Dhoedt) n AIT (Anna Tzanakaki) n University of Patras (Emmanuel (Manos) Varvarigos, Kyriakos Vlachos) n n USA n North Carolina State University (Lina Battestilli ) n MCNC, Research & Development Institute (Gigi Karmous-Edwards) n Japan n Photonic Internet Forum, Japan (Ken-ichi Kitayama) n China n Beijing university of Post and Telecommunication (BUPT) (Zhoujun Yu, Jian Wu, Hongxiang Wang) n Draft covers 3 main areas: n Physical layer & network elements requirements n Control plane issues n Network concepts and advanced Grid-OBS network scenarios

5. Grid Optical Bust Switched Networks GGF16 R. Nejabati Grid Optical Burst Switched Networks Draft Grid-OBS network elements n Core router n Switching speed n Small jobs (small bursts/short offset time) n Fast switching speed for high throughput n Large jobs( large bursts/long offset time) n Slow switching speed n Multicasting n Resource discovery n collaborative service n Architecture n Combination of slow MEM switches with fast SOA based switches n intelligent and fast electronic control

6. Grid Optical Bust Switched Networks GGF16 R. Nejabati Grid Optical Burst Switched Networks Draft Grid-OBS network elements n Edge router n Interfacing between user and network n Grid user network interface n Grid user to network signalling n Flexible bandwidth allocation n Support for claiming existing agreements n Grid job classification n Burst construction and transmission n Interfacing between resource and network n Grid resource network interface n Support for existing agreement n Job submission n Propagation of resource related events n Propagation of service related event n Sending back results to source or multiple destinations

7. Grid Optical Bust Switched Networks GGF16 R. Nejabati Grid Optical Burst Switched Networks Draft Grid-OBS Control plane and signalling n Connection setup mechanism n Signalling and routing n Optical network resource allocation, reservation and scheduling n Physical layer issues: Multicasting and OBS, Buffering issues n QoS provisioning for Grid services n QoS parameters & Grid applications n Buffering, edge delay, network jitter, protection, restoration, latency n User-resource and resource-resource distance, occupancy and availability n GMPLS and OBS solution for Grid Differentiated Service provisioning n QoS Grid Resource Management n Constrained based physical layer routing and signaling n OBS over GMPLS (O2G) control plane architecture n Control Plane architecture for Grid services support in wide-area multi-domain optical networks

8. Grid Optical Bust Switched Networks GGF16 R. Nejabati n OBS for Consumer Grid applications n Large number of small users: e.g. home users n Self-organised OBS network n One job is mapped into one burst n Burst control header carries n Routing information n Resource request and job information n Data burst carries n User’s job n User doesn’t specify resource location n Resources are allocated on the fly by OBS core routers n Based on network resource availability n Computing resources availability n Control plane issues for consumer Grid application n Control plane flexibility n Support for large number of users n Support for large number of application n Control plane speed Grid Optical Burst Switched Networks Draft Advanced network concepts & Specific Implementations I

9. Grid Optical Bust Switched Networks GGF16 R. Nejabati n Wavelength routed OBS network for Grid n Network architecture n Edge router Grid job construction transmission n Core router routing/ resource allocation n Control plane Architecture n Control unit acts as Grid Resource manager n Distributed or central n Grid Network Scenario n Burst control header n carries resource request and job information n Core router n Perform resource discovery and allocation (distributed control plane) n Backward message n Reserve the path and resources n Data burst carries n User’s job Grid Optical Burst Switched Networks Draft Advanced network concepts & Specific Implementations II

10. Grid Optical Bust Switched Networks GGF16 R. Nejabati n Application aware OBS network n Users with small, medium or large size job : e.g. home user - scientific collaboration n Short/long lived connectivity n Programmable OBS network for Grid n Network is able to recognise and process user demands/request n Active OBS routers are able to intercept with active bursts( Grid resource request information) n User can chose among available resources n Grid Network Scenario n One job is mapped into two bursts n Resource request/spec burst :active burst n User’s job burst n Resource request/spec burst n Burst control header :multicasting, informing network about active burst n Data burst carries resource request and job specification: processed by active OBS router n Backward message inform user about available resources n User specify/select resource location n Send job burst to preferred resource Grid Optical Burst Switched Networks Draft Advanced network concepts & Specific Implementations III

11. Grid Optical Bust Switched Networks GGF16 R. Nejabati n Optical burst Ethernet switched transport protocol for Grid n A transport format taking advantage of Ethernet for Control and signalising n Brings the strength of Ethernet synchronization to the sub-wavelength optical domain n Synchronization between routers is being constantly provided n Next-generation TCP or UDP protocols can be applied to provide a reliable transport layer over the unreliable network layer. n This transport protocol can be adapted by all previous scenarios Grid Optical Burst Switched Networks Draft Advanced network concepts & Specific Implementations IV

12. Grid Optical Bust Switched Networks GGF16 R. Nejabati Grid Optical Burst Switched Networks Draft Future Works (Next Draft) n Use case and advanced network concept n Use case scenarios developed in Japan n Use case scenario for medical application (developing in UK) n Control plane and signalling n Reliable transport control technology for Grid-OBS n Ultra fast optical path setup protocol for Grid-OBS and its optical implementations n Security issues in Grid-OBS networks n Finalisation and preparation for final submission before GGF18 Thank you