WP-JP-G Optical networking for grids and e-science First Review Meeting Brussels, 23-24 May 2007

1. WP-JP-G Optical networking for grids and e-science First Review MeetingBrussels, 23-24 May 2007 Presented by: Mario Pickavet

2. WP-JPG: Optical networks for grids and e-science • Leaders: • Dimitra Simeonidou, UoEssex • Mario Pickavet, UGent – IBBT • Advisory Board: • Franco Callegati, DEIS-UniBo • Javier Aracil, UoM • Ioannis Tomkos, AIT • Luca Valcarenghi , SSSUP • Tanya Politi, UoPelop • K yriakos V lachos, RACTI • Partners involved: DEIS-UniBo, SSSUP, UAM, UPC, IBBT, UoEssex, AGH , Telfer, AIT, RACTI, UoPelop, Bilkent

3. JP-G Organization 8 joint activities (covering services – interface – network architectures – some specific research issues) • QoS aware burst aggregation algorithm for Grid applications • QoS aware Fault Tolerance • Grid Optical User Network Interface Architecture • Dynamic Resource Allocation in Circuit-Switched • Grid Optical Burst Switched Network • Hybrid OCS/OBS Grid Architecture • Job Anycast Routing in Photonic Grids • Application Enabled Optical Router Architectures

4. JP-G Topic/Task/TA 1 : QoS aware burst aggregation algorithm for Grid applications Joint Activity participants University of Essex – UESSEX (Activity Leader) Athens Information Technology – AIT Research Academic Computer Technology Institute – RACTI Universidad Autonoma de Madrid – UAM Joint Activity objectives Application specific Grid traffic modelling Grid traffic classification mechanism for the edge router Grid-aware burst aggregation algorithm development

5. JP-G Topic/Task/TA 1 : QoS aware burst aggregation algorithm for Grid applications • Progress & achievements • Implementation of the traffic classification algorithm in FPGA in the Edge router Virtex-II-Pro FPGA with embedded processor • Development and implementation of a application aware traffic classification algorithm • Design of a traffic classification algorithm which takes into account Grid application requirements (computational, storage, network) • Work in progress: • Test and validation of the algorithm with the real data traffic • Collaboration with radio astronomy and particle physics • Planning a joint experiment with radio astronomy and particle physics • Publications Targeting a publication at the end of the activity

6. JP-G Topic/Task/TA 2 : QoS aware Fault Tolerance in Optical Global Grid Computing • Joint Activity participants • Scuola Superiore Sant’Anna – SSSUP (Activity leader) • Akademia Gorniczo-Hutnicza - AGH • Joint Activity objective Assure Quality of Service aware fault tolerance to grid applications: • Maintain not only connectivity after failure but also other Quality of Service (QoS) parameters, such as bandwidth, etc. • Assure Quality of Resilience (QoR) to different applications

7. JP-G Topic/Task/TA 2 : QoS-aware Fault Tolerance in Optical Global Grid Computing Progress Mathematical modelling of reliability Compared simulation results with analytical results on PON recovery schemes Future work Utilize the same type of reliability evaluation by inserting also server fault tolerance scheme Provide an experimental validation of the obtained results Planned mobility action

8. JP-G Topic/Task/TA 3:Grid Optical User Network Interface (G-OUNI) architecture • Joint Activity participants • University of Essex – UESSEX (Activity Leader) • Athens Information Technology – AIT • Joint Activity objectives • Grid Optical User Network Interface (G-OUNI) architectural definitions define procedures between Grid users/resources and optical network • Analysis of optical network constraints study on network and physical layer constraints that critically affect the Grid application performance • Architectural definition of constraint-aware G-OUNI

9. JP-G Topic/Task/TA 3:Grid Optical User Network Interface (G-OUNI) architecture • Progress & achievements • Initiation and presentation of informational standardisation G.OUNI draft in GHPN Open Grid Forum 19 (OGF 19) • G.OUNI definition, capabilities, requirements • Services supported by G.OUNI • Network architectures with respect to G.OUNI • Grid Network Use Cases with respect to G.OUNI • Updated draft and presentation in OGF 20 • Paper accepted for publication in GOBS 2007

10. JP-G Topic/Task/TA 4:Dynamic resource allocation in circuit-switched QoS-aware photonic networks for grid services • Joint Activity participants • Akademia Gorniczo-Hutnicza – AGH (Activity Leader) • Scuola Superiore Sant’Anna – SSSUP • Joint Activity objectives • Provide analysis of dynamic control and resource allocation • Propose circuit-switched architecture suitable for grid services

11. JP-G Topic/Task/TA 4:Dynamic resource allocation in circuit-switched QoS-aware photonic networks for grid services • First steps: • Definition of network topology and architecture of transport layer • Definition of simulation scenarios • Future work: • Analysis of OCS suitability for grid applications • Modifications to resource allocation algorithms to enhance performance • Mobility action planned • Publication of results on international conference

12. JP-G Topic/Task/TA 5: Grid Optical Burst Switched Network • Joint Activity participants • University of Essex – UESSEX (Activity Leader) • Beijing University of Post and Telecommunication - BUPT • Ghent University – IBBT • Research Academic Computer Technology Institute – RACTI • University of Peloponnese – UPelop • Università degli Studi di Bologna- DEIS-UNIBO • Bilkent Universitesi – Bilkent • Joint Activity objectives • Network architecture and physical layer study, design and development • identify edge and core router specific functionality to support Grid application • Edge router and core router physical layer functionality will be verified trough lab demonstration • Control plane study, design and development • study, analysis and design of OBS control plane extensions to support Grid specific networking functionality

13. JP-G Topic/Task/TA 5: Grid Optical Burst Switched Network • This joint activity is currently supported by three mobility actions • Mobility action from BUPT in China • Collaboration on edge router design and implementation • Mobility action from UNIBO-DEIS in Italy • Collaboration on control plane design and implementation • Mobility action from IBBT (Ghent) in Belgium • Collaboration on network architecture and scalable Grid enabled core switch architecture design • Progress & achievements Final stage of a fully functional Grid enabled OBS test-bed • Based on SIP protocol and OBS network Concept • It fully supports Grid functionality and mobility • It can interface to real applications and can be coupled with any type of Grid services • Publications • conferences • accepted for publication on ONDM2007, TridentCom2007, Broadnet2007 • journal • targeting a journal publication at the end of activity

14. JP-G Topic/Task/TA 6: Hybrid OCS/OBS grid architecture Joint Activity participants Ghent University – IBBT (Activity leader) University of Patras – CTI University of Essex – UESSEX Scuola Superiore Sant’Anna – SSSUP Joint Activity objectives Study and design of hybrid OCS/OBS grid architecture Performance study: simulation of hybrid architectures Hybrid OCS/OBS Ingress Node Architecture Network control plane studies and modelling

15. JP-G Topic/Task/TA 6: Hybrid OCS/OBS grid architecture Progress & achievements Supported by mobility action IBBT - UEssex Optimized scheduling algorithm for hybrid optical switch implementation on FPGA evaluation on test bed Future work Extension of current scheduling algorithm Dimensioning of hybrid optical switch, incorporating: Blocking probability Throughput Cost Switch dimensions

16. JP-G Topic/Task/TA 7: Job anycast routing in photonic grids Joint Activity participants Ghent University (IBBT) (Activity leader) Athens Information Technology (AIT) University of Patras (CTI) Joint Activity objectives Multi-constraint anycast routing & deflection algorithms algorithm design evaluation through simulation

17. JP-G Topic/Task/TA 7: Job anycast routing in photonic grids Progress & achievements Development of simulator: Input traffic models: job demand models for grid services Paper accepted for Broadnets2007 Future work Implementation of anycast algorithms in simulator Comparison against unicast/single constraint algorithms Single and/or multiple domains (scalability etc.): multiple domain routing

18. JP-G Topic/Task/TA 8 (with JP-S): Application enabled optical router architectures Joint Activity participants University of Peloponnese – UPelop (Activity leader) Università degli Studi di Bologna- DEIS-UNIBO Joint Activity objectives specify the features and characteristics that the optical router should support in order to be suitable for grid applications propose an optimised optical router architecture investigate the physical performance of the optimum solution through modelling design router control algorithm

19. JP-G Topic/Task/TA 8 (with JP-S): Application enabled optical router architectures Progress & achievements JA has started on T0+10 identification of specific requirements of main grid services on optical router architecture Future work propose a suitable router architecture investigate the physical performance through simulation design router control algorithm

20. Main Achievements • 2 JP-G meetings so far, 1 meeting and 1 workshop planned • Joint papers: 8 published so far • Public deliverables: 2 so far • Shared infrastructure at UEssex for joint experiments • Mobility actions: 3 so far

21. Meetings and Workshops • first JP-G meeting, Zagreb, Sept. 2006 • second JP-G meeting, Barcelona, Feb. 2007 • third JP-G meeting, Athens, May 2007 • ECOC workshop, Sept. 2007: Networks for IT: a New Opportunity for Optical Network Technologies

22. Joint Papers and Standardisation Drafts Conference and Journal Publications 1 M. De Leenheer (IBBT), P. Thysebaert (IBBT), B. Volckaert (IBBT), F. De Turck (IBBT), B. Dhoedt (IBBT), P. Demeester (IBBT), D. Simeonidou (UEssex), R. Nejabati (UEssex), G. Zervas (UEssex), D. Klonidis (AIT), M. O'Mahony (UEssex), A View on Enabling Consumer Oriented Grids through Optical Burst Switching, IEEE Communications Magazine, V ol. 4 4 , No. 3, pp. 1 2 4 – 1 31, IEEE Communications Magazine, March 2006. 2 R. Nejabati (UEssex), D. Klonidis (AIT), G. Zervas (UEssex), D. Simeonidou (UEssex), M. O'Mahony (UEssex), Demonstration of a Complete and Fully Functional End-To-End Asynchronous Optical Packet Switched Network, OFC 2006, Vol. 1, No. 1, pp. 1, USA, March 200 6 . • J. Tapolcai (BME), P. Cholda (AGH), T. Cinkler (BME), K. Wajda (AGH), A. Jajszczyk (AGH), D. Verchere (ALCATEL), Joint Quantification of Resilience and Quality of Service, ICC'0 6 , Istambul, Turkey, June 200 6 . • K . Christodoulopoulos (CTI), E. Varvarigos (CTI), C. Develder (IBBT), M. D. Leenheer (IBBT), B. Dhoedt (IBBT), Job Demand Models For Optical Grid Research, Proc. of ONDM 2007, Athens, Greece, May 2007. • 7 F. Callegati (DEIS-UNIBO), A. Campi (DEIS-UNIBO), W. Cerroni (DEIS-UNIBO), G. Zervas (UEssex), R. Nejabati (UEssex), D. Simeonidou (UEssex), SIP Based OBS networks for Grid Computing, ONDM 2007, Athens, Greece, May 2007. • 8 F. Callegati (DEIS-UNIBO), A. Campi (DEIS-UNIBO), W. Cerroni (DEIS-UNIBO), G. Zervas (UEssex), R. Nejabati (UEssex), D. Simeonidou (UEssex), Application Aware Optical Burst Switching Test-bed with SIP Based Session Control, Tridentcom 2007, Orlando, FL (USA), May 200 7. • G. Z ervas, Reza Nejabati, Dimitra Simeonidou, "Grid-enpowered Optical Burst Switched Network: Architecture, Protocols and Testbed", Workshop on Grid Optical Burst Switching Networks (GOBS), International Conference on Networking and Services (ICNS) 200 7, June 2007, Athens, Greece • Georgios Z ervas, Reza Nejabati, Zhuoran Wang, Dimitra Simeonidou, Siyuan Yu, Mike O'Mahony," A Fully Functional Application-Aware Optical Burst Switched Network Test-Bed ", Optical Fiber Communication Conference (OFC) 2007, paper OWC2, March 2007, Anaheim, California, USA Standardisation Drafts • R. Nejabati (UEssex), G. Zervas (UEssex), D. Simeonidou (UEssex), P. Castoldi (SSSUP), F. Callegati (DEIS-UNIBO), P. Demeester (IBBT), A. Tzanakaki (AIT), J. Wu (BUPT), E. Varvarigos (CTI), Grid Optical Burst Switched Networks (GOBS), Open Grid Forum Draft, January 2007. • G. Z ervas (Uessex) , R. Nejabati (UEssex), D. Simeonidou (UEssex), E. Escalona (UPC), et. al., Grid User Network Interface (GUNI), Open Grid Forum Draft, May 2007

23. Shared research facilities @ UEssex • Data Plane: • A hybrid optical network test-bed consisting of: • Optical Wavelength switching (OWS) • Optical Burst-Switching (OBS) • High-speed Optical Time-Domain Multiplexing (OTDM) • IP/MPLS Routers • GigEthernet/VLAN switching • Control and management plane • Open source GMPLS (PHOSPHORUS and DRAGON) • OBS JIT • Network Resource Provisioning Systems: UCLP • Control plane implementation on reconfigurable hardware (FPGAs) • Service Plane • UNICORE, Globus middleware • IMS architecture and SIP • Computational Resources • One CPU cluster node with a 20 Intel Dual core CPU and 20G RAM • 4TB of attached Storage and two file servers • Connectivity • GE and Dark Fibre connectivity to UKLight and SuperJanet5 • 8 x 1GE connectivity to GEANT2 • 10G link to US

24. UEssex Hybrid Test-bed University of Essex local test-bed architecture

25. UEssex OBS Test-bed

26. external Mobility Actions • Zhang Wei, BUPT  UoEssex, 15/01/2007-15/03/2007 • Marc De Leenheer, IBBT  UoEssex, 15/01/2007 – 15/03/2007 • Aldo Campi, DEIS  UoEssex, 01/10/2006 – 31/03/2007

27. JP Budget Allocation Criteria • 60 K for collaboration in joint activities 7.5 K / JA • 10 K for mobility exchanges 2 K / exchange

28. Resources employed: Effort 44%

29. Resources employed: Budget 36%

30. Plan for Second Year • JAs: elaborated research, main results • ECOC workshop, Sept. 2007: Networks for IT: a New Opportunity for Optical Network Technologies

31. Final Comments • Quite interesting research topic, many collaborating partners • Time schedule: on track • Many tangible integration results: • joint papers • exchanges • workshop organisation • ...