1. GGF12 -Brussels draft-ggf-ghpn-opticalnets-2 Opticalnets-2

2. GGF12 -Brussels draft-ggf-ghpn-opticalnets-2 History of the Draft n Work on the draft started June’03 (first submission before GGF9-Chicago-Oct.’03) and went through several stages of review within the ghpn research group n “Optical Network Infrastructure for Grid”, Grid Forum Informational Draft: http://www.ggf.org/Public_Comment_Docs/Documents/draft-ggf-ghpn-opticalnets-2.pdf Dimitra Simeonidou (ed.), Reza Nejabati (ed.), Bill St. Arnaud, Micah Beck, Peter Clarke, Doan B. Hoang, David Hutchison, Gigi Karmous-Edwards, Tal Lavian, Jason Leigh, Joe Mambretti, Volker Sander, John Strand, Franco Travostino n On the 10 th of September became available for a 30-day public comment

3. GGF12 -Brussels draft-ggf-ghpn-opticalnets-2 Outline n 1. Introduction n 2. Grid applications and their requirements for high speed, high bandwidth infrastructure n 2.1 Optical networking for high bandwidth applications n 2.2 Limitations of packet switching for data-intensive applications n 2.3 End-to-end Transport protocol Limitations n 2.4 New transport protocols n 3. Photonic Network topology for Grid n 4. Optical switching technology and transport format considerations for Grid n 4.1 Wavelength Switching n 4.2 Wavelength Switching – Hardware Infrastructure n 4.3 Wavelength Switching–Software Infrastructure for Network Scheduling n 4.4 Wavelength Switching – Economics n 4.5 Hybrid Router/Wavelength Switching n 4.6 Optical Burst Switching

4. GGF12 -Brussels draft-ggf-ghpn-opticalnets-2 Outline n 5. Optical switching nodes for photonic Grid n 5.1 Multicasting in optical switching nodes a requirement for photonic Grid n 5.2 Photonic Multicasting n 5.3 Controlling Light Trees n 5.4 Application of Photonic Switches as Cluster-interconnects and Ingress Multicasting for Data Replication n 6. Optical network control and signalling n 6.1 Standardization Activities n 6.2 Grid User Network Interface (GUNI) n 6.3 Grid Resource Network Interface n 6.4 OBGP n 6.5 Control Plane Summary n 7. Forgotten????

5. GGF12 -Brussels draft-ggf-ghpn-opticalnets-2 Outline n 8. Optical Networks as Grid service environment n 8.2 Optical Network Resources n 8.3 Optical network as a Grid service n 8.4 Grid Resource Management issues n 8.5 Network Specific Issues n 8.6 High level GUNI services n 9. QoS for the Grid optical transport n 9.1 Physical Layer Impairments n 9.2 All-photonic networks n 9.3 Physical layer monitoring and the control plane n 9.4 Potential Optical Grid Networking Architectures n 10. Security Considerations n 10.1 Threats n 10.2 Strengths n 10.3 Design options

6. GGF12 -Brussels draft-ggf-ghpn-opticalnets-2 Ready for Public Comments n The draft is Informational: To inform the community about a useful idea or set of ideas n For public comments: n http://www.ggf.org/Public_Comment_Docs/Public_Comment_Documents.htm http://www.ggf.org/Public_Comment_Docs/Public_Comment_Documents.htm

7. GGF12 -Brussels draft-ggf-ghpn-opticalnets-2 Proposal for a New Draft n Grid Optical Burst Switched Networks (GOBS) n A realistic optical transport technology for the near future n Optical burst switching n Separation of the control and data planes n Brings together the complimentary strengths of optics and electronics n Allows for fine-grain multiplexing of data over a single lambda n Offers transport for a wide variety of Grid applications with user/application-initiated light path setup n Direct match of application requirements (large or medium size jobs) n Can enable network to offer fine granularity bandwidth services n Efficient : “optimal” routing decision per job n Possible near bufferless operation n Deflection routing, inexpensive wavelength conversion, increasing number of channels per fiber, small FDLs

8. GGF12 -Brussels draft-ggf-ghpn-opticalnets-2 Proposed Outline for a New ghpn Draft n Next generation optical Grids i.e. not only for  escience, data intensive users n The fundamental premise of OBS for Grid applications n A dynamic photonic network for the large and the smaller user n Grid-OBS (GOBS) network elements n Technology requirements n Switch architecture & control n Control plane and signalling considerations n Protocols for end-to-end user/application initiated OBS connections n i.e. Just-In-Time (JIT) control and signalling protocol n Interoperation with existing controls i.e. GMPLS

9. GGF12 -Brussels draft-ggf-ghpn-opticalnets-2 Proposed Outline for a New ghpn Draft n Definition of Grid services for optical burst switching n Interaction with Grid middleware n SLAs in the OBS networks n QoS provisioning n Application layer consideration n Physical layer considerations n Addressing blocking n Advanced network concepts and solutions n i.e. programmable, active, self organised GOBS n Security

10. GGF12 -Brussels draft-ggf-ghpn-opticalnets-2 Contributors n Groups already expressed interest to contribute n University of Gent: Dr Bart Dhoedt, Prof. Piet Demeester n Osaka University: Prof. Ken-ichi Kitayama n Tokyo University: Prof. Tomonori Aoyama n BUPT (Beijing university of Posts and Telecommunications): Prof. Jian Wu n University of Lancaster: Prof. David Hutchinson, Stephen Eccles n Athens Information Technology Centre: Prof. I Tomkos, Prof. A. Tzanakaki n MCNC institute: Dr Gigi Karmus Edwards n Permission is required by ghpn Open for contributions Express interest to: ghpn-wg@gridforum.org, dsimeo@essex.ac.ukghpn-wg@gridforum.orgdsimeo@essex.ac.uk