1. Two-level Content Delivery System in PIONIER Optical Network for interactive TV services Cezary Mazurek Poznan Supercomputing and Networking Center, Poland mazurek@man.poznan.pl

2. The iTVP project aims at providing LARGE SCALE access to live and on-demand high quality multimedia streams assuring security and accountability of the service Project duration: iTVP Concept & Design Jun 2003 – Nov 2003 iTVP Platform Model Dec 2003 – Nov 2004 Integration & Tests Dec 2004 – Nov 2005 Deployment Dec 2005 – Nov 2006

3. Project partners

4. iTVP Platform general overview Content Provider System Content Delivery System License Management and Accounting Interactive Portal

5. PIONIER network

6. Hierarchical two-level content distribution system CDS structure

7. content distribution and delivery –live, VOD, nVOD –content replication, migration and removal request routing –allows to direct users to best proxy/cache servers –supports load balancing –authentication and authorisation monitoring –system load and status –critical events identification and logging –parameters: CPU load, free memory, network interfaces load, discs load and free space, –active distribution and delivery transactions CDS core functions (1)

8. reporting –active and passive data gathering –provides reports on system usage and errors system management –system configuration –servers management –startup/shutdown options –available through management portal CDS core functions (2)

9. Microsoft Windows 2003 Server Windows Media Services.NET Framework.NET Remoting ASP.NET WebServices Microsoft Message Queue CDS technology overview

10. Features: based on IP network component-based architecture independent from broadband access network technology & operator supports many content providers supports end-to-end multimedia delivery chain worldwide cooperation possible (Poland, GEANT, Abiliene, …) provides environment for scalable high-quality multimedia services deployment Design issues: scalability & availability security authentication and authorization support for different distribution modes easy integration with other platform components CDS summary

11. Poznań Supercomputing and Networking Center Cezary Mazurek Network Services Department Manager e-mail: mazurek@man.poznan.pl phone: +48 61 858 20 30 Contact