Transcript 2040927-ITF-Mazurek

Two-level Content Delivery System
in PIONIER Optical Network
for interactive TV services
Cezary Mazurek
Poznan Supercomputing and Networking Center,
Poland
[email protected]
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
Project partners
iTVP Platform general overview
• Content Provider
System
• Content Delivery
System
• License Management
and Accounting
• Interactive Portal
PIONIER network
CDS structure
Hierarchical
two-level
content distribution system
CDS core functions (1)
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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 (2)
• reporting
– active and passive data gathering
– provides reports on system usage and errors
• system management
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system configuration
servers management
startup/shutdown options
available through management portal
CDS technology overview
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Microsoft Windows 2003 Server
Windows Media Services
.NET Framework
.NET Remoting
ASP.NET
WebServices
Microsoft Message Queue
CDS summary
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
Contact
Poznań Supercomputing
and Networking Center
Cezary Mazurek
Network Services Department Manager
e-mail: [email protected]
phone: +48 61 858 20 30