Two-level Content Delivery System Two-level Content Delivery System in PIONIER Optical Network in PIONIER Optical Network for interactive TV servicesfor interactive TV services

Two-level Content Delivery System Two-level Content Delivery System in PIONIER Optical Network in PIONIER Optical Network for interactive TV servicesfor interactive TV services

CCezaryezary Mazurek Mazurek

Poznan Supercomputing and Networking Center, Poznan Supercomputing and Networking Center, PolandPoland

mazurek@man.poznan.plmazurek@man.poznan.pl

The iTVP projectThe 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 partnersProject partners

iTVP Platform general overviewiTVP Platform general overview

• Content Provider System

• Content Delivery System

• License Management and Accounting

• Interactive Portal

PIONIER networkPIONIER network

Hierarchicaltwo-level content distribution system

CDS structureCDS structure

• 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)CDS core functions (1)

• 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)CDS core functions (2)

• Microsoft Windows 2003 Server• Windows Media Services• .NET Framework• .NET Remoting• ASP.NET• WebServices• Microsoft Message Queue

CDS technology overviewCDS technology overview

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 summaryCDS summary

Poznań Supercomputing

and Networking Center

Cezary Mazurek

Network Services Department Manager

e-mail: mazurek@man.poznan.pl

phone: +48 61 858 20 30

ContactContact