E T R I E l e c t r o n i c s a n d T e l e c o m m u n i c a t i o n R e s e a r c h I n s t i t u t e ETRI Proprietary One-to-Many Video Delivery using Relayed Multicast Scheme Shin-Gak Kang, Juyoung Park Electronics & Telecommunications Research Inst itute January 28, 2004 17th APAN Meetings/Jt Techs Workshop
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One-to-Many Video Delivery using Relayed Multicast Scheme
One-to-Many Video Delivery using Relayed Multicast Scheme. Shin-Gak Kang, Juyoung Park Electronics & Telecommunications Research Institute January 28, 2004 17th APAN Meetings/Jt Techs Workshop. Contents. Background IP Multicast vs. Overlay Multicast RMCP General RMCP Components - PowerPoint PPT Presentation
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ETRI Proprietary
One-to-Many Video Delivery using Relayed Multicast
Scheme
Shin-Gak Kang, Juyoung ParkElectronics & Telecommunications Research Institute
Is Multicast needed ?• Although the Network BW is increased enormously, Multicast Funct
ion is still required for the Applications such as Internet Live Broadcasting, Network Game, and File Distribution for Large number of Users (Receivers)
Solutions for Multicast Service• IP Multicast is a good solution for many Applications, but it is not a
pplicable to some Applications • Various End-to-end Multicast Protocols over IP Multicast are develo
ped, which are providing- Realtime Data Transport Services- Reliable Data Transport Services
Are the current Internet Environments ready to provide Multicast Service ?• Most of Public Internets don’t provide Multicast Services• All Network Routers are not ready to provide IP Multicast
Alternative Solutions for Multicast Service• Overlay Multicast Scheme is developed for providing Multicast Serv
ice over the Public Internet Environment that doesn’t support IP Multicast within network
• Overlay Multicast is called as an Application Multicast• Overlay Multicast Service is provided in general by combination of
Unicast Tunneling and IP Multicast• There are no Standardized Overlay Multicast Protocols yet.
RMCP-1 : Framework• Describe General Concept and Terminologies for Relayed Multicast
Protocol• Describe RMCP Scenarios for Various Applications• Describe Overall structure of RMCP
RMCP-2 : RMCP for One-to-Many Applications• 1:N Tree Configuration and Management Mechanism• Define Types and Formats of Control Messages• Data Transport Mechanisms for 1:N Realtime Applications• Data Transport Mechanisms for 1:N Reliable Applications
RMCP-3 : RMCP for Many-to-Many Applications• N:N Tree Configuration and Management Mechanism• Define Types and Formats of Control Messages• Data Transport Mechanisms for N:N Realtime Applications• Data Transport Mechanisms for N:N Reliable Applications