W3C Workshop on Push Technology
Data Channels
- a virtual information repository where data can be put and served
at any time and anywhere.
 - shared.
 - properties: publisher, logo, category, audience, etc.
 - subscription.
 - billing.
 - information persistency.
 - extensions: File Channel, Message Channel, Update Channel, etc.
 
WebCanal: Multicast Based Push (Tie Liao)