W3C Workshop on Push Technology
Current Unicast Push
- Conceptually different from pull but practically similar.
 - Poor scalability.
 - Heavy traffic with a large number of clients.
 - Query frequency.
 - Strong coupling between channel provider and receivers.
 - Need to keep client's state (yet private) information.
 - Too many solutions.
 
WebCanal: Multicast Based Push (Tie Liao)