Multicasting

Keywords

- Unicasting
- Multicasting

Multicast group

Archetypal Multicast API

- join
- leave
- send 
- receive

Reliable Multicasting

• guarantees that each message is eventually delivered to each process in the group
• no restriction on the order

Unordered

FIFO multicast

• places no restriction on the delivery oder among different processes

Causal Order Multicast

Atomic order multicast

Unreliable Multicasting

• make a good-faith attempt to deliver messages
• arrival of the correct message at each process is not guaranteed