6. Subscription
• Request/Response
– You ask and if there is something, you get it. If
there is nothing you have to ask again.
• Asynchronous subscription
– You get it when it’s ready. Even if you are not
ready. *)
*) QOS or prefetch
7.
8. Flow
• Queue overflow
• Actor Mailbox overflow
• Resource exhaustion
• Memory limit
• Connection limit
• Denial Of Service