Question

Name Student ID Here are codes about direct and indirect communication. Please mark which one is direct communication which one is indirect communication seadla, message)-send a message to mailbox A; receive(A, message) -receive a message from mailbox A send (P, message)-send a message to process P: received, message)-receive a message from process Q Answer: Direct Communication ] Indirect Communication 』 4. When several processes share the same mailing box, we may get conflicts. Please list three solutions to deal with the conflicts Answer: 英语(美国) □焦点

Answer 1

3. Direct Communication

Send(p,message) Receive (q, message)

In direct Communication processes will explicitly name the sender or the recipient .

Indirect Communication:-

send (A, message) receive (A, message)

in the indirect Communication messages will be send and received through mailboxes. Sender will put the message in mailbox and the receiver will get messages from mailbox and the messages will be deleted after that.