Interprocess Communication - Part I

Question 1

In this form of communication, the sending and receiving processes synchronize at every message. In this case, both send and receive are blocking operations.

Answer 1

The synchronous communication

Question 2

We can describe this as the guarantee to deliver the message despite a reasonable number of packets being dropped or lost

Answer 2

Reliability

Question 3

In this form of communication, the use of the send operation is non-blocking, the receive operation can have blocking and non-blocking variants.

Answer 3

Te communication asynchronous

Question 4

This consists of transmitting a message between a socket in one process and a socket in another process

Answer 4

Interprocess Communication

Question 5

Any process may make use of multiple of these elements to receive messages, but a process cannot share them with other processes on the same computer.

Answer 5

Ports

Question 6

The Internet protocols, and the local port pairs define the:

Answer 6

The message destination

Question 7

Both forms of communication (UDP and TCP) use ________, which provides an endpoint for communication between processes.

Answer 7

The socket abstraction

Question 8

This is sent by UDP is transmitted from a sending process to a receive process without acknowledgement or retries.

Answer 8

A datagram

Question 9

Message passing between a pair of processes can be supported by two message communication operations:

Answer 9

Send and receive operations