kindly provide the solution of above question which have 4 parts numbered as 10,

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kindly provide the solution of above question which have 4 parts numbered as 10,11,12,13

12. A group of four processes PO-P3 sends out multicasts in a run as shown below. The group is 10. A group of four processes PO-P3 sends out multicasts in a run as shown below. The group is TU. A group of four processes PO-P3 sends out multicasts in a run as shown below. The group is using causall ordering for muliticasts. All sequence numbers start with zeros using FIFO ordering for multicasts. All sequence numbers start with zeros PO P1 P2 P3 PO P1 P2 P3 M4 M4 M3 M3 Answer the following question.1 point) Answer the following question.( point The sequence vector at the end of the run at P2, as a comma-separated list (without the The total number of multicasts that are buffered across all processes in this entire run is brackets) is Enter answer here Enter answer here 11. A group of four processes PO-P3 sends out multicasts in a run as shown below. The group is 13. A group of four processes PO-P3 sends out multicasts in a run as shown below. The group is using causall ordering for multicasts, All sequence numbers start with zeros using causal ordering for multicasts. All sequence numbers start with zeros. PO P1 P2 P3 PO P1 P2 P3 M4 M3 M3 Answer the following question. (1 point Answer the following question. (7 point) The vector of sequence numbers for the only multicast that PO sends out, as a comma- . The sequence vector associated with the send event of the last o.c second) multicast that separated list (without the brackets. P1 sends out, as a cormma-separated list without the bracketsL is: Enter answer here Enter answer here

Explanation / Answer

Answer:

10. In FIFO multicast ordering, when a message is received, following conditions are checked:

If the message seq. number is:

a) as per expectation (next sequence), it is accepeted.

b) higher than expected, it is buffered.

c) lower than expected, it is rejected.

For the given run, number of message(s) buffered for each process will be as given below:

P0 - 1, P1 - 1, P2 - 0, P3 - 0

Hence total number of buffered messages accross all processes will be 1+1 = 2.

11. For the only multicast being sent out from P0, the vector of sequence numbers will be:

1,1,1,1

because it has sent out one message and received one message each from other three messages.

12. At the end of run at process P2, the sequence vector will be:

1,1,2,1

because it has sent out 2 messages and received 1 message each from other three messages.

13. The vector of sequence numbers for the second send event from P1 will be:

0,2,1,1

becase it has sent two messages, received no message from P0 and received one message each from P2 and P3.

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