4.01-3. Packet scheduling (c). Consider the same pattern of red and green packet arrivals to a router's output port queue, shown below. Suppose each packet takes one time slot to be transmitted, and can only begin transmission at the beginning of a time slot after its arrival. Indicate the sequence of departing packet numbers (at t = 1, 2, 3, 4, 5, 6, 7) under round robin scheduling. Assume a round-robin scheduling cycle beings with green packets. Give your answer as 7 ordered digits (each corresponding to the packet number of a departing packet), with a single space between each digit, and no spaces before the first or after the last digit, e.g., in a form like 7654321). [Note: You can find more examples of problems similar to this here.] arrivals packet in service departures 1 234 5 67 ??? 2 3 ? ? ??? 4 15 6

4.01-3. Packet scheduling (c). Consider the same pattern of red and green packet arrivals to a router's output port queue, shown below. Suppose each packet takes one time slot to be transmitted, and can only begin transmission at the beginning of a time slot after its arrival. Indicate the sequence of departing packet numbers (at t = 1, 2, 3, 4, 5, 6, 7) under round robin scheduling. Assume a round-robin scheduling cycle beings with green packets. Give your answer as 7 ordered digits (each corresponding to the packet number of a departing packet), with a single space between each digit, and no spaces before the first or after the last digit, e.g., in a form like 7654321). [Note: You can find more examples of problems similar to this here.] arrivals packet in service departures 1 234 5 67 ??? 2 3 ? ? ??? 4 15 6

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Question

4.01-3. Packet scheduling (c). Consider the same pattern of red and green packet arrivals to a
router's output port queue, shown below. Suppose each packet takes one time slot to be
transmitted, and can only begin transmission at the beginning of a time slot after its arrival.
Indicate the sequence of departing packet numbers (at t = 1, 2, 3, 4, 5, 6, 7) under round robin
scheduling. Assume a round-robin scheduling cycle beings with green packets. Give your answer
as 7 ordered digits (each corresponding to the packet number of a departing packet), with a single
space between each digit, and no spaces before the first or after the last digit, e.g., in a form like
7654321).
[Note: You can find more examples of problems similar to this here.]
arrivals
packet
in service
departures
1 234
0
?
1
???
|2
5 67
2
w/
3
? ? ?
15
4 5
6

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