Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN: 9780133594140
Author: James Kurose, Keith Ross
Publisher: PEARSON
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Question
Chapter 7, Problem P8P
a.
Program Plan Intro
Given scenario:
- The network consists of four wireless nodes A, B, C and D. The shaded region in the given figure is radio coverage of the four nodes and all the nodes share the same frequency.
- If A transmits only send/ received by the node B; if B transmits both A and C can send/ receive from the node B; if C transmits both B and D can send/ receive from C; if D transmits only C can send/ receive from D.
- If the node A wants to send the message to the node D, first a message send to the node B, which then sends to node C and finally a message reaches the targeted node D.
- The time is slotted, with a message transmission time taking exactly one time slot.
b.
Program Plan Intro
Given scenario:
- The network consists of four wireless nodes A, B, C and D. The shaded region in the given figure is radio coverage of the four nodes and all the nodes share the same frequency.
- If A transmits only send/ received by the node B; if B transmits both A and C can send/ receive from the node B; if C transmits both B and D can send/ receive from C; if D transmits only C can send/ receive from D.
- If the node A wants to send the message to the node D, first a message send to the node B, which then sends to node C and finally a message reaches the targeted node D.
- The time is slotted, with a message transmission time taking exactly one time slot.
c.
Program Plan Intro
Given scenario:
- The network consists of four wireless nodes A, B, C and D. The shaded region in the given figure is radio coverage of the four nodes and all the nodes share the same frequency.
- If A transmits only send/ received by the node B; if B transmits both A and C can send/ receive from the node B; if C transmits both B and D can send/ receive from C; if D transmits only C can send/ receive from D.
- If the node A wants to send the message to the node D, first a message send to the node B, which then sends to node C and finally a message reaches the targeted node D.
- The time is slotted, with a message transmission time taking exactly one time slot.
d.
Program Plan Intro
Given scenario:
- The network consists of four wireless nodes A, B, C and D. The shaded region in the given figure is radio coverage of the four nodes and all the nodes share the same frequency.
- If A transmits only send/ received by the node B; if B transmits both A and C can send/ receive from the node B; if C transmits both B and D can send/ receive from C; if D transmits only C can send/ receive from D.
- If the node A wants to send the message to the node D, first a message send to the node B, which then sends to node C and finally a message reaches the targeted node D.
- The time is slotted, with a message transmission time taking exactly one time slot.
e.
Explanation of Solution
- Maximum rate which a data message can be transferred from C to A with ACK:
- The maximum rate which a data message can be transferred from C to A is one message per four slots (1 message/ 4 slots), in slot 1 a message sends from A to B, in slot 2 a message sends from B to C, in slot 3 the ACK sends from C to B and in slot 4 the ACK sends from B to A.
- Combined maximum rate which a data message can be transferred from A to B and D to C with ACK:
- The combined maximum rate which a data message can be transferred from A to B and D to C are two ...
- The maximum rate which a data message can be transferred from C to A is one message per four slots (1 message/ 4 slots), in slot 1 a message sends from A to B, in slot 2 a message sends from B to C, in slot 3 the ACK sends from C to B and in slot 4 the ACK sends from B to A.
- The combined maximum rate which a data message can be transferred from A to B and D to C are two ...
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Chapter 7 Solutions
Computer Networking: A Top-Down Approach (7th Edition)
Ch. 7 - Prob. R1RQCh. 7 - Prob. R2RQCh. 7 - Prob. R3RQCh. 7 - Prob. R4RQCh. 7 - Prob. R5RQCh. 7 - Prob. R6RQCh. 7 - Prob. R7RQCh. 7 - Prob. R8RQCh. 7 - Prob. R9RQCh. 7 - Prob. R10RQ
Ch. 7 - Prob. R11RQCh. 7 - Prob. R12RQCh. 7 - Prob. R13RQCh. 7 - Prob. R14RQCh. 7 - Prob. R15RQCh. 7 - Prob. R16RQCh. 7 - Prob. R17RQCh. 7 - Prob. R18RQCh. 7 - Prob. R19RQCh. 7 - Prob. R20RQCh. 7 - Prob. R21RQCh. 7 - Prob. R22RQCh. 7 - Prob. R23RQCh. 7 - Prob. P1PCh. 7 - Prob. P2PCh. 7 - Prob. P3PCh. 7 - Prob. P5PCh. 7 - Prob. P6PCh. 7 - Prob. P7PCh. 7 - Prob. P8PCh. 7 - Prob. P10PCh. 7 - Prob. P11PCh. 7 - Prob. P12PCh. 7 - Prob. P13PCh. 7 - Prob. P14PCh. 7 - Prob. P15PCh. 7 - Prob. P16P
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