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Consider a slightly different AS-level topology running BGP routing below. Suppose x starts by announcing a path “x" for destination x to A. Upon receiving the path announcement, A learns a new path to reach x - "Ax". A updates its routing table and announces the new path "Ax" for destination x to B and C. Upon receiving the announcement, B learns a new path to reach x - "BAx" and updates its routing table. B y A C What will C learn as a new path to x upon receiving the announcement from A? Suppose B announces the new path for destination x to C. What will C learn as a newpath to x upon receiving the announcement from B? Continue from (b). If z is C's customer and forwarding packets for z with shorter delay will satisfy z better, which path for destination x would C prefer to announce to z? And why? Continue from (b). z is C's customer and C cares less of the customer's satisfaction. If B charges less per unit traffic to forward for C and A charges more, which path would C prefer to announce to z? And why? а. b. с. d.

Consider a slightly different AS-level topology running BGP routing below. Suppose x starts by announcing a path “x" for destination x to A. Upon receiving the path announcement, A learns a new path to reach x - "Ax". A updates its routing table and announces the new path "Ax" for destination x to B and C. Upon receiving the announcement, B learns a new path to reach x - "BAx" and updates its routing table. B y A C What will C learn as a new path to x upon receiving the announcement from A? Suppose B announces the new path for destination x to C. What will C learn as a newpath to x upon receiving the announcement from B? Continue from (b). If z is C's customer and forwarding packets for z with shorter delay will satisfy z better, which path for destination x would C prefer to announce to z? And why? Continue from (b). z is C's customer and C cares less of the customer's satisfaction. If B charges less per unit traffic to forward for C and A charges more, which path would C prefer to announce to z? And why? а. b. с. d.

Computer Networking: A Top-Down Approach (7th Edition)
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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Consider a slightly different AS-level topology running BGP routing below. Suppose x starts by announcing a path “x" for destination x to A. Upon receiving the path announcement, A learns a new path to reach x - “A". A updates its routing table and announces the new path "Ax" for destination x to B and C. Upon receiving the announcement, B learns a new path to reach x - "BAx" and updates its routing table. B y What will C learn as a new path to x upon receiving the announcement from A? Suppose B announces the new path for destination x to C. What will C learn as a newpath to x upon receiving the announcement from B? Continue from (b). If z is C's customer and forwarding packets for z with shorter delay will satisfy z better, which path for destination x would C prefer to announce to z? And why? Continue from (b). z is C's customer and C cares less of the customer's satisfaction. If B charges less per unit traffic to forward for C and A charges more, which path would C prefer to announce to z? And why? a. b. d. C.
Transcribed Image Text:Consider a slightly different AS-level topology running BGP routing below. Suppose x starts by announcing a path “x" for destination x to A. Upon receiving the path announcement, A learns a new path to reach x - “A". A updates its routing table and announces the new path "Ax" for destination x to B and C. Upon receiving the announcement, B learns a new path to reach x - "BAx" and updates its routing table. B y What will C learn as a new path to x upon receiving the announcement from A? Suppose B announces the new path for destination x to C. What will C learn as a newpath to x upon receiving the announcement from B? Continue from (b). If z is C's customer and forwarding packets for z with shorter delay will satisfy z better, which path for destination x would C prefer to announce to z? And why? Continue from (b). z is C's customer and C cares less of the customer's satisfaction. If B charges less per unit traffic to forward for C and A charges more, which path would C prefer to announce to z? And why? a. b. d. C.
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