3 BGP 20. 21. 22. 23. AS1 has the following routing table, draw the network of AS's that these paths imply: prefix P2 P1 P2 P1 P3 path AS3 AS2 AS5 AS3 AS4 AS3 AS5 AS5 AS4 AS6 AS7 What AS is P1 in? What about P2? What about P3? If AS3 were to stop forwarding packets for AS1, which prefixes would AS1 no longer be able to reach? Which other AS's would be candidates to come to a new agreement with that would allow reaching those prefixes? What is one reason that AS5 might not take packets from AS1 destined for P2 directly?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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This a BGP Internet technology question. it numbered 20-23 but they are just parts of one question... (3) Ive already drawn the network path just need help with 21-23 (a,b,c)

3 BGP
20.
21.
22.
23.
AS1 has the following routing table, draw the network of AS's that
these paths imply:
prefix
P2
P1
P2
P1
P3
path
AS3 AS2 AS5
AS3 AS4
AS3 AS5
AS5 AS4
AS6 AS7
What AS is P1 in? What about P2? What about P3?
If AS3 were to stop forwarding packets for AS1, which prefixes would
AS1 no longer be able to reach? Which other AS's would be candidates to
come to a new agreement with that would allow reaching those prefixes?
What is one reason that AS5 might not take packets from AS1
destined for P2 directly?
Transcribed Image Text:3 BGP 20. 21. 22. 23. AS1 has the following routing table, draw the network of AS's that these paths imply: prefix P2 P1 P2 P1 P3 path AS3 AS2 AS5 AS3 AS4 AS3 AS5 AS5 AS4 AS6 AS7 What AS is P1 in? What about P2? What about P3? If AS3 were to stop forwarding packets for AS1, which prefixes would AS1 no longer be able to reach? Which other AS's would be candidates to come to a new agreement with that would allow reaching those prefixes? What is one reason that AS5 might not take packets from AS1 destined for P2 directly?
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