ARP and DNS both depend on caches; ARP cache entry lifetimes are typically 10 minutes, while DNS cache lifetimes are on the order of days. Justify this difference. What undesirable consequences might there be in having too long a DNS cache entry lifetime?
ARP and DNS both depend on caches; ARP cache entry lifetimes are typically 10 minutes, while DNS cache lifetimes are on the order of days. Justify this difference. What undesirable consequences might there be in having too long a DNS cache entry lifetime?
Chapter13: Internet And Distributed Application Services
Section: Chapter Questions
Problem 15VE
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![ARP and DNS both depend on caches; ARP cache entry lifetimes
are typically 10 minutes, while DNS cache lifetimes are on the
order of days. Justify this difference. What undesirable
consequences
might there be in having too long a DNS cache
entry lifetime?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc3e57f30-7674-45ab-a8b4-dd4507d9f181%2F50d285e8-1622-4650-bc43-8e8cdc889053%2Ffgune0p_processed.jpeg&w=3840&q=75)
Transcribed Image Text:ARP and DNS both depend on caches; ARP cache entry lifetimes
are typically 10 minutes, while DNS cache lifetimes are on the
order of days. Justify this difference. What undesirable
consequences
might there be in having too long a DNS cache
entry lifetime?
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