Caches are designed to alleviate this bottleneck by making the data used most often by the CPU instantly available.
[
enHOW COMPUTER MONITORS WORK ]
Many of the advanced systems employ a series of
caches to reduce the number of slow mechanical'seeks'of the disk drive heads, instead reading directly from volatile memory at
bus speeds.
[
en
DATAWA
]
Without L1 and L2
caches, an access to the main memory takes 60 nanoseconds, or about 30 wasted cycles accessing memory.
[
en
CACHE
]
LPD AB MCLH
09/03/2010
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This is also why such a small
cache can efficiently
cache such a large memory system.
[
enHOW CACHING WORKS ]
If DNS is made to
cache bogus information, the attacker can redirect traffic intended for a legitimate site to a site under the attacker’s control.
[
en
ATTACKTRENDS
]
Once a DNS server resolves a request, it
caches the IP address it receives.
[
enHOW INTERNET INFRASTRUCTURE WORKS ]
French
mettre en mémoire cache
LPD AB MCLH
09/03/2010
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