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Thinking ahead - Coggle Diagram
Thinking ahead
Caching
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CPU Caching
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CPU Caching works by predicting the next instructions to be run from memory and storing it in level 3 cache. Level 2 cache predicts the instructions in level 3 cache so that it runs faster. Level 1 cache does the same for level 2 cache. Level 1 is smaller than level 2 which is smaller than level 3 which is smaller than RAM
CDN/ web caching
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Advantages: Data retrieval is faster as content copy is stored topologically closer. Reliability - Fewer points of failure
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Issues
Costs more, takes more space - for the "service" provider
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Multiple distributed copies, more hacker touch points
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Reuse
Reuse is the concept of reusing code that has already been written in order to save time or creating code that can be reused multiple times in different contexts
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