Four attributes are extracted from web page request sequences without consideration of the sequence order of requested pages.
Traditional replacement policies used in practice take advantage of temporal reference locality by removing the least recently/frequently requested pages from the cache.
One of the problems for the smaller companies will be maintaining the kind of computer horsepower required to cache most requested pages locally.
Post-copy has the ability to minimize network page faults, by pushing future requested pages from the source server before they are faulted by running VM. for this active push approach used with adaptive pre-paging.
Caching is essentially the storing of the most requested web pages and Net objects on a server so that less requested pages can flow more freely through the pipes.
If the amount of RAM available in the system is not sufficient to hold the working sets of all the active processes, the memory management needs to continuously swap-out (save to disk) pages from some processes to swap-in (load from disk) requested pages for other processes.
