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Follow on Google News | Bending the TTL's Dynamic traffic adaptation by aiCacheaiCache implements dynamic web traffic management by factoring the time content is cached in response to load levels.
By: Mark Webber Website admins struggle to balance content freshness and speed of delivery. The challenge is that settings that work well for normal traffic can be ineffective during peak periods. aiCache solves this issue by allowing the TTL's to make dynamic adjustments during peak periods, returning to normal setting when the load diminishes. Under normal load aiCache obeys the caching TTL's. When load increases in response to viral content, being featured in a web consolidator such as Digg, Drudgereport etc., aiCache allows you to bend the TTL's. aiCache implements this "bending" by allowing you to factor an increase in the TTL for a specified period. You can tell aiCache that under peak load it should bend the TTL's by a certain factor, for example 5, for a particular length of time. Content that would have ordinarily refreshed in 30 seconds will now be served from aiCache for 150 seconds, when load reaches a defined threshold. With aiCache capable of producing content at thousands of times the speed of the normal environment, this simple factoring of the TTL will allow the site to manage all additional traffic quickly, for as long as it remains under load. aiCache analyzes response times every few seconds and reports on both the scale factor and the normalization. The end result? With a simple one line configuration you receive the best of both worlds, optimally fresh content for users and high speed reliable serving under peak loads. # # # aiCache is the leading provider of web application acceleration. aiCache solutions reduce cost, provide stability and health monitoring to allow web applications to scale without architecture changes. End
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