Why is it more cost-effective to assemble and deliver content in an edge server tier than in traditional business logic tiers?
Edge servers are highly efficient content delivery mechanisms. Unlike a JVM, an edge server does not execute business logic by instantiating Java classes. No computation, formatting or byte copies are required to deliver a page out of the cache. Thanks in large part to a short code path — hash on the request, assemble the fragments and serve the document — an edge server need not run on expensive hardware to provide excellent performance.
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