The enterprise trend toward data-center consolidation also continues. The consolidation efforts move most branch-office assets into data centers, largely to comply with regulatory mandates for centralized security and stronger control over corporate data assets. Consolidating data centers while growing the branch-office population means that increasing numbers of remote employees access LAN-based business applications across comparatively slow WANs. With these applications growing increasingly multimedia-centric and latency-sensitive, IT and networking staffs are further challenged to keep remote application response times on par with the experiences of users situated locally to the company's application servers in the data center. These local users enjoy multimegabit LAN speeds and are not affected by any distance-induced delay, unlike their counterparts at the other end of a WAN connection.
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