Wide-Area Network Optimization

In a large enterprise network with many remote locations or branches, a wide-area network (WAN) is used to provide connectivity to these remote sites. The WAN circuits offer inferior performance compared to the LAN. Therefore, in the past, a distributed model for the enterprise applications was popular. This distributed model was helpful in avoiding application performance issues by installing services close to the client within the remote location or branch. In this distributed model, the file, print, and other application services were located within each branch to provide LAN performance for these applications. Although this solution was very attractive for its application performance and reliability, it increases ...

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