Today's businesses rely on WAN transport more than ever before. Businesses are global and mobile and bandwidth use has skyrocketed, and recent trends toward centralized applications and data center consolidation have created severe congestion points in the network. Server virtualization and consolidation will place even greater capacity demands on network links and gateways, requiring new investments in infrastructure that can control how traffic is managed and contained. This ebook chapter covers what you need to know to make the best investments in WAN infrastructure, specifically in the areas of:
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