From Check Point Software Technologies:
Check Point solves the network congestion problem with FloodGate-1, a policy based, quality of service (QoS) solution for private WAN and Internet links. It optimizes network performance by assigning priority to business critical traffic based on relative merit. For example, ERP, database, or e-commerce applications running on a corporate VPN, can be prioritized over less important Internet traffic. By aligning network resources with business goals, FloodGate-1 makes it possible to realize the true potential of IP networks.