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Building a Business Intelligent WAN

Demand for cloud applications has been quickly growing since its emergence. Technologies such as desktop virtualization, SaaS, IaaS, and IoT are very often delivered to branch networks via enterprise WANs. To keep or even increase business productivity, enterprises WAN needs to be transformed because the requirements today have gone beyond the traditional destination-based routing. To embrace with this growing trend, building better network connectivity with application intelligence is required.

> Application-Aware Routing
Q-Balancer is designed for the enterprises that already have MPLS networks in place and are about to introduce or have introduced broadband connections. The solution has the ability to make good use of expensive private links to ensure performance for critical applications, while sending cloud or web traffic out via broadband connections. Q-Balancer understands the paths that applications need to take. Its application-aware routing works in conjunction with path monitoring and policy-based load balancing, and therefore Q-Balancer has the ability to intelligently identify and selectively directs critical applications onto the optimal paths.

Path Monitoring– Q-Balancer continuously monitor the data traffic on the data plane tunnels between devices, and periodically measures the performance of the tunnel. For overlay tunnels, path monitoring looks for traffic loss and latency by looking at the one-way and round-trip traffic traveling over the tunnel. These measurements might indicate a blackout or brownout condition. Path monitoring also checks the underlay network connectivity for a single or multiple IP addresses, where Q-Balancer sends healthcheck packet, e.g. ICMP pings, to verify whether one or more destination IP addresses can be reached. 

Identification– Q-Balancer is incorporated with the technology of deep packet inspection (DPI) that goes beyond port-level approaches used today. It is also able to identify user-defined web domains as many as needed with the ability of policy‐based routing (PbR) using FQDN. This enables the edge appliance to intelligently direct traffic to the correct paths in compliance with business intent. 

Application Steering– Q-Balancer is able to map traffic to the path(s) that provides the desired performance for the application. The decision of path selection is made based on the characteristics of applications, the results of path monitoring, and the rules specified in policy route.

Top Benefits

  • Increased network performance

  • Assured application delivery by intelligently finding the best path across the circuits of all types

  • Reduced costs by precisely offloading the internet-bound traffic from the expensive MPLS networks

  • Simplified configuration through automation of dynamic application steering