Increasing Application Performance with Intelligent Traffic Steering
Branch networks in a multi-office enterprise often use MPLS as a primary WAN link and additionally connect broadband link(s) as backup link when needed; meanwhile, demand for cloud applications has been quickly growing since its emergence. Technologies such as desktop virtualization, SaaS, IaaS, and IoT are very often delivered between branch networks and headquarters 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 this growing trend, building a better network connectivity with application intelligence is required.

For those enterprises that already have had MPLS networks in place and will introduce or have introduced broadband connections, Q-Balancer is able to help enterprises make good use of the combination of expensive private links and internet connections. The solution understands the conditions of paths that is suitable for business applications to take. The ability of intelligent traffic steering directs traffic to the path(s) that provides desired performance for applications, and works in conjunction with application-aware routing, dynamic path selection, and path monitoring.

> Application-Aware Routing
Q-Balancer is incorporated with the technology of deep packet inspection (DPI), which goes beyond port-level approaches used today. Also, the solution comes with the ability of domain name routing, which dynamically resolves the destined domain names to IP addresses for policy routing. It works in conjunction with policy‐based routing (PbR) to explicitly send outbound requests to the associated destinations via the designated path. The ability of application-aware routing classifies applications and directs traffic to the designated path(s), optimizing the delivery for business applications.

Intelligent Traffic Steering

Dynamic Path Selection (DPS) 
Q-Balancer has the ability to direct traffic over one path or the other based on the link conditions and the algorithm and paths selected. Its inbuilt DPS enables enterprises to highly utilize all connected bandwidth. With DPS an outbound policy is able to route different applications based on specific metrics that work best for each application. This makes better decision about how bandwidth is utilized and the paths applications should go through.

DPS enables simultaneous use of multiple WAN links and automatically fails over to the secondary connection in the event of WAN outage or brownout. It directs traffic to the best-performing path or distributes traffic across the available paths. The decision of path selection is made based on the algorithm selected and the results of path monitoring. This enables edge appliances to precisely direct traffic to the associated destinations via the best paths in compliance with business intent.

Path Monitoring
The inbuilt mechanism of path monitoring continuously monitors the status of all WAN links within an enterprise network. Path monitoring finds out the conditions such as packet loss and latency by looking at the one-way and round-trip traffic traveling over the tunnels.

Top Benefits

  • Greater delivery by intelligently routing applications based on their characteristics

  • Better QoS with the ability of identification and classification for critical applications

  • Cost saving by precisely offloading the internet-bound traffic from the expensive MPLS networks