What is WAN Load Balancing?

WAN Load balancing is a method that allows for the even distribution of user traffic across multiple connections on a Wide Area Network, or WAN. By utilizing this method bandwidth availability and overall performance will increase, allowing companies or organizations to run business-critical applications and other information to users without the worry of bottlenecking or completely crashing their servers.

When a company decides to implement WAN load balancing into its IT infrastructure, it enables the network administrator to distribute data traffic appropriately, allowing mission-critical applications to access connections more efficiently. This traffic management solution can help avoid serious potential problems, including server crashes and traffic bottlenecks that can severely slow or completely shut down operation. It also helps protect the company’s network from potentially harmful traffic that specifically preys on slow networks by launching DDoS (Distributed Denial of Service) attacks, DoS (Denial of Service) attacks, worms and other malicious activities.

How Does It Work?

Reliable WAN connectivity is an increasingly important need for businesses, especially as they begin to use Internet connections to service and traffic critical business functions. Reliable connectivity to specific destinations is extremely important. An effective method for achieving this is to offer multiple network connections through varied ISPs. By doing this, an outage from one ISP will not result in a loss of network connectivity to essentials traffic and sites. A WAN load balancer will distribute router traffic evenly across all network interfaces, keeping the session connected even when one ISP from the network goes down.

Does XRoads Networks Offer WAN Load Balancing Services?

Today’s market offers a number of solutions that perform link balancing, but these solutions are not capable of full utilizing each available WAN interface. XRoads Networks offers patented bonding technology which supports combining multiple ISP connections for one session, as well as load balancing.

  • • Internet Session Bonding – By combining multiple ISP connections for each individual session, you are able to access a reliable, fast Internet connection through your WAN. For example, combining a 3 Mbps connection and a 5 Mbps connection through Internet bonding will give you a true 8 Mbps connection, increasing performance and speed. XRoads Networks EdgeXOS platform is able to determine which traffic can bond and which traffic requires session persistence, handling these tasks automatically. Link Load Balancing
  • • Link Load Balancing – While this does not combine multiple ISP connections for individual sessions, it does offer high performance and traffic management by balancing any sessions across each ISP. If one session connects through the 3 Mbps connection, another session will go out through the 5 Mbps connection. This method does not have a way to combine the ISP connections, however, so even though you are able to prioritize traffic and certain applications or sessions over others, you do not have the ability to increase speed or bandwidth past the individual ISP you are connected to. This means that while you can increase performance and bandwidth management by load balancing, you cannot achieve the speeds of connections that have been Internet bonded.