Hurricane Load Balancer is a Windows service that distributes SMTP traffic between one or more Hurricane MTA Servers. This allows existing and new Hurricane MTA Server customers to balance traffic, achieve greater fault tolerance, and add capacity with minimal effort.
In addition to being able to seamlessly handle an MTA instance failure, Hurricane Load Balancer configuration settings can be changed dynamically without requiring a restart. Adding and removing nodes, IP addresses, and ports can be done at any point with no downtime.
Because of the event-driven non-blocking I/O design of Hurricane Load Balancer it can easily handle hundreds of connections per second and thousands of simultaneous connections in a virtual environment. Hurricane Load Balancer makes scaling with Hurricane MTA Server simple and easy! If you’re currently processing 1 million messages per hour with a single MTA, utilizing 3 MTAs would allow you to process 3 times as much while still setting your application to submit to a single endpoint.
Standard load balancers utilize a “heartbeat” check that pings each node and removes nodes from the cluster when a check fails. A common problem with this process is that connections are lost in the time between the node going down and the heartbeat detecting the failed node. This problem is resolved with Hurricane Load Balancer as it detects connectivity problems in real time. If Hurricane Load Balancer can’t connect to a node, it will continue to try each additional node until a connection can be made. No more missed messages!
Since Hurricane Load Balancer communicates with Hurricane MTA Server using a proprietary protocol it can preserve the IP address. This allows Hurricane MTA Server to show the client’s IP address in the logs and headers instead of Hurricane Load Balancer’s IP address. This makes debugging multiple clients and setting up inbound restrictions/black listings based on the IP address possible.
Hurricane Load Balancer can allow SSL/TLS encrypted connections on one or more defined ports and route those to Hurricane MTA Server. Hurricane Load Balancer enables existing and new Hurricane MTA Server customers to deploy an effective high availability SMTP server network. It is available now! For more information about Hurricane Load Balancer please contact our sales department.
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