TCP/IP workload balancing methods

Workload balancing is redistributing network traffic and workload of heavily accessed machines across multiple processors, multiple interface adapters, or multiple host servers.

If you want to get the best performance possible from your iSeries™ server, you should put the communications load on multiple parts of your server.

Several different TCP/IP routing methods can be used to balance the workload of your iSeries server.

• DNS-based load balancing
  You can use DNS-based load balancing for your inbound workload. If load balancing is needed for local clients, use DNS load balancing.
• Duplicate route-based load balancing
  You can learn about outbound workload balancing across multiple interfaces.
• Scenario: Adapter failover using virtual IP and proxy ARP
  This solution requires you to have an external load balancing machine, such as IBM^® eNetwork Dispatcher. Virtual IP addresses allow you to assign an address to the system rather than to a specific interface. You can define the same address to multiple servers, which allows many new options for load balancing.