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Chapter 16. Managing Networks and Traffic
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• Stickiness. (Optional) Click Configure and choose the algorithm for the stickiness policy. See
Sticky Session Policies for Load Balancer Rules.
• Add VMs: Click Add VMs, then select two or more VMs that will divide the load of incoming
traffic, and click Apply.
The new load balancing rule appears in the list. You can repeat these steps to add more load
balancing rules for this IP address.
16.27.11.2. Load Balancing Tier-to-Tier traffic (Internal LB)
CloudPlatform supports sharing workload across different tiers within your VPC. Assume that multiple
tiers are set up in your environment, such as Web tier and Application tier. Traffic to each tier is
balanced on the VPC virtual router on the public side, as explained in Section 16.27.11, “Adding Load
Balancing Rules on a VPC”. If you want the traffic coming from the Web tier to the Application tier to
be balanced, use the internal load balancing feature offered by CloudPlatform.
16.27.11.2.1. How Does Internal LB Work in VPC?
In this figure, a public LB rule is created for the public IP 72.52.125.10 with public port 80 and private
port 81. The LB rule, created on the VPC virtual router, is applied on the traffic coming from the
Internet to the VMs on the Web tier. On the Application tier two internal load balancing rules are
created. An internal LB rule for the guest IP 10.10.10.4 with load balancer port 23 and instance port
25 is configured on the VM, InternalLBVM1. Another internal LB rule for the guest IP 10.10.10.4 with
load balancer port 45 and instance port 46 is configured on the VM, InternalLBVM1. Another internal
LB rule for the guest IP 10.10.10.6, with load balancer port 23 and instance port 25 is configured on
the VM, InternalLBVM2.