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Zorluk: OrtaApplication Load Balancing and Delivery

An organization is deploying a high-throughput, non-HTTP TCP-based telemetry application on Azure Virtual Machines in a single region. The virtual machines require direct inbound internet access and are configured with Standard SKU public IP addresses on their network interfaces. You need to design a load balancing solution to distribute incoming TCP traffic across the virtual machines. The design must minimize complexity and avoid validation errors during deployment. Which two configuration components should you include in the load balancing design?

  1. A Standard SKU Azure Load BalancerCevap
  2. A Standard SKU public IP address for the load balancer's frontend IP configurationCevap
  3. C
    A Basic SKU Azure Load Balancer
  4. D
    A Basic SKU public IP address for the load balancer's frontend IP configuration

Cevap

The design must include a Standard SKU Azure Load Balancer and a Standard SKU public IP address for the load balancer's frontend IP configuration.
The correct configurations are a Standard SKU Azure Load Balancer and a Standard SKU public IP address for the frontend. Since the backend Virtual Machines are already configured with Standard SKU public IP addresses, the Azure Load Balancer must also be a Standard SKU to prevent SKU mismatch errors. Furthermore, a Standard SKU Azure Load Balancer requires its frontend IP configuration to use a Standard SKU public IP address.

Adım Adım Çözüm

1
Analyze the virtual machine configuration and application protocol.
The virtual machines are configured with Standard SKU public IP addresses and run a non-HTTP TCP application.
This establishes the protocol (TCP requires Azure Load Balancer rather than Application Gateway/Front Door) and the SKU boundary (Standard SKU IP).
2
Determine the load balancer SKU required for the backend pool.
A Standard SKU Azure Load Balancer must be selected.
Basic SKU load balancers cannot connect to backend virtual machines that are configured with Standard SKU public IP addresses.
3
Select the frontend public IP configuration SKU for the load balancer.
A Standard SKU public IP address is required.
Standard SKU Load Balancers require Standard SKU frontend public IPs; mixing Basic and Standard SKUs in this configuration causes validation failures.

Anahtar Kavram

Azure Load Balancer SKU compatibility and resource constraints when mixing Basic and Standard SKUs.
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