Trend Micro InterScan Web Security Virtual Appliance Sizing Guide v6.5

About this manual

The document outlines customer sizing guidelines for the Trend Micro InterScan Web Security Virtual Appliance (IWSVA) version 6.5. It details how factors such as CPU, memory, and enabled scanning features impact performance requirements. The guide includes specific assumptions regarding user populations, network traffic types, and feature configurations like Application Control and Dynamic URL categorization.

What's inside

• Executive Summary
• Assumptions and Recommendations
• General Sizing Guidelines
• Sizing at a Glance – Software Appliance (Bare Metal)
• Sizing at a Glance – Virtual Appliance (VMware ESXi 5.5)
• Sizing at a Glance – Virtual Appliance (Hyper-V 3.0)
• Features and Modes Impact on Performance
• Calculating the Number of IWSVA Servers Required

Specifications

Frequently asked questions

What is the recommended memory to CPU thread ratio?

We recommend the ratio of Memory to the number of CPU Threads shall be larger than the calculation result: Memory = CPU_Threads_Num.

How does enabling HTTPS scanning affect performance?

Enabling HTTPS scanning in a network containing 15% of all traffic as HTTPS will reduce the performance numbers by approximately 26%.