DPI identifies traffic according to application signatures and behavioral characteristics beyond traditional IP-address, port and protocol matches. That classification enables role-based rules and QoS decisions for applications such as collaboration, streaming or file sharing, even when services reuse common transport ports. DPI should not be equated with universal SSL interception; decryption requires separate, explicit capabilities and trust arrangements. Nor does it perform DHCP address allocation or Wi-Fi channel selection, which belong to different network subsystems.
DHCP relaying and RF channel selection are separate functions. Decrypting arbitrary SSL traffic is not implied by DPI; that would require additional TLS-interception capabilities and trust. DPI is useful because recognized application identities can be inputs to traffic policy.
Official HPE references | Application Visibility • AOS-10 Cloud Services | Study-guide topic: Introduction to AOS-10
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