Visibility, Classification & Policy Enforcement
Asymmetric Traffic
In many modern telecom and enterprise environments, traffic does not always follow the same path in both directions. This phenomenon, known as asymmetric traffic, can create blind spots for monitoring tools, reducing analytics accuracy and complicating the enforcement of security or QoS policies.
Intelligence must be local, but control must be global
Why Does Asymmetric Traffic Matter
Asymmetric routing can occur for various reasons, including load balancing across multiple links, peering and transit arrangements, and failover scenarios in large-scale deployments. This results in:
• Incomplete session visibility, especially for DPI and behavior-based analytics.
• Missed threat indicators when attack traffic and response packets traverse different paths.
• Ineffective policy enforcement, as control actions may only apply to one flow direction.
In high-security, regulated, or QoS-sensitive networks, these gaps can present meaningful challenges.
Our Approach
Our platform is designed to maintain full intelligence and enforcement capabilities, especially in asymmetric environments. Key capabilities include:
• Distributed DPI Nodes • Deployed at multiple ingress/egress points, capable of inspecting traffic fragments and contributing metadata to a unified analytics layer.
• Real-Time Flow Correlation • Session reconstruction across multiple points, enabling accurate classification and KPI measurements.
• Centralized Policy Engine • Ensures that enforcement actions (e.g., blocking, shaping, redirecting) apply to the complete flow, regardless of path asymmetry.
• Encrypted Traffic Support • Works seamlessly with TLS, QUIC, and DoH inspection, even when session initiation and return traffic are observed at different points.
Your Operational Benefits
With asymmetric traffic intelligence, operators and security teams can:
• Enable Complete Visibility into subscriber, application, and threat behavior.
• Detect and Mitigate Threats without dependency on symmetrical flow capture.
• Enforce QoS and Filtering Policies consistently across all network paths.
• Reduce Troubleshooting Time by providing a complete end-to-end view of communications.
Operational Relevance
• Extensive telecom backbones with multiple peering and transit routes.
• National-scale regulatory deployments where monitoring points are geographically distributed
• Enterprise WAN environments with SD-WAN or dynamic routing policies.
• Critical infrastructure networks where uptime and security must be maintained under complex routing scenarios.
Built into the Quant Azimuth Platform
Asymmetric traffic handling is natively integrated into Quant Azimuth’s cloud-native, modular architecture, ensuring consistent visibility and control even when traffic flows across different network paths. It works seamlessly across Traffic Classification, Threat Detection and Network Protection, Subscriber Intelligence and Policy Control, and Encrypted Traffic Intelligence (ETI). By combining these capabilities within a unified platform, operators can maintain comprehensive awareness of network activity and enforce consistent policies, regardless of where or how traffic flows.
