Network Performance Management

WAN Monitoring

Pico's Corvil WAN Monitoring delivers microsecond-granularity packet-based visibility into packet loss, jitter, latency, and application response times across hybrid wide-area networks — because flow data was never enough to diagnose modern WAN performance problems.

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Overview

Pico's Corvil platform delivers WAN Monitoring that provides real-time, packet-based performance reporting and troubleshooting for wide-area and hybrid networks. Unlike flow-based monitoring solutions that miss the transactional detail needed to diagnose modern application performance issues, Corvil passively taps into packet data flowing across the WAN to automatically discover applications and protocols, report on key performance metrics including packet loss, jitter, and latency, and measure actual application response times. The solution functions as a hybrid network probe providing both packet analytics and packet capture on a single platform.

The Challenge

End user expectations of WAN performance have outpaced the industry's ability to monitor the WAN at the granularity needed to see performance slowdowns before they impact business. Flow records do not provide transactional visibility or application response time measurement — utilization alone is not a meaningful KPI. Hybrid networks and microservices architectures further complicate visibility. Validating service provider SLAs without packet-level measurement data leaves organizations unable to demonstrate or contest performance claims with confidence.

Key Capabilities

Microsecond-Granularity Packet Analysis

Corvil provides WAN performance visibility at microsecond granularity, capturing the short-timescale bursting behavior that causes dropped packets and degraded application performance but is invisible to flow-based and 1-second sampling tools. Essential for diagnosing the intermittent issues that drive the most persistent user complaints.

Centralized Multi-Site Management

Corvil auto-discovers applications and protocols at all instrumented WAN points and presents a central real-time dashboard covering all remote sites from a single console. Central search and global packet search enable rapid root-cause analysis without logging into individual site tools.

SLA Reporting and Splunk Integration

Corvil reports and alerts on service provider SLA compliance across all remote sites using packet-derived measurements to produce an authoritative record. A native connector for Splunk sends real-time application performance events with click-back to Corvil for deeper packet-level analysis from within the Splunk interface.

Use Cases

Diagnosing the root cause of packet loss across the WAN by correlating microburst traffic events with dropped packet occurrences at microsecond timescales.
Validating service provider WAN SLAs with authoritative packet-based latency, jitter, and loss measurements — rather than relying on provider-supplied reports.
Monitoring application response times and business transaction performance across hybrid networks where microservices and cloud components make traditional flow monitoring insufficient.
Identifying bursting application traffic patterns that cause intermittent packet drops on WAN links that appear underutilized by utilization metrics alone.
Sending WAN performance events and troubleshooting hotspots to Splunk for unified IT operations visibility, with one-click drill-back to Corvil for packet-level investigation.

Solution Highlights

Microsecond-granularity WAN visibility captures transient performance events that flow-based solutions and 1-second sampling tools systematically miss — resolving previously undiagnosable intermittent issues.
Hybrid network probe architecture delivers both real-time packet analytics and full packet capture on a single platform — eliminating the need for separate tools at each WAN site.
Auto-discovery of applications and protocols at all instrumented points provides immediate visibility without manual configuration, even in environments running diverse or proprietary application protocols.
Native Corvil connector for Splunk forwards real-time application events and troubleshooting hotspots with seamless click-back to Corvil for deep packet analysis from within the Splunk interface.

What You Achieve

WAN performance issues are resolved faster by viewing packet loss, jitter, and latency at microsecond granularity rather than relying on coarse flow averages that mask the root cause.

Bursting application behavior that causes dropped packets is made visible and quantifiable, enabling network engineers to right-size WAN capacity with evidence rather than estimates.

SLA compliance is reportable and alertable across all remote sites using authoritative packet-derived measurements, providing organizations with the data to hold service providers accountable.

Ready to see it in action?

Talk to a Pico specialist about your environment and how WAN Monitoring fits your needs.

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