Enterprise packet investigation · Performance

Find where the transaction actually slows down.

Compare slow exchanges with healthy baselines and separate transaction waterfalls, excessive TCP turns, VoIP jitter, Wi-Fi retries, network recovery, and service wait, without blaming the network or application by default.

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PacketSafari rca · Transaction performanceslow-vs-healthy.pcap

Baseline available

CAPTURED TRANSACTION2.84 sHealthy baseline: 940 ms

025%50%75%END

DNS42 ms

TLS180 ms

API410 ms

Dependency1.74 s

Response468 ms

Setup Transfer Dominant interval

Performance question

Which dependency holds up the transaction?

Packet-grounded findingOne downstream exchange dominates the captured request waterfall.

Boundary: The packets identify the slow dependency and interval; internal service execution still requires application evidence.
Filter: http2.streamid || http.request_in || tcp.stream == 184
Evidence: Slow transaction · healthy baseline · exact frames and stream

One transaction, every captured interval

Stop debating the slow tier. Measure the exchange.

PacketSafari Core Engine discovers reusable timing and transport evidence. Agent explains the strongest comparison and preserves the uncertainty boundary.

Name resolution
DNS retries, resolver delay, response errors, and healthy baselines.
Connection setup
TCP establishment, TLS handshake stages, resets, and negotiation delay.
Transport quality
Retransmissions, duplicate ACKs, RTT, reordering, windows, stalls, and MTU evidence.
Application exchange
Request-to-first-byte timing, transaction waterfalls, excessive turns, server wait, and response transfer.
Real-time media
RTP sequence, loss, jitter, arrival spacing, and healthy-call comparison.
Wireless airtime
802.11 retries, contention, signal context, data rates, and capture-vantage limits.

When monitoring looks healthy

Low utilization does not prove a healthy connection.

Packet loss, RTT inflation, handshake delay, receiver pressure, jitter, or service wait can degrade a real transaction while aggregate dashboards remain quiet.

Compare active and passive evidence

Real investigation views

Follow the symptom into measured evidence.

Connection findings and protocol-specific evidence keep the diagnosis attached to the captured exchange.

PacketSafari connection insights showing a measured 19.6 millisecond round trip, retransmissions, timing findings, and packet hotspots — Round-trip timing, retransmissions, stalls, and packet hotspots remain together so the analyst can test the strongest explanation.

PacketSafari Wi-Fi analysis showing six elevated issue families across disconnects, authentication, channel contention, roaming, and RF performance — Disconnects, authentication failures, channel contention, roaming instability, and RF degradation stay separated, ranked, and one click from the packets.

Responsible performance attribution

A timing spike is evidence. Ownership still requires proof.

Network primary cause

Captured network behavior is sufficient to explain the dominant delay.

Network contributing factor

Network behavior materially increases time but does not explain the entire transaction.

Service-side wait

The long interval follows a complete request and precedes the captured response.

Receiver or client constraint

Advertised windows or client behavior align with the captured stall.

Inconclusive capture

The vantage, baseline, or required exchange is insufficient for responsible attribution.

PacketSafari can localize delay to the captured exchange. Internal application code, infrastructure policy, and uncaptured hops require the next corroborating source.

Performance investigation ROI

Reduce the hours spent arguing about where the time went.

MONTHLY VALUEHours saved per investigation × investigations per month × blended team cost

Time to isolate the slow tier
Performance-war-room hours
Network, application, and vendor handoffs
Time from complaint to corrective action
Repeated incident and specialist-escalation hours

Measure the same incidents and acceptance criteria against the current workflow. PacketSafari does not claim a universal performance-analysis speedup.