Runbooks — Financial Trading & Payments Architecture

1. Onboarding Runbook (Trading Venue / Bank Branch)

Objective: Connect a new trading floor, bank data center, or fintech platform into the ultra-low-latency WAN while meeting compliance requirements.

Step Sequence:

  1. Pre-Validation
    • Validate MPLS/wavelength circuits to exchange colos.
    • Confirm DIA/IX peering for market data feeds.
    • Provision PTP/NTP for time sync.
    • PCI DSS readiness checks.
  2. Edge Deployment
    • Install SD-WAN appliance for policy control (low-latency profiles).
    • Configure separate VRFs for trading, back-office, and internet.
  3. Security Enrollment
    • Load certificates from HSM/KMS.
    • Enable TLS with FIPS 140-2 crypto modules.
    • Register logging feeds into SIEM.
  4. Application Validation
    • Test FIX protocol sessions with exchange simulators.
    • Run synthetic trades and measure round-trip latency.
    • Validate payments API with tokenization gateway.
  5. Handover
    • Update CMDB with site/service data.
    • NOC/SOC thresholds armed.

Logos Mapping:

  • Syntax: Circuits, MPLS, IX = letters.
  • Semantics: FIX/ISO20022 flows = words.
  • Pragmatics: Compliance = context.

2. Failover Runbook (Primary Exchange Circuit Loss)

Objective: Preserve trading continuity if primary private link fails.

Step Sequence:

  1. Detection
    • AIOps alarms on packet loss >0.05%.
    • Synthetic orders fail.
  2. Automatic Failover
    • SD-WAN reroutes trading traffic over secondary MPLS/wave.
    • If not available, DIA fallback with BGP-preferred route.
    • QoS prioritizes trading FIX, payments APIs over email/voice.
  3. Validation
    • Synthetic trade placed; latency measured.
    • Payment authorization attempted via alternate path.
  4. Notification
    • NOC raises critical incident.
    • Exchange/bank counterparties notified.
  5. Recovery
    • Primary path restored.
    • Order flows reconciled to ensure no loss.
    • SLA breach ticket closed.

3. Incident Response Runbook (Fraud or Insider Trading Attempt)

Objective: Contain and respond to suspicious transactions or compromise.

Step Sequence:

  1. Alert
    • SIEM flags anomalous trading volume or unusual payment destinations.
    • Fraud analytics system triggers high-severity event.
  2. Containment
    • ZTNA revokes suspect trader/terminal access.
    • SD-WAN policy isolates suspect VLAN.
    • PAM vault suspends privileged accounts.
  3. Investigation
    • SOAR enriches incident with trade logs, FIX messages, payment API metadata.
    • Identity verified with MFA re-check.
  4. Eradication
    • Reimage compromised endpoints.
    • Patch systems if vulnerability exploited.
  5. Recovery
    • Trading/payment operations resume on clean devices.
    • Regulators informed as required (SEC, PCI, OCC).
  6. Postmortem
    • Incident documented in compliance register.
    • Controls tightened (e.g., DLP rules, anomaly thresholds).

4. Disaster Recovery Drill Runbook (Trading Colo Loss)

Objective: Rehearse full loss of a trading venue colo.

Step Sequence:

  1. Scenario Trigger
    • Simulate exchange colo outage (fire, flood).
  2. Failover Activation
    • Shift order gateways to secondary colo.
    • Payment transactions rerouted via DR site.
    • Data replication from primary → DR (check RPO).
  3. Validation
    • Place test trades at DR colo; latency logged.
    • Simulate card payments at POS/test terminals.
  4. Time-to-Recover Measurement
    • RTO/RPO compared to SLA.
    • Confirm logs reconciled across both sites.
  5. Debrief
    • Produce audit trail for SOX/PCI.
    • Lessons integrated into DR policy.

Roles & Responsibilities

  • NOC: Monitor MPLS/waves, failover routing, DIA/IX fallback.
  • SOC: Fraud detection, SIEM/SOAR enrichment, regulatory reporting.
  • Traders/Operators: Validate trade/payment continuity.
  • Compliance: Ensure PCI/SOX/GLBA requirements met.
  • Vendors/Exchanges: Circuit restorations, trading venue SLAs.

KPIs (Trading & Payments Runbook Metrics)

  • Latency (round-trip): <2 ms metro, <80 ms global.
  • Failover detection + reroute: <5 sec.
  • MTTR (fraud containment): <30 min.
  • DR drill RTO: ≤1 hour; RPO ≤15 min.
  • Compliance: PCI/SOX audit pass = 100%.

⚖️ Logos Framing

  • Onboarding = spelling a new trading floor into the language of the financial grid.
  • Failover = synonym substitution (same meaning, new circuit).
  • Incident Response = correcting misuse of words (fraudulent transactions).
  • DR Drills = recursive rehearsal so the financial language remains legible under crisis.