Technology
Route Analytics with BGP BMP: Visibility and Incident Triage
Bring route leak, flap, and blackhole events down to minutes by combining BMP telemetry, route analytics, and an alarm model in a practical approach.
Technology
333 posts
Deep dives into software, cloud computing, AI and technology trends.
Technology
Kernel Live Patching and a Maintenance Model on Enterprise Linux
Managing kernel security patches without reboot pressure: a live-patch approach, the risks, a ring strategy, and operational discipline.
Technology
Object Storage with Ceph: Failure Domain and Recovery Design
Beyond installing Ceph: an architectural approach to failure domain, capacity, and recovery behavior so the cluster can actually heal during a fault.
Technology
Time Synchronization in Critical Systems: NTP, PTP and Observability
An architectural, security-focused, and operational view of NTP/PTP for distributed systems where TLS, log correlation, and consistency depend on accurate time.
Technology
Health Check Blindness in L4 Pools: Failover and Blackholes
When pool members appear 'UP' but traffic vanishes, combining active checks with passive signals to design failover that actually reflects reality.
Technology
Trust Boundary at the SD-WAN Edge: Egress Policy, DNS, and Logging
Preserving the trust boundary across DIA / DC / cloud egress in SD-WAN: traffic classification, DNS strategy, split-tunnel, and a centralized log model.
Technology
From Pilot to Production: 802.1X (NAC) in Enterprise Networks
A field-tested approach to taking 802.1X from pilot to production: identity, policy, exceptions, and the runbook that turns it into a living control plane.
Technology
Cache Stampede (Thundering Herd) and Operational Defenses
A guide to taming the stampede (thundering herd) risk that can crush a backend after TTL expiry or a cache flush — using jitter, singleflight, and stale…
Technology
Enterprise Edge Resolver Architecture with Anycast DNS
An approach for placing the in-house DNS resolver tier near the POP/branch using Anycast — cutting latency while improving operability.
Technology
IPv6 in Enterprise Networks: A Roadmap from Dual-Stack to IPv6-Only
A field-applicable plan for rolling out IPv6 not just as 'an address' but together with DNS, security, observability, and operational reflexes.
Technology
Change Brakes via Error Budget: Designing a Release Gate
How do I turn SLO and error-budget signals into a release gate that controls change without halting it? Field-tested thresholds and an operations flow.
Technology
DSCP and QoS on the WAN: End-to-End Prioritization
A guide to running QoS not as a magic wand but as an operational discipline managed with end-to-end measurement and a real trust boundary.
Technology
A Safe Experiment Plane for Chaos Engineering
Hypotheses, blast radius and automatic rollback guardrails so resilience tests don't turn into blind risks in production.
Technology
SLO-Based Degrade Modes and Load Shedding
Producing controlled loss instead of a random collapse when a system is under pressure: rate limits, queues, feature flags and prioritization.
Technology
Secure Boot + TPM: A Root of Trust for Server Infrastructure
A practical model for making the trust chain from firmware to kernel measurable, without locking operations down in the process.
Technology
DDoS Response Runbook with BGP RTBH and FlowSpec
A controlled approach to reducing DDoS impact during operations using an RTBH/FlowSpec decision tree, verification steps, and a rollback plan.
Technology
Database Connection Pool Saturation and the Latency Feedback Loop
A practical framework to detect the queue, timeout, and retry loop that emerges when a connection pool clogs, and to intervene safely.
Technology
Replay and Idempotency in Messaging: Operational Patterns
Bringing reliable processing guarantees to message-based architectures with outbox, dedup keys, DLQ, and a replay runbook.
Technology
Reducing Outage Impact in Planned Maintenance with BGP Graceful…
Graceful restart logic, risks, verification steps, and a rollback standard for doing BGP maintenance without 'dropping routes'.
Technology
Maintenance Wave Architecture for Patch Orchestration on…
An architectural decision frame for rolling out patches across large platform fleets in controlled waves rather than in a single pass.
Technology
Safe Version Migration in ERP Infrastructures via Transaction…
A transaction-shadowing approach for testing a new release inside critical ERP flows without producing live impact.
Technology
Integration Rollout in ERP Infrastructures via Release Rings
An enterprise architecture approach that grows ERP integration flows through controlled rings rather than flipping the core in one shot.
Technology
Service Impact Analysis with a Dependency Graph on Enterprise…
An approach that turns architectural dependencies from a static diagram into readable impact analysis available before changes.
Technology
A Dedicated DNSSEC-Validating Resolver Layer in Enterprise Networks
An enterprise architecture approach that places DNSSEC validation in a dedicated resolver layer to raise trust in name resolution.