'Harvest Now, Decrypt Later': Why Post-Quantum Cryptography is Needed
Post-quantum cryptography is no longer just a threat to existing cryptographic algorithms. It's about protecting against 'Harvest Now, Decrypt Later' attacks.
314 posts
Deep dives into software, cloud computing, AI and technology trends.
Post-quantum cryptography is no longer just a threat to existing cryptographic algorithms. It's about protecting against 'Harvest Now, Decrypt Later' attacks.
I explore the invisible costs behind the initially appealing aspects of self-hosting and the pragmatic lessons I've learned from 20 years of field experience.
Comparing Caddy, Traefik, and Nginx for reverse proxy selection in my self-hosted projects, focusing on their core differences, advantages, and disadvantages.
Beyond the increased security, two-factor authentication brings hidden costs in implementation, operations, and user experience…
I compared AI-powered code editors Windsurf and Cursor. Which editor is better for a developer with 20 years of field experience like me, and when?
Getting value from large language models isn't about writing fancy prompts, but about designing the model's context window with engineering principles.
I evaluate the hidden costs and real-world field realities of projects built under the allure of new technologies, drawing from my 20 years of experience.
I analyze the security vulnerabilities in AI-generated code and how this situation should change code review processes.
How can browser extensions, initially appearing innocent, become a security risk over time? Developer account takeovers, commercial acquisitions…
An in-depth look at the real security levels of popular messaging apps WhatsApp, Signal, and Telegram, focusing on the metadata difference and beyond.
I'm deeply comparing Nextcloud and Immich's self-hosting options in terms of performance, security, and cost.
Downloading cracked software isn't just about legal risks; it's also about how your personal and corporate data can be compromised through infostealer malware…
Choosing a password manager is a critical security decision. Browser-based and standalone applications differ in security, ease of use, and platform.
Methods for accelerating development processes and improving code quality with AI-powered code review, including prompt engineering, multi-model usage, and.
A comprehensive guide from the fundamental principles of Passkeys to integration steps, security advantages, and operational risks.
News of 16 billion password leaks usually refers to old and combined data. The real danger lies in password reuse and weak authentication…
I explain the real functions of a VPN beyond marketing promises, its performance costs, and modern alternatives, based on my own experiences.
A truth distilled from 20 years of experience: Every line of code written is a cost, and every line not written is a gain. How can we avoid unnecessary.
Analyzing the role of AI code assistants in software development, the efficiency gains they bring, and the potential risks of dependency, based on my own.
With 20 years of experience, I explain the cost of unnecessary complexity and the power of simplicity in software and system architecture.
Sharing 7 critical steps I implemented based on my own experiences to mitigate security risks encountered when exposing your homelab to the internet.
The advantages and challenges of using open-source alternatives on your own server against rising SaaS costs and data control issues in 2026…
Synology's ready-made solutions or building your own system with TrueNAS? A detailed look at hardware, software, cost, and management when choosing a NAS in.
Understanding the difference between Proxmox and Docker is critical when setting up a homelab. These two technologies are not rivals; they complement each.
I share a turning point in my career after completing Vibe Coding and the process of discovering new directions.
AI has become widespread, but the lack of trust is crippling institutions. In this article, I explore the roots of this paradox and potential solutions through.
A current look at the differences, ease of setup, and performance between Tailscale and WireGuard for your remote home connection needs, specifically for 2026…
I analyze the true reasons for complexity with my industry experience and evaluate ways to simplify.
While the allure of ready-made NAS solutions is strong, building your own NAS system offers significant advantages in terms of cost, flexibility, and security.
Did I regret moving my data on-premise and breaking free from cloud dependency? I'll share the technical and operational reasons behind this decision from my.
After Plex Pass's pricing policy change, I detail my experience switching to Jellyfin, from setup to performance, security to user experience…
I'm sharing the challenges I faced and the lessons I learned when deciding to adopt new technology. On the risks of early adoption and correct timing…
I explain why Kubernetes isn't the only solution for every project, highlighting the advantages of simplicity and cost-effectiveness based on my 20 years of.
As AI model token costs rapidly increase, I explain how you can reduce your bill using practical methods I've experienced.
Learn how to build your own AI agent using Python, LangChain, and the OpenAI API. A step-by-step guide to automating tasks.
I ran my own AI agents autonomously for 6 months. In this process, I encountered successes, disappointments, technical details, and my cost analysis…
5 key reasons why Proxmox will strengthen your homelab in terms of high availability, storage, networking, and security.
Exploring the Microservice Communication Protocol (MCP) standard, which solves the incompatibility problem between AI models, using a USB-C analogy and my own.
I analyze the performance of different LLM models based on their workloads. Comparing GPT-5.5, Claude, Gemini, and DeepSeek to help you choose the right.
With 20 years of system architecture experience, I examine whether managing your own servers is a pleasure or an inevitable need.
I examine the cost increases brought by GitHub Copilot's new token-based pricing model and the strategies I've developed to counter it.
One of the most expensive lessons I've learned in my career: Unnecessary complexity always invites disaster. The power of simplicity and why it's critical…
With 20 years of field experience, I examine the fundamental differences, commonalities, and operational challenges of system architecture and AI solution.
I argue that vibe coding is outdated and has been replaced by Karpathy's 'Agentic Engineering' approach. This new era focuses on AI agents in engineering...
In 2026, we'll explore the differences, advantages, and disadvantages between AI coding tools like Cursor and Claude Code to help you make the right choice...
I examine the potential dangers of AI agents in production environments through a real data loss scenario. Why should we be careful?
With 20 years of experience, I share the promises and challenges I faced in social network development, from scale to security, moderation to sustainability.
Despite the dazzling promises of distributed systems, my 20 years of experience have often shown me the value of the simplicity and control that centralized.
With 20 years of systems architecture experience, I discuss why a single VPS is often sufficient and how adding more can be a waste of resources.
Local build cache or remote cache in your CI/CD pipelines? I dive deep into the balance of speed, cost, and efficiency.
As artificial intelligence rapidly enters our lives, I discuss the limits of AI and what it has yet to achieve, drawing on my 20 years of experience in system.
Mustafa Erbay's pragmatic take on whether using a vector database is truly necessary for your AI projects, exploring trade-offs and alternative approaches.
Advantages, disadvantages, and considerations for building your own push notification system instead of relying on Google Firebase Cloud Messaging (FCM) and.
Mustafa Erbay's practical insights into the 3 key advantages of VLAN segmentation for improving network security, performance, and management.
I analyze blue-green, canary, and rolling update deploy strategies in terms of cost, risk, and resource consumption with a pragmatic approach.
I explore the real challenges in developing Enterprise Resource Planning (ERP) software, focusing on organizational aspects rather than purely technical ones.
My own experiences with the hidden costs I encountered in a manufacturing ERP and the profound effects of organizational decisions on software projects…
With 20 years of system architecture experience, I explain that the most expensive mistake in my career was not a line of code but a 'yes'. The real face of.
With 20 years of system architecture experience, I explain why backup isn't just a 'good idea,' but a necessity, with a striking confession.
How I tackled WAL bloat in PostgreSQL, the practical 4 steps I implemented to reclaim disk space, and critical optimization strategies...
In my twenty-year career, I've personally experienced how neglected monitoring leads to unexpected costs for systems and businesses. This post explores how.
A bitter truth from 20 years of field experience for those who jumped on the microservices bandwagon and overcomplicated their systems: Monolith is not dead.
What you need to know to strike a balance between performance and debugging capabilities by correctly defining the log level strategy in your applications.
I examine the problems of cardinality explosion in metric systems, with storage, performance, and cost impacts, using examples from my own experience.
Despite 20 years of experience, I'm sharing the incident of my VPS crashing in the middle of the night and the lessons I learned. As a system architect, my.
A bold analysis of the costs, risks, and missed opportunities behind the move to cloud, based on 20 years of system architecture experience.
The collapse stories of high‑traffic systems usually stem from small overlooked details rather than major architectural mistakes.
Mustafa Erbay's experiences with 3 practical synchronization challenges encountered when building an offline-first architecture in mobile applications, along.
How is the artificial intelligence revolution affecting system architecture? With 20 years of experience, I evaluate AI's promises and the unchanging.
Two fundamental approaches to error management in software: return codes and exceptions. With 20 years of experience, I'll explain 3 critical differences and.
Should I use Traced Logging or Metric-Based Monitoring when observing my systems? My field experiences reveal the differences and trade-offs of both approaches…
With 20 years of system and network experience, what would I do differently if I designed social media architecture from the ground up? From algorithms to.
I examine the role of ACID in database transactions, when it can be compromised, and in which situations it is critical, based on my own experiences.
Should you optimize mobile app size at the compilation level or with dynamic packaging methods? Pros, cons, and more of both approaches…
With the rise of AI in code generation, the most critical question for system architects and developers is: Who is responsible for the errors that occur?
A practical guide on strategies to optimize the cost and freshness of embeddings in AI applications. Data changes, re-indexing, and…
My experiences and strategic decisions while designing a multi-tenant architecture for a manufacturing ERP. Sharing models, data isolation, and performance…
Understanding PostgreSQL's MVCC mechanism is critical for performance and data consistency. Common mistakes and their solutions when developing applications...
We examine 3 common misconceptions in push notification delivery and the issues they cause in real-world systems. Improving reliability...
Examining the impact of high cardinality metrics on system performance, cost analysis, and optimal usage scenarios.
Strategies for balancing cost and performance when serving AI models. Pragmatic approaches and real-world experiences.
Balancing vendor lock-in and maintenance burden when selecting CI/CD tools is critical for long-term success. In this post, I share my experiences and.
I examine the technical reasons behind mobile push notification delivery issues with my 20 years of system architecture experience. Problems, solutions, and...
I examine when database indexes are beneficial, when they hurt performance, and the right indexing strategies with real-world scenarios.
Determine which system monitoring method, agent-based or agentless, is right for you in 3 simple steps. A practical guide based on my experience.
I compare the performance, concurrency, backup, and resource consumption differences of SQLite and PostgreSQL in production environments based on my field.
I compare monorepo and polyrepo approaches for dependency management in software projects, drawing from my own experiences. Advantages, disadvantages, and.
Mustafa Erbay shares his experiences on the importance, usage, and practical tips for metric and trace data to deeply understand system issues…
We delve deep into switch hardening, a cornerstone of network security. When is it necessary, what are the trade-offs, and its practical applications.
A step-by-step guide on how small teams can practically and effectively implement zero-trust architecture. Core principles, tools...
Regularly rotating secrets in systems is a critical security step. Drawing from my own experiences, I'll discuss secret rotation strategies and practical...
A deep dive into Push and Pull models for collecting system and application metrics, exploring which is more suitable for different scenarios...
How does metric cardinality affect system performance? In this guide, we delve deep into overlooked burdens and developer mistakes.
Should RED metrics be designed based on services or workflows? This post explores the pros, cons, and best use cases for each approach.
I delve into the operational burden and cost of JWT lifecycle management, examining overlooked strategic points and practical solutions.
A deep dive into REST, GraphQL, and gRPC API design approaches. I compare them with concrete examples to help you choose the best fit for your project.
I examine the limits of AI agents' tool usage and the complexity introduced by adding more tools. Practical takeaways from my real-world experiences.
Lock management in distributed systems is critical for data consistency. Exploring different alternatives like Redis, PostgreSQL, and database locks, and.
I share my experiences on the administrative burden, performance losses, and practical alternatives of VLAN segmentation in small-scale networks.
We examine methods for reducing APK and IPA packages, R8/ProGuard settings, and CI/CD processes in mobile app size optimization.
I examine the shortcomings of ORM tools in large-scale projects, their performance bottlenecks, and alternative approaches with concrete examples.
Should you use URI or Header for version management in your APIs? A deep dive into the pros, cons, and real-world scenarios of both approaches.
The differences and advantages between local database and cloud-based approaches for mobile applications
Does using self-hosted runners in CI/CD processes truly save money? I compared hidden costs, hardware resources, and operational overhead.
Exploring the differences, benefits, and real-world applications of storing system and application logs in structured (structured) or unstructured.
I examine why network switch hardening is often overlooked, drawing from my real-world field experience. Closing security vulnerabilities...
I explain the intricacies of LLM inference caching and what to consider when balancing cost and latency, with practical examples.
Exploring the technical risks, database strategies, and practical transition approaches of Strangler Fig and Big Bang when moving monolithic systems to modular.
A deep dive into the real-world risks of agent tool usage and why these risks are often overlooked, based on Mustafa Erbay's experiences...
I address 3 common misconceptions often encountered in mobile app size optimization, drawing from my experiences and concrete examples.
Zero-Trust offers a more robust approach than traditional network security. From my own experience, here are 3 practical steps to set it up.
I explain how I strike a balance between performance and security when moving from a flat network to VLAN segmentation, sharing technical details from my field.
Learn 3 effective approaches to manage dependency vulnerabilities in your software projects, with concrete examples and my experiences.
We delve into 3 common architectural mistakes that degrade the reliability of push notifications in mobile applications and their solutions.
Comments on why OpenTelemetry is so popular in Silicon Valley.
Balancing mobile app size with push notification reliability. Which optimizations truly add value?
The correct use of DEBUG and INFO log levels plays a critical role in debugging and optimizing system performance during application development. In this post.
My experiences organizing MDX layouts on my own blog, and my strategies for optimizing import order and component placement for maximum efficiency...
I examine the advantages and disadvantages of running your GitHub Actions runners on your own servers, focusing on cost, performance, and control.
I share API versioning strategies, the advantages and disadvantages of different approaches, and practical experiences gained in my own projects.
I examine versioning approaches in REST and GraphQL APIs with concrete examples from my experience and a comparative analysis.
A detailed look at the Out-of-Memory (OOM) Killer incidents I experienced on my VPS, the intricacies of system memory management, and the silent deaths caused.
Ensuring data integrity in AI-powered content pipelines is critical. I'll share practical approaches, from ingestion to output, for issues I've encountered in.
A step-by-step guide on how I moved my GitHub Actions runner to my own VPS and reduced costs, while meeting my specific needs.
A first-hand account of the SQLite concurrency and lockout problems I faced in the islistesi.com project, with the solution steps and lessons learned.
I explain how I solved duplicate records and token waste issues in AI content generation processes using idempotency principles.
Microsoft tier model (T0/T1/T2): three assumptions debunked during 8 months of field transition. Lessons learned the hard way.
Fail-over discipline across Gemini, Groq, Cerebras in production AI: quotas deplete invisibly, silent decay degrades quality unnoticed.
How I solved Nginx's failure to reach Docker containers on my own VPS. An in-depth look at the `resolver` directive and the need for dynamic network.
I'm sharing how a cleanup script I wrote on my GitHub Actions runner crashed my system, and the lessons I learned from this painful experience.
I recount the nightmare I experienced when swap usage on my own VPS spun out of control, and the process that began with a Kernel CVE patch.
I explain the unexpected effects of Cloudflare cache bypass rules and how I overcame them with Nginx to improve performance. My experiences on my own VPS.
From small projects to enterprise systems, the operational load and cost of trying to solve every problem with Kubernetes — through my own experience.
From my own experience: pitfalls of raw data collection, anonymization, anomaly detection and operational lessons for building a reliable data pipeline.
While the microservices wind blows, my production experience shows why monolithic structures still hold value. A pragmatic perspective.
How I rode out the OOM (Out of Memory) crisis while running 13 containers on a 1 GB RAM VPS, how kcompactd0 captured the CPU, and the fixes I shipped...
My blog automation collided with another project's build. RAM ran out, sshd reset. Hard reboot + flock for a global build mutex.
How Docker logs silently filled up the disk on my VPS, and the log rotation strategies I applied to fix it.
The operational challenges I faced while building my own AI-driven blog pipeline, and how I solved them. AI content generation, contrary to popular belief…
An in-depth look at the long-term costs and risks created by a simple 'hardcoding' decision in system architecture.
We dig deep into the complex operational challenges, hidden dangers and potential dead ends of distributed lock mechanisms.
Want to understand the hidden swap trap on Linux systems and learn memory management strategies for high-performance systems? Detailed…
Environment Variables play a vital role in application configuration. But mismanaging them can leak hidden secrets and…
Disaster recovery tests aren't only about technology. In this post we dive into the human factor and processes that decide DR plan success...
BGP neighbor wars can lead to a hidden collapse of your network. In this guide, dig deep into BGP neighbor problems and their solutions.
Take a deep look at the causes and solutions for lost messages in event-driven architectures. Boost your systems' reliability with our technical guide.
A deep look at the risks the eventual consistency model brings to distributed systems, and how to prevent critical data loss like missing orders.
Dive deep into the causes, impacts, and strategies to prevent database replication lag, an 'invisible disaster.' Ensure data consistency and...
Learn about stealth resource contention issues in containerized environments and effective solutions to this complex problem.
Explore the network complexity of multi-cloud environments, the causes and impact of hidden route conflicts, and strategies for preventing these problems.
RAM ran out on my VPS, swap filled up, sshd dropped the connection. When the Astro build triggered an OOM, I decided to put together a layered pipeline defense.
I take a deep dive into the Cold Start problem in serverless architectures — why it happens, what it does to performance, and how to actually dodge it…
IaC drift is a sneaky enemy that creates unexpected configuration discrepancies in production. In this post I dig into what drift is, why it shows up, and…
Connection leaks in production are a sneaky threat — they drain system resources without anyone noticing and quietly tank performance. In this post we look at…
I dig into the hidden performance costs of the service mesh sidecar pattern — resource consumption, latency, and operational cost — and how to reason about…
How do firewall rule dependencies in production turn network management into a tangled nightmare? I walk through the real challenges and the strategies…
Learn the principles of Immutable Infrastructure in the cloud and find out how it can boost your operational efficiency. Step by…
The critical security and operational risks that expiring certificates cause in production environments, why they slip through the cracks, and effective…
Take an in-depth look at the invisible network disasters caused by DNS resolution failures and the impact this critical issue has on businesses.
We investigate the overlooked performance bottlenecks of virtual network gateways in production. This article covers why they matter, the hidden problems…
Discover the hidden impact of reverse proxy buffer settings on performance and security. Optimization tips and tricks on the Mustafa Erbay blog!
Cloudflare cache was stuck at 1.1%. Astro Node adapter returns max-age=0 for HTML. Override based on content-type via nginx map directive.
Discover what AI model drift is, its types, its silent effects in production, and how we can build proactive strategies to counter this critical threat.
An in-depth look at the challenges of 'chatty' communication frequently encountered in event-driven microservice architectures, and how to address them.
Disk hit 100% on my VPS and my blog couldn't publish for 5 hours. Docker build cache 33 GB, unused images 23 GB. Pruning + a systemd timer is the permanent fix.
Learn why time synchronization is critical in distributed systems and how to detect and resolve the elusive 'phantom bugs' it can cause.
Examine the causes and impact of broadcast storms that can erupt inside virtual networks of microservice architectures, and learn how to prevent this…
My AI content pipeline blew up with three different format quirks: a slashed tag, a quoted date, a dotted-i character. Solved with a single normalizer.
Learn how virtual network interface queues hurt network performance and how I get past this hidden bottleneck.
Take a deep look at the 'Thundering Herd' problem that threatens performance and stability in distributed systems. Understand this destructive effect and…
The performance and scalability gains read replicas offer come hand-in-hand with the stale data problem — examine this nightmare and how to wrestle it under…
The source of those unnoticed performance problems on your VMware ESXi cluster might just be Storage I/O Control. A detailed look and optimization advice.
Explore the challenges, best practices, and solutions around managing ConfigMaps and Secrets in Kubernetes. Learn how to head off the operational nightmares.
Discover the hidden network dependencies that quietly bring production systems down. This article walks through the causes, symptoms, and prevention…
Find out how machine-learning models lose performance over time and why Model Drift is a silent killer for the AI systems you run in production...
Take a deep dive on Mustafa Erbay's blog into the complexity of distributed tracing in critical systems and the invisible errors that come with it…
Kafka consumer group rebalancing is one of the foundational mechanics of distributed streaming. This piece walks through what triggers it, what it costs…
The operational crises I keep running into when I manage cloud infrastructure with GitOps — and the patterns that have helped me avoid the worst of them.
Treating configuration like a product: feature flags, parameter store, schema, approval flow, audit log, and rollback discipline.
Take a deep look at Terraform plan's surprise resource deletions and the strategies for protecting your automation pipelines from these kinds of failures.
Discover the data consistency problems you run into when migrating from a monolithic database to a microservice architecture, plus solutions, in this…
Learn how to secure network traffic between pods using Kubernetes Network Policies. A from-A-to-Z guide with detailed examples for Network…
A deep look at database provisioning mistakes I keep running into on cloud platforms, the symptoms they cause, and the fixes that actually hold up in…
Why concurrent deployments matter on cloud-native platforms, and the role stress testing plays in keeping them from becoming incidents.
In distributed systems, badly designed retries make outages worse. An approach to limiting damage with timeout budgets, retry budgets, and backpressure.
An approach to building secure B2B file exchange using an object storage dropzone, short-lived access, and audit trails — instead of an SFTP bottleneck.
A real war story about an outage day in cloud architecture and why DNS failover strategies matter.
Explore the hidden traps and possible failure modes inside the auto-renewal process of certificates that are vital to digital security. Don't let your security…
Routing pain in Multi-Cloud Network Mesh setups, the complexity behind it, and how to climb out of these nightmares with practical solutions and…
Discover the causes and types of model drift in Edge AI systems, plus how to handle the problem with automated rollback mechanisms.
Threshold, signal and rollback discipline for Envoy outlier detection — shrinking the blast radius of broken nodes in distributed systems.
We dive into state management strategies and the challenges that come with using event sourcing in cloud native distributed systems.
Learn database replication strategies in cloud environments. Best methods for high availability, data security, and performance gains.
A signal set, failover testing playbook, and operational decision tree for tracking down silent packet loss in MLAG and LACP topologies.
Get to know cloud cost optimization through a real-world case study and successful strategies. In-depth notes from Mustafa Erbay.
A model for turning syslog loss and log storm risk into a reliable log channel for incident/audit, using TLS/relay, disk-backed queue, and rate limiting.
Discover the power of Network Policies for securing pod-to-pod networking in Kubernetes. Effective answers to invisible threats.
A CoPP/CPP model that classifies and polices routing, management, and ICMP traffic on the router/switch control plane to reduce CPU exhaustion and adjacency…
Reducing the risk of rogue neighbors and route injection in the routing domain through OSPF/IS-IS authentication, key rotation, and control-plane hardening.
Traffic steering discipline for multi-region services using GSLB, built around health signals, hold-down, and controlled failback.
An operating model for the BMC (iDRAC/iLO/IPMI) attack surface using segmentation, identity, audit, and break-glass to keep it secure and auditable.
A controlled-transition, telemetry, and runbook approach for enterprise policy and visibility in a world of encrypted DNS via DoH/DoT/DoQ.
A practical runbook for steering traffic with localpref, community, prepend, and MED in multi-ISP and multi-POP environments — measurable and reversible.
A practical architecture and operations guide for handling long-lived HTTP/2 connections, idle timeouts, and retry storms without losing your SLO.
An expand/contract approach for schema changes without downtime, plus backfill strategy, dual-write risks, and a rollback plan.
When are sticky sessions essential and when are they technical debt for WebSocket, long TCP sessions and stateful applications? A decision matrix grounded…
An SSO broker design that unifies legacy SAML applications and modern OIDC services under a single identity policy — secure and operationally manageable.
When some users work and others don't, a frequent cause is broken PMTUD and an MTU blackhole. Diagnosis steps and a permanent fix.
A practical edge design guide that addresses routing, health signals, capacity, and attack scenarios together to see Anycast's real benefits.
ZTNA isn't just about inbound access. A practical approach to data leakage with egress (outbound) control, DLP signals and service-centric segmentation.
GRE tunnels, BGP signaling, capacity, and an operational runbook to keep the service up by diverting traffic to scrubbing during an attack.
Designing, monitoring, and writing an incident runbook for the max-prefix guardrail that protects edge routers during route leaks and bad-prefix waves.
Build a sustainable DNS security control by blocking threat domains via RPZ at the recursive resolver, with proper exception handling and observability.
Choosing the right path for application classes via active probes that measure latency/jitter/loss; rapid diagnosis during degradation and a controlled…
A practical model that lowers supply-chain risk on self-hosted CI runners with isolation, network boundaries and OIDC-based short-lived authorization.
Build an operational telemetry pipeline by collecting and enriching IPFIX/NetFlow streams for DDoS triage, capacity planning, and anomaly detection.
A practical approach to managing HTTP/3 traffic over UDP/443 without breaking security, visibility, or performance.
Protecting Secrets with real cryptography rather than just base64: encryption configuration, KMS integration, and an operational rotation model.
Hardening campus and data center backbones by encrypting L2 links with MACsec (802.1AE): design choices, risks, and operations.
Pull your firewall rule set out of the 'don't touch it, it'll explode' state with hitcount, log evidence, ownership, and a wave-based approach to safely…
A practical architecture guide that handles hub-spoke and Transit Gateway design together with security, route control, and operational observability.
Bring route leak, flap, and blackhole events down to minutes by combining BMP telemetry, route analytics, and an alarm model in a practical approach.
Managing kernel security patches without reboot pressure: a live-patch approach, the risks, a ring strategy, and operational discipline.
Beyond installing Ceph: an architectural approach to failure domain, capacity, and recovery behavior so the cluster can actually heal during a fault.
An architectural, security-focused, and operational view of NTP/PTP for distributed systems where TLS, log correlation, and consistency depend on accurate time.
When pool members appear 'UP' but traffic vanishes, combining active checks with passive signals to design failover that actually reflects reality.
Preserving the trust boundary across DIA / DC / cloud egress in SD-WAN: traffic classification, DNS strategy, split-tunnel, and a centralized log model.
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.
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…
An approach for placing the in-house DNS resolver tier near the POP/branch using Anycast — cutting latency while improving operability.
A field-applicable plan for rolling out IPv6 not just as 'an address' but together with DNS, security, observability, and operational reflexes.
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.
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.
Hypotheses, blast radius and automatic rollback guardrails so resilience tests don't turn into blind risks in production.
Producing controlled loss instead of a random collapse when a system is under pressure: rate limits, queues, feature flags and prioritization.
A practical model for making the trust chain from firmware to kernel measurable, without locking operations down in the process.
A controlled approach to reducing DDoS impact during operations using an RTBH/FlowSpec decision tree, verification steps, and a rollback plan.
A practical framework to detect the queue, timeout, and retry loop that emerges when a connection pool clogs, and to intervene safely.
Bringing reliable processing guarantees to message-based architectures with outbox, dedup keys, DLQ, and a replay runbook.
Graceful restart logic, risks, verification steps, and a rollback standard for doing BGP maintenance without 'dropping routes'.
An architectural decision frame for rolling out patches across large platform fleets in controlled waves rather than in a single pass.
A transaction-shadowing approach for testing a new release inside critical ERP flows without producing live impact.
An enterprise architecture approach that grows ERP integration flows through controlled rings rather than flipping the core in one shot.
An approach that turns architectural dependencies from a static diagram into readable impact analysis available before changes.
An enterprise architecture approach that places DNSSEC validation in a dedicated resolver layer to raise trust in name resolution.
A repeatable masking pipeline for ERP test environments that preserves realistic data behavior, keeps security intact, and is reproducible.
An architectural approach to managing privileged emergency access not through always-on permissions but via an auditable, short-lived control plane.
Explores the regional cell approach for ERP integrations to manage data sovereignty, latency, and blast radius.
A digital twin approach for seeing drift in firewall, routing, and segmentation rules without touching production.
An architectural approach to building an RPKI-based trust chain in enterprise networks to reduce BGP route leak and forged origin risks.
Architectural guide covering the quarantine account approach and its boundaries when isolating management services from production resources in a cloud…
An architectural model that manages backbone capacity ahead of growth by reading underlay and service traffic together.
An architectural approach that bounds cloud cost from the start with policy, tagging, and lifecycle rules instead of reporting on it after the fact.
An architectural approach focused on resilience and consistency that runs the integration layer active-active without straining the ERP core.
An architectural approach that protects the production transactional load while moving reporting and analytics queries onto a separate data surface.
A cloud architecture approach that ties capacity decisions to service objectives rather than average utilization alone.
A retry corridor that prevents repeated calls from producing data inconsistencies and improves resilience in ERP integrations.
An ERP approach that manages database schema changes through a reversible and observable migration pipeline, without amplifying outage risk.
A DNS architecture that separates the resolution flow per segment, reducing abuse risk, data exfiltration, and operational blind spots.
An observability control room approach that gathers ERP-adjacent critical flows not into a single pane but into a single operational language.
A guide that ties core security controls — identity, network segmentation, patch management and observability — into a checklist you can actually apply in…
An architectural framework that explains when consolidating DNS, egress, security and observability services into a single VPC is the right call.
An architectural approach that turns TLS certificates from a file-renewal chore into a first-class enterprise platform component.
A message queue isolation approach that separates the integration load between the ERP core and surrounding systems.
An architectural approach that separates the control plane from the product lifecycle as platform teams scale shared services.
A central secret key distribution architecture that reduces the burden of secret handling across ERP integrations and batch flows.
An architectural framework for the BGP EVPN approach that makes segmentation more scalable in data center and campus networks.
An architectural roadmap for moving from layered bottleneck designs to an L3 Clos fabric in growing data center networks.
An architecture that manages telemetry cost and security through a central decision layer instead of scattered agents and pipelines.
An architectural approach that converts ERP processes tied to nightly batch windows into event-driven and observable flows.
An enterprise access architecture that manages privileged access without depending on a single jump server.
A practical guide to state management, module design, drift control, and a safe promotion flow when building IaC with Terraform.
An integration contract approach that protects version, ownership, and change boundaries of services around the ERP.
A shared design approach that simplifies identity, authorization, and operational boundaries in multi-account cloud setups.
A framework for treating the DNS layer as a service routing and resilience control point, not just a name resolution service.
The fundamentals of building a realistic active-passive recovery model for ERP systems, covering data consistency, network routing, and operational roles.
A practical framework for evaluating AI coding tools across productivity, security, and quality, and adopting them safely as a team.
Covers the ephemeral management access design used to reduce the burden of persistent bastions and shared accounts.
A network and access segmentation approach that reduces standing broad permissions when administering ERP core systems.
Principles for collecting enterprise outbound internet traffic into a visible, auditable, and scalable egress layer.
An integration DMZ approach for connecting ERP systems to external services in a secure and manageable way.
An architectural framework for the golden path approach so platform teams can deliver speed and standardization together.
A data replication layer design approach for distributing the integration load without disrupting the ERP core.
An approach to building an isolated recovery zone against ransomware and management mistakes, going beyond simply storing backups.
A practical guide that addresses service boundaries, traffic management, SLOs, and platform responsibilities together when designing microservices on…
Telemetry sampling design principles for keeping log volume under control without losing security visibility.
An approach for collecting partner and external service integrations in a secure intermediate layer without exposing ERP core systems directly.
An out-of-band design approach that separates management access from production traffic on critical network and server infrastructures.
An enterprise approach that centralizes identity, rate-limit, and data-protection policies at the API gateway layer.
A practical framework for picking a language not by 'trend' but by production use-case, team cost, and operability.
An approach for making east-west traffic visible across microservice and VM-based environments without standing up a service mesh.
A guide to designing, at enterprise scale, a self-service platform approach that takes infrastructure teams out of the bottleneck role.
Design principles for keeping the DNS and service-discovery layer in hybrid infrastructures from becoming a single point of failure.
An observable and actionable Zero Trust segmentation approach that reduces lateral movement on enterprise networks.
Practical principles for a Kubernetes platform architecture that scales on the cloud while keeping budget discipline.
How to build a Zero Trust approach across enterprise networks through identity, segmentation and observability layers.
A landing zone approach for getting network, security, and governance right from day one in enterprise cloud migrations.
A guide to building a resilient, observable, and loosely coupled integration architecture around enterprise ERP systems.
A practical observability design that brings logs, metrics, and traces together into a single operational model.
AI-powered software development tools and their impact on modern software engineering.
The allure of microservices in software architecture is strong, but twenty years of experience have shown me they're not always the right solution. On this.
I'm sharing the moment Docker completely locked up my server and the valuable lessons I learned from that mistake. How a wrong assumption can lead to a big...
With 20 years of system architecture experience, I discuss why Kubernetes is not the right solution for everyone, focusing on cost and complexity.
We delve into the intricacies of offline-first synchronization in mobile applications, the challenges encountered, and real-world expectations.
With 20 years of system architect experience, I discuss AI's future role and how it will shape us. We won't be unemployed, but we will transform.
A personal experience about the cost of using AI-generated code without questioning it, and the lessons I learned in the process.
Error handling in software, choosing between Exceptions and Result types, is often a dilemma. Based on my 20 years of experience, I'll explain these two.
I examine the singular control mechanisms behind open-source projects and their long-term effects through my own experiences.
In my twenty-year journey in system administration, I learned much more than just technical knowledge. The most important lessons came from my mistakes, my.
Working on a manufacturing ERP for over 5 years, I learned that software architecture is actually organizational flow. Here's why we need to focus on much more.
In my career, technical glitches weren't the real problem; it was the technical debt accumulated by saying 'we'll fix it later.' This silent killer's impact on.
I've worked with countless open-source projects in my career. But how sustainable is this 'free' world really? I discuss this topic with my experiences.
With 20 years of experience, I question how AI is changing our quest for knowledge and the true value of information in the post-Stack Overflow era.
Explore the foundations, applications, and future potential of artificial intelligence and machine learning through Mustafa Erbay's perspective.