Networking
BGP, DNS, latency optimization, QUIC/HTTP3, network observability, and traffic analysis.
DNS for Engineers Who Keep Breaking Things: From Resolution to Debugging
Understand DNS from the ground up so you stop debugging the wrong thing when name resolution fails. Covers how DNS actually works, TTL traps, split-horizon, DNSSEC, and the debugging tools that will save you at 3 AM.
Load Balancing Strategies: Beyond Round Robin
Choose and configure load balancing algorithms that match your workload characteristics. Covers L4 vs L7 balancing, health checks, connection draining, session affinity, and the failure modes that take down your entire service.
Zero Trust Networking: Security Beyond the Perimeter
Implement zero trust network architecture where every request is authenticated and authorized regardless of network location. Covers identity-based access, micro-segmentation, mutual TLS, policy engines, and the migration path from perimeter-based security.
Network Monitoring and Troubleshooting
Monitor and troubleshoot network issues in production environments. Covers monitoring tools, common failure patterns, packet analysis, latency diagnosis, and DNS troubleshooting.
Zero Trust Network Architecture
Implementing zero trust networking from scratch. Covers identity-based access, microsegmentation, mTLS, network policies, and replacing VPNs with zero trust proxies.
Container Networking Deep Dive: From Pods to Service Mesh
Understand container networking from first principles — how pods communicate, how Kubernetes services route traffic, how network policies enforce security, and when a service mesh is worth the operational complexity.
CDN Architecture: Serving Content at the Edge
Design CDN strategies that reduce latency, offload origin servers, and improve reliability. Covers cache hierarchies, cache invalidation, multi-CDN failover, edge computing, and the configuration patterns that prevent your CDN from serving stale content or bypassing your security controls.
Network Observability: Seeing What Flows Through Your Infrastructure
Implement network observability to detect anomalies, debug connectivity issues, and understand traffic patterns. Covers flow logs, packet capture, eBPF-based monitoring, DNS analytics, and the dashboards that make network behavior visible to application teams.
Service Mesh Architecture
Implement a service mesh to manage service-to-service communication with zero application code changes. Covers sidecar proxies, mTLS, traffic management, observability, and deciding whether a service mesh is worth the operational complexity.
DNS Engineering
Master DNS as a critical infrastructure component. Covers DNS architecture, caching, security extensions (DNSSEC), split-horizon DNS, DNS-based service discovery, failover patterns, and the DNS problems that cause the most outages.
Zero Trust Networking
Implement Zero Trust networking principles where no connection is trusted by default. Covers identity-based access, micro-segmentation, BeyondCorp architecture, continuous verification, and moving from perimeter-based to identity-based security.
Load Balancing Strategies
Choose and configure load balancing strategies for different application requirements. Covers L4 vs L7 load balancing, health checks, session persistence, global load balancing, and the algorithms that determine where traffic goes.
Network Observability with eBPF
Monitor network traffic at the kernel level using eBPF for deep observability without agent overhead. Covers eBPF fundamentals, Cilium Hubble, DNS monitoring, latency tracking, traffic flow visualization, and the patterns that give complete network visibility.
Network Segmentation Patterns
Design network segmentation that contains blast radius and limits lateral movement. Covers micro-segmentation, VLAN design, firewall zones, east-west traffic control, zero-trust segmentation, and the patterns that prevent network breaches from spreading.
IPv6 Migration Engineering
Plan and execute IPv6 migration for modern infrastructure. Covers dual-stack architecture, IPv6 addressing, DNS considerations, cloud provider IPv6 support, security implications, and the patterns that make IPv6 adoption smooth and reversible.
QUIC and HTTP/3
Understand QUIC protocol and HTTP/3 for next-generation web performance. Covers connection establishment, multiplexing improvements over HTTP/2, migration support, and the patterns that reduce latency and improve reliability on modern networks.
DNS Architecture and Resilience
Design DNS infrastructure for reliability, performance, and security. Covers DNS resolution, record types, failover strategies, DNSSEC, DNS load balancing, GeoDNS, and the patterns that prevent DNS from being the single point of failure.
Network Latency Optimization
Reduce network latency at every layer of the stack. Covers TCP optimization, connection reuse, DNS prefetching, edge computing, protocol selection, and the patterns that shave milliseconds that compound into competitive advantage.
BGP Fundamentals for Engineers
Understand how the internet routes traffic between networks. Covers BGP peering, autonomous systems, route propagation, prefix hijacking, and the networking fundamentals that every cloud engineer should know about how packets find their destination.
Network Traffic Analysis
Analyze network traffic patterns to detect anomalies, optimize performance, and enhance security. Covers flow analysis, packet inspection, traffic classification, bandwidth planning, and the patterns that turn raw network data into actionable intelligence.
API Gateway Networking: Traffic Management at the Edge
A deep dive into API gateway networking — rate limiting, circuit breaking, request routing, TLS termination, and edge security patterns for production APIs.
Network Access Control with 802.1X
Production-ready guide covering network access control with 802.1x with implementation patterns, code examples, and anti-patterns for enterprise engineering teams.
QUIC and HTTP/3 Deployment Strategy Guide
Production-ready guide covering quic and http/3 deployment strategy guide with implementation patterns, code examples, and anti-patterns for enterprise engineering teams.
Service Discovery Patterns for Distributed Systems
How services find and communicate with each other in dynamic environments — covering DNS-based, registry-based, and mesh-based service discovery patterns.
Dns Infrastructure
Production engineering guide for dns infrastructure covering patterns, implementation strategies, and operational best practices.
Dns Over Https
Production engineering guide for dns over https covering patterns, implementation strategies, and operational best practices.
Firewall Rule Management
Production engineering guide for firewall rule management covering patterns, implementation strategies, and operational best practices.
Load Balancer Algorithms
Production engineering guide for load balancer algorithms covering patterns, implementation strategies, and operational best practices.
Network As Code
Production engineering guide for network as code covering patterns, implementation strategies, and operational best practices.
Network Automation Ansible
Production engineering guide for network automation ansible covering patterns, implementation strategies, and operational best practices.
Network Capacity Planning
Production engineering guide for network capacity planning covering patterns, implementation strategies, and operational best practices.
Network Resilience Patterns
Production engineering guide for network resilience patterns covering patterns, implementation strategies, and operational best practices.
Network Monitoring Tools
Production engineering guide for network monitoring tools covering patterns, implementation strategies, and operational best practices.
Network Performance Tuning
Production engineering guide for network performance tuning covering patterns, implementation strategies, and operational best practices.
Network Security Zones
Production engineering guide for network security zones covering patterns, implementation strategies, and operational best practices.
Network Troubleshooting
Production engineering guide for network troubleshooting covering patterns, implementation strategies, and operational best practices.
Quic Protocol Deep Dive
Production engineering guide for quic protocol deep dive covering patterns, implementation strategies, and operational best practices.
Software Defined Networking
Production engineering guide for software defined networking covering patterns, implementation strategies, and operational best practices.
Traffic Engineering
Production engineering guide for traffic engineering covering patterns, implementation strategies, and operational best practices.
Vpn Architecture Patterns
Production engineering guide for vpn architecture patterns covering patterns, implementation strategies, and operational best practices.
Wireguard Deployment
Production engineering guide for wireguard deployment covering patterns, implementation strategies, and operational best practices.
Bgp Routing Advanced
Production-grade guide to bgp routing advanced covering architecture patterns, implementation strategies, testing approaches, and operational best practices for enterprise engineering teams.
Dns Architecture Production
Production-grade guide to dns architecture production covering architecture patterns, implementation strategies, testing approaches, and operational best practices for enterprise engineering teams.
Network Observability Tools
Production-grade guide to network observability tools covering architecture patterns, implementation strategies, testing approaches, and operational best practices for enterprise engineering teams.
Network Security Segmentation
Production-grade guide to network security segmentation covering architecture patterns, implementation strategies, testing approaches, and operational best practices for enterprise engineering teams.
Network Troubleshooting Methodology
Production-grade guide to network troubleshooting methodology covering architecture patterns, implementation strategies, testing approaches, and operational best practices for enterprise engineering teams.
DNS Architecture for Global Applications
Production-ready guide covering dns architecture for global applications with implementation patterns, code examples, and anti-patterns for enterprise engineering teams.
Software-Defined WAN Architecture Design
Production-ready guide covering software-defined wan architecture design with implementation patterns, code examples, and anti-patterns for enterprise engineering teams.