Study Notes & Research
Technical Notes & Architecture Logs
Deep-dive notes, packet flow diagrams, and first-principles breakdowns written while exploring systems, protocols, and infrastructure.
Oct 20265 min read
Deconstructing the TCP 3-Way Handshake & State Machine
A deep dive into SYN, SYN-ACK, and ACK packets, sequence numbers, and how reliable transport connections are established and terminated.
#TCP/IP#Networking#Protocols#Wireshark
Read Note Sep 20266 min read
Subnetting Math: Demystifying CIDR & Host Ranges
How to calculate network addresses, broadcast addresses, and usable host counts from any IPv4 CIDR prefix without guesswork.
#IPv4#Subnetting#CIDR#Routing
Read Note Aug 20267 min read
Namespaces & Cgroups: What Actually Separates Containers from VMs?
An architectural comparison between hardware-level hypervisors (Type 1 & Type 2) and Linux kernel isolation primitives.
#Linux#Docker#Virtualization#Kernel
Read Note Jul 20264 min read
From Browser URL to IP: The Complete DNS Recursive Lookup Journey
Tracing what happens when you type a domain into your browser: resolver caches, Root hints, TLD servers, and authoritative nameservers.
#DNS#Networking#Internet#Web Architecture
Read Note