Computer Networking

Computer Networking

Articles

Learning Path — 18 articles

1 Networking Basics: How Computers Communicate Learn networking fundamentals — how data travels across networks, encapsulation, packet switching, addressing … 7 min Start Here 2 OSI Model: The 7 Layers of Network Communication Deep dive into the OSI model — physical, data link, network, transport, session, presentation, and application layers … 8 min Start Here 3 TCP/IP Protocol Suite: How the Internet Works Deep dive into the TCP/IP protocol suite — IP, TCP three-way handshake, flow/congestion control, UDP, ICMP, DNS, DHCP, … 8 min Start Here 4 DNS Explained: How Domain Name Resolution Works Master DNS — recursive and authoritative resolution, record types (A, AAAA, CNAME, MX, TXT), DNSSEC, DNS over HTTPS/TLS, … 8 min 5 HTTP and HTTPS: The Web Protocol From HTTP/1.1 to HTTP/3 Complete guide to HTTP — request methods, status codes, headers, TLS 1.3 handshake, HTTP/2 multiplexing, HTTP/3 over … 8 min 6 IP Addressing: IPv4, IPv6 Subnetting, and CIDR Explained Master IP addressing — IPv4 structure and classes, IPv6 features (SLAAC, global unicast), CIDR subnet calculation, VLSM, … 8 min 7 Network Routing: OSPF, BGP, and How Packets Travel the Internet Learn routing fundamentals — static and dynamic routing, OSPF areas and SPF algorithm, BGP path attributes and peering, … 8 min 8 Network Topologies: Star, Mesh, Leaf-Spine, and Hybrid Designs Explore network topologies — physical and logical designs in star, mesh, bus, ring, tree, leaf-spine, and hybrid … 8 min 9 VPNs: Virtual Private Networks Explained Learn how VPNs work — tunneling protocols, encryption, site-to-site and remote access VPNs, use cases, and security … 7 min 10 Network Security: Firewalls, Encryption, and Defense in Depth Learn network security — packet filter, stateful, and NGFW firewalls, IDS/IPS, TLS encryption, zero trust architecture, … 8 min 11 Wireless Networking: Wi-Fi 6/6E, 7 Standards and Deployment Guide to wireless networking — Wi-Fi standards (Wi-Fi 5, 6, 6E, 7), 2.4/5/6 GHz bands, WPA2/WPA3 security, access point … 8 min 12 Load Balancing: Algorithms, Types, and Best Practices Learn load balancing — round robin, least connections, IP hash, Layer 4/7, hardware vs. software vs. cloud load … 7 min 13 CDN Guide: How Content Delivery Networks Accelerate the Web Learn how CDNs work — edge servers, caching strategies (static, dynamic, invalidation), DDoS protection, provider … 8 min 14 Network Troubleshooting: Ping, Traceroute, Wireshark, and Methodology Learn network troubleshooting — systematic OSI-based methodology, ping, traceroute, nslookup, Wireshark packet analysis, … 8 min 15 Network Cabling Standards: Ethernet, Fiber, and Structured Wiring Comprehensive guide to cabling standards — Cat5e to Cat8, single-mode and multi-mode fiber, TIA/EIA-568 structured … 8 min 16 Network Engineer Career Path: CCNA, CCNP, and Beyond Guide to networking careers — CCNA, CCNP, Network+ certifications, roles from technician to architect, essential skills … 7 min Advanced 17 Software-Defined Networking: SDN Architecture and OpenFlow Learn SDN — control and data plane separation, OpenFlow protocol, SDN controllers (OpenDaylight, ONOS, Ryu), network … 8 min Advanced 18 Network Automation: Ansible, NAPALM, and CI/CD for Networks Learn network automation — Ansible modules for Cisco/Juniper/Arista, NAPALM multi-vendor API, Jinja2 templating, CI/CD … 8 min Advanced