Client-Server Architecture
A distributed architecture where clients send requests to centralized servers that provide services and resources.
Networking
DNS - Domain Name System
The hierarchical, distributed naming system that translates human-readable domain names into IP addresses, serving as the Internet's …
Firewalls and Network Security
Network security devices and techniques that control traffic flow between networks, including packet filtering, stateful inspection, and …
HTTP and HTTPS
The foundational web protocols for transferring hypertext documents and resources, with HTTPS adding encryption via TLS for secure …
IP Addressing and Subnetting
The system of numerical addresses used to identify devices on IP networks, including IPv4, IPv6, CIDR notation, and subnet design for …
Load Balancer
What load balancers do, the types available on AWS, and how to choose the right one for your workload.
NAT Gateway
What NAT gateways do, how they enable private subnet internet access, and cost considerations for AWS deployments.
Network Protocols Overview
A survey of essential network protocols beyond TCP, UDP, and HTTP, including ARP, ICMP, DHCP, FTP, SMTP, and SSH.
OSI Model
The Open Systems Interconnection model, a seven-layer conceptual framework that standardizes how network communication functions are …
Routing and Switching
The fundamental network operations of forwarding data at Layer 2 (switching via MAC addresses) and Layer 3 (routing via IP addresses) to …
Service Mesh
What a service mesh is, how it manages service-to-service communication, and when the complexity is justified.
Subnet
What subnets are, how they segment VPC networks, and best practices for subnet architecture on AWS.
TCP and UDP
The two primary transport-layer protocols of the Internet: TCP provides reliable, ordered delivery while UDP provides fast, connectionless …
TCP/IP Model
The four-layer Internet protocol suite that defines how data is transmitted across networks, forming the architectural foundation of the …
TLS/SSL
Transport Layer Security and its predecessor Secure Sockets Layer, cryptographic protocols that provide encrypted communication and …
VPC - Virtual Private Cloud
What a VPC is, how it provides network isolation on AWS, and essential VPC design considerations for AI workloads.
Zero Trust Architecture
What zero trust means, how it replaces perimeter-based security, and why AI model serving and data access require zero trust principles.