Cloud Computing

Cloud Computing & Modern Infrastructure: From Bare Metal to Containers & Serverless

From bare metal servers to containers and serverless architecture. Designing for elasticity, avoiding cloud bill shocks, and building resilient distributed systems.

Cloud Computing & Modern Infrastructure: From Bare Metal to Containers & ServerlessView only
ABOUT THIS TOPIC

Cloud Computing

From bare metal servers to containers and serverless architecture. Designing for elasticity, avoiding cloud bill shocks, and building resilient distributed systems.

  • The Elasticity Revolution & CapEx vs. OpEx
  • Containers vs. Virtual Machines
  • Serverless Architecture & Multi-AZ Resilience
KEY TAKEAWAYS & NOTES

Key takeaways

01

The Elasticity Revolution & CapEx vs. OpEx

Fixed hardware creates the college portal paradox: servers sit idle 363 days a year, yet collapse during peak traffic bursts. Elastic cloud infrastructure replaces high upfront CapEx with metered OpEx that provisions compute outward on demand and contracts when traffic subsides.

02

Containers vs. Virtual Machines

While hypervisors virtualize physical hardware and replicate entire guest operating systems, containers share the host Linux kernel through namespaces and cgroups. This enables workloads to launch in milliseconds with minimal memory overhead while eliminating environment inconsistencies.

03

Serverless Architecture & Multi-AZ Resilience

Event-driven serverless platforms run on demand with scale-to-zero economics. Deploying across multiple Availability Zones provides fault tolerance, while FinOps discipline prevents runaway recursive loops and bandwidth surprises.

TAKE IT WITH YOU

Download PDF notes.

Enter your details to download the notes and subscribe to my newsletter.

Labs

Better on bigger screen

Choose an experiment

EXPERIMENT 01 / CAPACITY & ELASTICITY

Burst Traffic Spike & Autoscaling Simulator

Simulate sudden burst traffic during a university results announcement or flash sale. Compare traditional fixed server capacity against elastic cloud container clusters and serverless execution.

Compute Units12 instancesActive nodes
Node Load70%CPU capacity
Latency (P99)48 msResponse time
Dropped Traffic0%100% delivered
Monthly Run Rate₹20,080Metered utility

Horizontal Pod Autoscaler: Dynamic pool of 12 container replicas maintained at 70% target load.

Active Compute Topology
Instance 01
Instance 02
Instance 03
Instance 04
Instance 05
Instance 06
Instance 07
Instance 08
Instance 09
Instance 10
Instance 11
Instance 12