Load Balancing

• Minimum Viable Product (MVP)

• Module Introduction

• Why do we need distributed system

• What happens to the user’s data when a user does not logout ?

• DNS and ICANN

• how a URL is different from the IP address or how they are related?

• What is reason of keeping layered design.

• Do root DNS sync up with ICANN servers often

• How can people globally and uniquely identify a domain name

• Will it take longer for you to connect to Google DNS because you are overwriting the default DNS?

• Distribution of load

• Is IP assigned by ISP , get added in ICANN Domain
• So if we consider the cost, we are getting better configuration in horizontal…. Then where we should use vertical

Caching

• Separating Application & Database

• Caching

• Caching Layers for Backend Infrastructure

• Content Delivery Network (CDN)

• What is Anycast and Why Anycast

• Backend Caching

• – Local Caching vs Global Caching 

• – Single vs. Distributed Cache

• Issues with Cache

• Eviction Policies

• Immediate Consistency / Strong Consistency
• Eventual Consistency