Grokking the System Design Interview
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Bandwidth estimation related

shripadtheneo

Oct 28, 2024

I thought bandwidth estimation should also consider requests per seconds. So if you 10 million users which if we can distribute over the 24 hours, and then we can get qps and then multiply that by 4mb to get the bandwidth. Other wise storage estimation and bandwidth becomes same

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Maanik sharma 024
Maanik sharma 0242 months ago

I think if we can handle badwidth for streaming then we can also handle requests . I can be wrong. Bandwidth is for streaming purpose which i flowing on network. Storage is same and based on uploads , i think

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Purpose

Why is Estimation Important in System Design Interviews?

Estimation Techniques

  1. Rule of thumb
  1. Approximation
  1. Breakdown and aggregation
  1. Sanity check

Types of Estimations in System Design Interviews

Process

Practical Examples

  1. Load Estimation
  1. Storage Estimation
  1. Bandwidth Estimation
  1. Latency Estimation
  1. Resource Estimation

System Design Examples

  1. Designing a messaging service
  1. Designing a video streaming platform

Tips for Successful Estimation in Interviews

  1. Break down the problem
  1. Use reasonable assumptions
  1. Leverage your experience
  1. Be prepared to adjust your estimations
  1. Don’t Forget to Ask Clarifying Questions
  1. Communicate your thought process

Conclusion