Requirements and Challenges

Google Maps is a system that helps you find the best possible routes between the two locations.

Before jumping into the design of Google Maps, let’s first collect the requirements by assuming yourself as a person who wants to travel from one place to another and doesn’t know the paths. Possibly, you will have the following question in your mind:

• There could be multiple paths that take me to my destination, so which path should I follow?

The decision depends on the following two parameters:

1. Distance
2. Time

We can think of designing a system that uses

• distance and speed to

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