Design of Google Maps

High-level design

Let's start with the high-level design of a map system. We split the discussion into two sections:

1. The components we'll need in our design.

2. The workflow that interconnects these components.
   

Components

We’ll use the following components in our design:

• Location finder: The location finder is a service used to find the user’s current location and show it on the map since we can’t possibly personally remember the latitude and longitude for every place in the world.

• Route finder: The route finder service is used to find the paths between two locations or points. It shows the path on the map to users, who are new to a place and needs help with navigation.

• Navigator ...