Cartoon: what are IAAs, PAAS, SaaS?

If you want a house of your own , What options do you have ？

The first way , We can go up the mountain to cut trees and prepare wood by ourselves , Then burn bricks, tiles and other materials by yourself , You also need to grind paint and other materials by yourself .....

When the materials are ready , We can build our own foundation , Building the infrastructure of the house , Wall laying and tile laying , Painting decoration ...... After a series of overall planning , Until the house is finally built .

The way to build a house , You can use a picture to briefly summarize ：

The second way , We can buy all the materials needed for the building , Including wood 、 Brick and tile 、 Paint, etc .

When the materials are ready , Still like that , We build our own foundation , Building the infrastructure of the house , Wall laying and tile laying , Painting decoration ...... After a series of overall planning , Until the house is finally built .

The way to build a house , You can use another picture to briefly summarize , The green part of it , It's our outsourced work , The blue part , It's our own job ：

The third way , We can not only buy all the materials needed for construction , You can also hire various workers to complete subsequent specific work .

For example, we can hire foundation workers to lay the foundation , Hire bricklayers to build walls and lay tiles , Hire painters to paint, etc ...... And all we have to do is make overall planning , Until the house is finally built .

The way to build a house , You can also use a chart to briefly summarize , The green part of it , It's our outsourced work , The blue part , It's our own job ：

The fourth way , We directly choose one-stop service . Someone helped us prepare the materials needed for the building , Another person helped us finish the follow-up construction work , Even the overall planning and decoration of the house have been done for us . And the only thing we need to do , Just carry a bag and check in .

This way is shown in the figure ：