Concurrency and your network speed has a relationship, theoretically hundreds of thousands of users online at the same time can be, we do cad to the web page, so open the drawings are in the web page inside, completed on the user's computer.
In the user's computer to complete, the server just do drawing conversion work, the conversion process will be released, the rest is the processing of the web page, drawing data, from the server to the web page, and then open, display.
The drawing data is taken from the server to the web page, and then opened and displayed.
Technical problems
Each cooperation is a high recognition of us, we will do better in the future!