What are the pros and cons of moving an application from AS2 to AS3?

Question

I have a client asking me: "What are the pros and cons when upgrading from AS2 / Flash to AS3 / Flex?" He has problems with performance and maintainability with his application.

I like these questions because I just want to say: “AS3 / Flex will be faster and more convenient to service”, but I know that should be more specific. The application is close to 100,000 lines of code, poorly documented, and the user interface appears to be dynamically generated.

Obviously, upgrading from Flash / AS2 to Flex / AS3 will be expensive, but is it worth it to increase the speed and ease of maintenance? Does anyone know how much this will improve speed and maintainability? Is there something you cannot do in AS3 that you can in AS2? I think no. Are there really important things in AS3 that you cannot do in AS2?

I assume the second half of this question is how do I answer such questions correctly when it comes to customers? If you don’t spend many hours on tens of thousands of lines of code, I’m not sure I can be very accurate.

Thanks!

Answer 1

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Answer 9

I would scale the hardware before looking at updating the application code base (especially if you think it will be difficult to update). It will be faster and cheaper to scale the hardware.