Propose a process model for the software development of COVID-19 in which cross functional team (working in short development bursts to regularly produce complete increment of product) is working at...

Propose a process model for the software development of COVID-19 in which cross functional team (working in short development bursts to regularly produce complete increment of product) is working at the same time in the contrast of waterfall process model. Describe the process model for COVID-19 in detail with the help of more than one diagrams.