Often a multi-step protocols the pipeline concept is applied. What does this mean? Provide an example, illustrate it pictorially.

You were tasked to handle the urgent delivery of 10TB of data from your company in Washington, D.C to a subsidiary in San Francisco, CA (2,815 miles away). Your company has a dedicated 100 Mbps link to the subsidiary, which can be made available to you. Assuming that cost is not an issue, decide how is the fastest way to deliver the data, through the network, or through an air courier service overnight delivery? Show all your calculations that led to your decision.