So, how does information get transferred between devices with sequential access and devices with merely direct access, for example?

What is the difference between a system that is strongly connected and one that is not?

Create a process model for the following simple scenario using BPMN. In an online shopping application, the following steps will be followed whenever a customer places a new order. The shop receives an order from a customer to buy a product. The availability of the product will be checked. If the product is available, the order will be shipped to the customer. If the product is not available, a request for the order will be sent to the supplier, then it will be shipped to the customer.

It is often the case that an unknown destination address is used in a flooded frame.