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[From the last episode: Communications are organized as a stack, with each layer of the stack providing specific to the layers above it.] With the help of stacks, we can understand what’s going on at a high level. But when it comes to detail, there are literally an uncountable number […]

[From the previous episode: we can create a stack that describes how a paper report can get from one office to another.] Last week, we saw a stack describing how we might deliver a paper report to someone in another office. Of course, we’ve invented that stack, just to get […]

[From the previous episode: It takes a lot of participants to get a report from your desk to a colleague’s desk in another city.] In the last blog, we saw how physically delivering an interoffice memo can involve a large number of tasks. And those tasks can be handled independently […]

[From the previous episode: we reviewed what a network is and how messages might travel across it.] We continue here with more basics on how electronic communications work. If it feels like this might be complicated stuff, you’re right. In fact, the whole thing is so complicated that technologists have […]

[From the previous episode: A checklist will help you ask good questions when buying IoT equipment.] Machines communicate over networks. We’re going to talk more about that over time, so we’ll need some language to describe different parts of a computer network. We’ve already talked about some network elements, but […]