Computer Networking › Section A · Computer networks and the internet › Topic A.7
History of networking and the modern internet
The internet was not planned as a single global system. It grew from a research experiment in the late 1960s through decades of design decisions, many of which still shape how every packet travels today. This topic follows that story and ends with the internet as it stands now.
In this topic
- Why the history matters
- The 1960s: inventing packet switching
- ARPANET, 1969
- The 1970s: a network of networks
- Worked example: a design decision and its effects
- The 1980s: TCP/IP takes over
- The 1990s: the web and commercial take-off
- Worked example: is the web the internet?
- Since 2000: broadband, mobile and cloud
- The internet today
- Common mistakes to avoid
- Key takeaways
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