John tackles how the internet works - the most requested topic as voted by Pragmatic listeners in this, the penultimate episode of the show.
With Vic Hudson and John Chidgey.

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Previous Related Episodes:

• Pragmatic Episode 16: One Mans Hopes And Dreams Of An RF Bubble
• Pragmatic Episode 27: Military Software
• Pragmatic Episode 55: Cautiously Concerned

Historical Overviews:

• History of the Internet
• A Brief History of the Internet

Token Rings:

• Token Rings
• How Token Ring Works

OSI and TCP/IP Stacks:

• TCP/IP Protocol Fundamentals
• OSI model

The Physical Layer:

• Ethernet Physical Layer
• Ethernet Over Twisted Pair
• Exponential Backoff
• Twisted Pair

Addressing:

• MAC address
• What are MAC addresses and how are they used?
• Guidelines for Use Organizationally Unique Identifier and Company ID
• IEEE Registration Authority
• IPv6: An Unreachable Wall?
• How ARP Works
• Subnetwork

Intranets and Firewalls:

• Dynamic Host Configuration Protocol
• Private Network
• Address Allocation for Private Internets
• Private network
• Network Address Translation
• I Have a Router, Do I Need a Firewall?
• About the OS X Application Firewall
• Firewalls

Backbones and ISP Backhaul Costs: