“The underpinnings of Back to My Mac are fairly dense, but interesting, as Apple is mashing up a lot of protocols to punch tunnels through Internet architecture that wasn’t designed to be tunneled through,” Glenn Fleishman reports for Macworld.
MacDailyNews Note: With Mac OS X Leopard’s Back to My Mac, you can connect to any of your Mac computers at home from any Mac on the Internet. Your home computers appear in the Shared section of the sidebar.
“Back to My Mac starts with a .Mac account as the fundamental. The .Mac service becomes the central point for authentication—proving your identity—and for connecting resources located at different locations on the Internet,” Fleishman reports.
This binding puts together lots of pieces, worth picking apart one at a time:
• Port Mapping
• Wide-Area Bonjour
• Dynamic DNS
Full article here.