How Data Travels From a Wireless Device

Illustration for article titled How Data Travels From a Wireless Device

How does that picture you just sent your buddy get from your phone to his computer, exactly? Surprisingly enough, not through pixie dust and unicorn dreams! Here's how it really works.


This infographic from Time Warner Cable shows just how involved the process is, and acts as a good reminder that sending something "wirelessly" actually often involves, well, a whole bunch of wires. [TWC Untangled via Business Insider]


There isn't just one email server, either. They need to separate out Jeff's outbound SMTP connection, MX record lookup, and delivery to Vijay's mailhost.

Representing email delivery as a single box isn't even close to correct, especially if the sender and recipient don't use the same email service provider.