diff --git a/selected/http_to_phy.md b/selected/http_to_phy.md index 969e76b..54d2754 100644 --- a/selected/http_to_phy.md +++ b/selected/http_to_phy.md @@ -12,11 +12,12 @@ Our packets look like this: ETHERNET > IP > TCP > HTTP ``` [NOTE(cloin): Figure out how to break out this analogy, this makes a useful textual transition] + Relate it to what a USPS facility might be responsible for on a given day, perhaps? -HTTP is the request to Amazon to buy a product? "I want this product sent to my address" -HTML is the contents of the contents of the package you will receive -- the final product itself -TCP is the information USPS uses internally to move the package from facility to facility, until it arrives at your address. Each facility is a proxy. -IP is the SHIPPING LABEL telling USPS where the information should arrive +- HTTP is the request to Amazon to buy a product? "I want this product sent to my address" +- HTML is the contents of the contents of the package you will receive -- the final product itself +- TCP is the information USPS uses internally to move the package from facility to facility, until it arrives at your address. Each facility is a proxy. +- IP is the SHIPPING LABEL telling USPS where the information should arrive ## HTTP -- Where Your Message Lives Browsers use HTTP (Hypertext Transfer Protocol) to communicate with web servers to request and receive web pages, and perform