The Internet Archive discovers and captures web pages through many different web crawls.
At any given time several distinct crawls are running, some for months, and some every day or longer.
View the web archive through the Wayback Machine.
Web wide crawl with initial seedlist and crawler configuration from October 2010
TIMESTAMPS
The Wayback Machine - https://web.archive.org/web/20101206224812/http://www.searchengineoptimising.com/glossary/glossary-of-computer-and-internet-terms/ppp
PPP (Point to Point Protocol) is an Internet standard that is used with dial-up connections. It defines how your modem swaps packet data over the Internet with other systems. If you use a dial up Internet connection you will be using PPP.