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/20101206223406/http://www.searchengineoptimising.com/glossary/glossary-of-computer-and-internet-terms/ospe
OSPF (Open Shortest Path First) is a method used by local networks to find the shortest path from one router to another. The only prerequisite is that the network is IP based.