The top layer of the network protocol stack. How to represent that data and how to reach the foreign node are issues for lower layers of the network. A set of calling conventions which define how a service is invoked through a software package. A system to automatically gather, index and serve information on the Internet. The initial implementation of archie provided an indexed directory of filenames from all anonymous FTP archives on the Internet.
Later versions provide other collections of information.
A machine that provides access to a collection of files across the Internet. For example, an anonymous FTP archive site provides access to arcived material via the FTP protocol. WWW servers can also serve as archive sites. If you are developing a protocol or application that will require the use of a link, socket, port, protocol, etc., please contact the IANA to receive a number assignment. A collection of routers under a single administrative authority using a common Interior Gateway Protocol for routing packets.