Protocols

information between routers so that the routers can select the proper path for traffic. protocols.
 * A set of rules that direct the way computers exchange information.
 * Communication protocols enable communication and execute the functions of one of the OSI layers.
 * At the physical and data link layers of the OSI model LAN protocols define communication over the various LAN media.
 * At the Lowest three layers of the OSI model WAN protocols define communication over the various wide-area media.
 * Routing protocols control the exchange of
 * Network protocols apply to various upper-layer

The most used protocol today is TCP/IP - it is used on the internet and internal networks. Network protocols are defined in official documents by many standards organizations. Ex, IPv4 defines as RFC 791.

edited by Milan Bell EC1636704

edited by Gabor Toth ec1700321

contributed by Wojtek Zbiciak EC 1417123