Frame Relay Provides point to point connections by creating virtual circuit paths. Forwards frames and performs error check only at the end points. X.25 Is designed to operate over unreliable network lines works with the physical, data link and network layers of the OSI model.
X.25: defines communication between DTE and DCE devices. Switched multimegabit data services (SMDS): Is a connectionless protocol and can provide bandwidth for exchange of large amounts of data. A connectionless, high-speed, datagram-based WAN technology for communication over public data networks. Frame Relay: Forwards packets to their destinations and doesn’t unpack frames at each node. Link […]