DLC Protocol Suite
The Data Link Control (DLC) protocol communicates between personal computers and mainframes (IBM Hosts). The DLC protocol provides services to the Data Link layer of the
OSI reference model. It provides reliable data transfer across each connection on a network. The DLC protocol also defines frames and maintains flow control on the network.
NetBEUI Protocol Suite
NetBEUI stands for NetBIOS Extended User Interface. This protocol extends the functionality of the NetBIOS protocol. The NetBIOS protocol enables the transmission of data within a network. NetBEUI supplements this functionality of NetBIOS by formalizing the format of frames transmitted across the network. NetBEUI is best suited for small LANs because it is a nonroutable protocol that cannot route data packets across LANs.
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