MRP operates at the data link layer. It is capable of receiving course corrections through a secure data link. This mechanism constitutes multicast at the data link layer. It is also possible to establish a connection using the data link layer. Bangladesh Navy issued a tender for the supply of Technical Data Link (TDL) system. This implies that the throughput often excludes data link layer protocol overhead. The LLC provides addressing and control of the data link. However, these specifications do not include details on the Data Link Layer. VLANs operate at the data link layer of the OSI model. This algorithm is often used in the data link layer. The interface between the Application Entity and the Data Link Layer is called A-interface. Legend-class cutters have increased data link bandwidth. No network services above the data link layer are required for these applications. Broadcast is possible also on the underlying data link layer in Ethernet networks. Current standard practice is to leave the secondary data link pins unused.