Editing Data link layer (section)

==Protocol examples==
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* [[ARCnet]]
* [[Asynchronous Transfer Mode|ATM]]
* [[Cisco Discovery Protocol]] (CDP)
* [[Controller Area Network]] (CAN)
* [[Econet]]
* [[Ethernet]]
* [[Ethernet Automatic Protection Switching]] (EAPS)
* [[Fiber Distributed Data Interface]] (FDDI)
* [[Frame Relay]]
* [[High-Level Data Link Control]] (HDLC)
* [[IEEE 802.2]] (provides LLC functions to IEEE 802 MAC layers)
* [[IEEE 802.11]] [[wireless LAN]]
* [[I²C]]
* [[LattisNet]]
* [[Link Layer Discovery Protocol]] (LLDP)
* [[LocalTalk]]
* [[MIL-STD-1553]]
* [[Multiprotocol Label Switching]] (MPLS)
* [[Nortel Discovery Protocol]] (NDP)
* [[Point-to-Point Protocol]] (PPP)
* [[Profibus]]
* [[SpaceWire]]
* Serial Line Internet Protocol ([[Serial Line Internet Protocol|SLIP]]) (obsolete)
* [[Split multi-link trunking]] (SMLT)
* [[IEEE 802.1aq]] - Shortest Path Bridging
* [[Spanning Tree Protocol]]
* [[StarLan]]
* [[Token Ring]]
* [[TRILL]] (Transparent Interconnection of Lots of Links)
* [[UDLD|Unidirectional Link Detection]] (UDLD)
* [[UNI/O]]
* [[1-Wire]]
* and most forms of [[serial communication]] e.g. [[USB]], [[PCI Express]].
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{{see also|Bit-sequence independence}}