Back طبقة التحكم بالربط المنطقي Arabic Control d'enllaç lògic Catalan Logical Link Control Czech Logical Link Control German Έλεγχος λογικής σύνδεσης (LLC-IEEE 802.2) Greek Control de enlace lógico Spanish کنترل پیوند منطقی Persian LLC Finnish Contrôle de la liaison logique French Logical Link Control Hungarian
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| OSI model by layer |
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In the IEEE 802 reference model of computer networking, the logical link control (LLC) data communication protocol layer is the upper sublayer of the data link layer (layer 2) of the seven-layer OSI model. The LLC sublayer acts as an interface between the medium access control (MAC) sublayer and the network layer.
The LLC sublayer provides multiplexing mechanisms that make it possible for several network protocols (e.g. IP, IPX and DECnet) to coexist within a multipoint network and to be transported over the same network medium. It can also provide flow control and automatic repeat request (ARQ) error management mechanisms.
- ^ "X.225 : Information technology – Open Systems Interconnection – Connection-oriented Session protocol: Protocol specification". Archived from the original on 1 February 2021. Retrieved 10 March 2023.
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