802.2

The IEEE Working Group that develops standards for Logical Link Control (LLC), which corre-

sponds to the upper sublayer of the Data Link Layer in the OSI Reference Model. The LLC sublayer is concerned with issues of multiplexing, flow control, and detection and retransmission of dropped frames.

See also Data Link Layer, flow control, IEEE, LLC, multiplexer, and OSI Reference Model.

• single-key encryption
• single-line digital subscriber line (SDSL)
• single-line DSL (SDSL)
• single-mode fiber (SMF)
• single number dialing
• single number dialing
• single number dialing
• Single Point of Termination (SPOT)
• single sideband (SS or SSB)
• sink
• S interface
• sintering
• sinusoidal waveform
• SiO
• SIPO (serial-in, parallel-out)
• SIP (Session Initiation Protocol)
• site–local address
• skills-based routing
• skin effect
• skip
• Skipjack
• skywave
• SLA (Service Level Agreement)
• SLC
• SLC-96 (Subscriber Line Carrier-96)