Which IEEE protocol allows Ethernet to operate as a lossless fabric?
A.
Priority-based Flow Control (802.1Qbb)
B.
Enhanced Transmission Selection ( 802.1Qaz)
C.
Bandwidth Demand Circuit (802.1Qax)
D.
Quantized Congestion Control (802.1Qau)
E.
Data Center Bridging Exchange (802.1Qab)
##Priority-based Flow Control (PFC): IEEE 802.1Qbb provides a link level flow control mechanism that can be controlled independently for each frame priority. The goal of this mechanism is to ensure zero loss under congestion in DCB networks.
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Interesting how this explanation is identical to that found in 841 articles on the web. Thanks though!
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